Updated on 2025/09/21

写真a

 
TANI Akio
 
Organization
Scheduled update Associate Professor
Position
Associate Professor
Homepage
http://www.rib.okayama-u.ac.jp/appl.microb/index-j.html
External link

Degree

  • 博士(農学) ( 京都大学 )

Research Interests

  • Applied Microbiology

  • 応用微生物学

  • Methylotrophs

  • Lanthanide dependent microbial metabolism

Research Areas

  • Life Science / Applied microbiology

Education

  • Kyoto University    

    - 2001

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  • Kyoto University   農学研究科   応用生命科学

    - 2001

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    Country： Japan

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  • Kyoto University    

    - 1997

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  • Kyoto University   農学部   応用生命科学

    - 1997

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    Country： Japan

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Research History

  • -

    2014

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  • - Associate Professor,Institute of Plant Science and Resources,Okayama University

    2014

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  • スイス連邦工科大学チューリッヒ校 研究員

    2012 - 2013

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  • Researcher,ETH Zurich

    2012 - 2013

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  • Okayama University   Institute of Plant Science and Resources

    2004 - 2014

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  • Assistant Professor,Institute of Plant Science and Resources,Okayama University

    2004 - 2014

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Professional Memberships

Committee Memberships

  • 日本生物工学会西日本支部   参与  

    2022.4 - 2023.3   

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    Committee type：Academic society

  •   - The society for Biotechnology, Japan  

    2011   

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  •   - 日本生物工学会 中四国支部 幹事（2011-）  

    2011   

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Papers

  • Duganella hordei sp. nov., Duganella caerulea sp. nov., and Duganella rhizosphaerae sp. nov., isolated from barley rhizosphere Reviewed

    Katsumoto Kishiro, Nurettin Sahin, Daisuke Saisho, Naoki Yamaji, Jun Yamashita, Yuki Monden, Tomoyuki Nakagawa, Keiichi Mochida, Akio Tani

    Antonie van Leeuwenhoek   118 ( 10 )   146   2025.9

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

    Abstract

    Duganella sp. strains R1T, R57T, and R64T, isolated from barley roots in Japan, are Gram-stain-negative, motile, rod-shaped bacteria. Duganella species abundantly colonized barley roots. Strains R1T, R57T, and R64T were capable of growth at 4 °C, suggesting adaptation to colonize winter barley roots. Strains R57T and R64T formed purple colonies, indicating violacein production, while strain R1T did not. Based on 16S rRNA gene sequence similarities, strains R1T, R57T, and R64T were most closely related to D. violaceipulchra HSC-15S17T (99.10%), D. vulcania FT81WT (99.45%), and D. violaceipulchra HSC-15S17T (99.86%), respectively. Their genome sizes ranged from 7.05 to 7.38 Mbp, and their genomic G+C contents were 64.2–64.7%. The average nucleotide identity and digital DNA–DNA hybridization values between R1T and D. violaceipulchra HSC-15S17T, R57T and D. vulcania FT81WT, R64T and D. violaceipulchra HSC-15S17T were 86.0% and 33.2%, 95.7% and 67.9%, and 92.7% and 52.6%, respectively. Their fatty acids were predominantly composed of C16:0, C17:0 cyclo, and summed feature 3 (C16:1 ω7c and/or C16:1 ω6c). Based on their distinct genetic and phenotypic characteristics, and supported by chemotaxonomic analyses, we propose that strains R1T, R57T, and R64T represent novel species within the Duganella genus, for which the names Duganella hordei (type strain R1T = NBRC 115982 T = DSM 115069 T), Duganella caerulea (type strain R57T = NBRC 115983 T = DSM 115070 T), and Duganella rhizosphaerae (type strain R64T = NBRC 115984 T = DSM 115071 T) are proposed.

    DOI： 10.1007/s10482-025-02160-2

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    Other Link： https://link.springer.com/article/10.1007/s10482-025-02160-2/fulltext.html

  • Methylobacterium as a Key Symbiont in Plant-Microbe Interactions: Its Ecological and Agricultural Significance Invited Reviewed

    Cecilia Eugenia María Grossi, Rita María Ulloa, Nurettin Sahin, Akio Tani

    Plant Biotechnology   2025.5

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Japanese Society for Plant Cell and Molecular Biology  

    DOI： 10.5511/plantbiotechnology.25.0309a

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  • Neptunitalea lumnitzerae sp. nov. isolated from the phyllosphere of the mangrove Lumnitzera racemosa Willd. Reviewed

    Nurettin Sahin, Shin Watanabe, Akio Tani

    Antonie van Leeuwenhoek   118 ( 3 )   50   2025.1

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    Authorship：Last author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

    DOI： 10.1007/s10482-025-02062-3

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    Other Link： https://link.springer.com/article/10.1007/s10482-025-02062-3/fulltext.html

  • Methanol chemoreceptor MtpA- and flagellin protein FliC-dependent methylotaxis contributes to the spatial colonization of PPFM in the phyllosphere. Reviewed International journal

    Shiori Katayama, Kosuke Shiraishi, Kanae Kaji, Kazuya Kawabata, Naoki Tamura, Akio Tani, Hiroya Yurimoto, Yasuyoshi Sakai

    ISME communications   5 ( 1 )   ycaf092   2025.1

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    Language：English   Publishing type：Research paper (scientific journal)  

    Pink-pigmented facultative methylotrophs (PPFMs) capable of growth on methanol are dominant and versatile phyllosphere bacteria that provide positive effects on plant growth through symbiosis. However, the spatial behavior of PPFMs on plant surfaces and its molecular basis are unknown. Here, we show that Methylobacterium sp. strain OR01 inoculated onto red perilla seeds colonized across the entire plant surface in the phyllosphere concomitant with the plant growth. During its transmission, strain OR01 was found to be present on the entire leaf surface with a preference to sites around the periphery, vein, trichome, and stomata. We found that methanol-sensing chemoreceptor MtpA-dependent chemotaxis (methylotaxis; chemotaxis toward methanol) and flagellin protein FliC-dependent motility facilitated the bacterial entry into the stomatal cavity and their colonization in the phyllosphere.

    DOI： 10.1093/ismeco/ycaf092

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  • Antibacterial and toxicity studies of phytochemicals from Piper betle leaf extract Reviewed

    Thiti Sonphakdi, Akio Tani, Apirak Payaka, Pakpimol Ungcharoenwiwat

    Journal of King Saud University - Science   36 ( 10 )   103430 - 103430   2024.11

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Scientific Scholar  

    DOI： 10.1016/j.jksus.2024.103430

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  • Plant growth-promoting abilities of Methylobacterium sp. 2A involve auxin-mediated regulation of the root architecture. Reviewed International journal

    Cecilia E M Grossi, Akio Tani, Izumi C Mori, Takakazu Matsuura, Rita M Ulloa

    Plant, Cell & Environment   2024.8

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    Methylobacterium sp. 2A, a plant growth-promoting rhizobacteria (PGPR) able to produce indole-3-acetic acid (IAA), significantly promoted the growth of Arabidopsis thaliana plants in vitro. We aimed to understand the determinants of Methylobacterium sp. 2A-A. thaliana interaction, the factors underlying plant growth-promotion and the host range. Methylobacterium sp. 2A displayed chemotaxis to methanol and formaldehyde and was able to utilise 1-aminocyclopropane carboxylate as a nitrogen source. Confocal microscopy confirmed that fluorescent protein-labelled Methylobacterium sp. 2A colonises the apoplast of A. thaliana primary root cells and its inoculation increased jasmonic and salicylic acid in A. thaliana, while IAA levels remained constant. However, inoculation increased DR5 promoter activity in root tips of A. thaliana and tomato plants. Inoculation of this PGPR partially restored the agravitropic response in yucQ mutants and lateral root density was enhanced in iaa19, arf7, and arf19 mutant seedlings. Furthermore, Methylobacterium sp. 2A volatile organic compounds (VOCs) had a dose-dependent effect on the growth of A. thaliana. This PGPR is also able to interact with monocots eliciting positive responses upon inoculation. Methylobacterium sp. 2A plant growth-promoting effects can be achieved through the regulation of plant hormone levels and the emission of VOCs that act either locally or at a distance.

    DOI： 10.1111/pce.15116

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  • Metabolism-linked methylotaxis sensors responsible for plant colonization in Methylobacterium aquaticum strain 22A. Reviewed International journal

    Akio Tani, Sachiko Masuda, Yoshiko Fujitani, Toshiki Iga, Yuuki Haruna, Shiho Kikuchi, Wang Shuaile, Haoxin Lv, Shiori Katayama, Hiroya Yurimoto, Yasuyoshi Sakai, Junichi Kato

    Frontiers in microbiology   14   1258452 - 1258452   2023

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    Motile bacteria take a competitive advantage in colonization of plant surfaces to establish beneficial associations that eventually support plant health. Plant exudates serve not only as primary growth substrates for bacteria but also as bacterial chemotaxis attractants. A number of plant-derived compounds and corresponding chemotaxis sensors have been documented, however, the sensors for methanol, one of the major volatile compounds released by plants, have not been identified. Methylobacterium species are ubiquitous plant surface-symbiotic, methylotrophic bacteria. A plant-growth promoting bacterium, M. aquaticum strain 22A exhibits chemotaxis toward methanol (methylotaxis). Its genome encodes 52 methyl-accepting chemotaxis proteins (MCPs), among which we identified three MCPs (methylotaxis proteins, MtpA, MtpB, and MtpC) responsible for methylotaxis. The triple gene mutant of the MCPs exhibited no methylotaxis, slower gathering to plant tissues, and less efficient colonization on plants than the wild type, suggesting that the methylotaxis mediates initiation of plant-Methylobacterium symbiosis and engages in proliferation on plants. To examine how these MCPs are operating methylotaxis, we generated multiple gene knockouts of the MCPs, and Ca2+-dependent MxaFI and lanthanide (Ln3+)-dependent XoxF methanol dehydrogenases (MDHs), whose expression is regulated by the presence of Ln3+. MtpA was found to be a cytosolic sensor that conducts formaldehyde taxis (formtaxis), as well as methylotaxis when MDHs generate formaldehyde. MtpB contained a dCache domain and exhibited differential cellular localization in response to La3+. MtpB expression was induced by La3+, and its activity required XoxF1. MtpC exhibited typical cell pole localization, required MxaFI activity, and was regulated under MxbDM that is also required for MxaF expression. Strain 22A methylotaxis is realized by three independent MCPs, two of which monitor methanol oxidation by Ln3+-regulated MDHs, and one of which monitors the common methanol oxidation product, formaldehyde. We propose that methanol metabolism-linked chemotaxis is the key factor for the efficient colonization of Methylobacterium on plants.

    DOI： 10.3389/fmicb.2023.1258452

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  • Siderophore for Lanthanide and Iron Uptake for Methylotrophy and Plant Growth Promotion in Methylobacterium aquaticum Strain 22A Reviewed

    Patrick Otieno Juma, Yoshiko Fujitani, Ola Alessa, Tokitaka Oyama, Hiroya Yurimoto, Yasuyoshi Sakai, Akio Tani

    Frontiers in Microbiology   13   921635   2022.7

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    Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Frontiers Media SA  

    Methylobacterium and Methylorubrum species are facultative methylotrophic bacteria that are abundant in the plant phyllosphere. They have two methanol dehydrogenases, MxaF and XoxF, which are dependent on either calcium or lanthanides (Lns), respectively. Lns exist as insoluble minerals in nature, and their solubilization and uptake require a siderophore-like substance (lanthanophore). Methylobacterium species have also been identified as plant growth-promoting bacteria although the actual mechanism has not been well-investigated. This study aimed to reveal the roles of siderophore in Methylobacterium aquaticum strain 22A in Ln uptake, bacterial physiology, and plant growth promotion. The strain 22A genome contains an eight-gene cluster encoding the staphyloferrin B-like (sbn) siderophore. We demonstrate that the sbn siderophore gene cluster is necessary for growth under low iron conditions and was complemented by supplementation with citrate or spent medium of the wild type or other strains of the genera. The siderophore exhibited adaptive features, including tolerance to oxidative and nitrosative stress, biofilm formation, and heavy metal sequestration. The contribution of the siderophore to plant growth was shown by the repressive growth of duckweed treated with siderophore mutant under iron-limited conditions; however, the siderophore was dispensable for strain 22A to colonize the phyllosphere. Importantly, the siderophore mutant could not grow on methanol, but the siderophore could solubilize insoluble Ln oxide, suggesting its critical role in methylotrophy. We also identified TonB-dependent receptors (TBDRs) for the siderophore–iron complex, iron citrate, and Ln, among 12 TBDRs in strain 22A. Analysis of the siderophore synthesis gene clusters and TBDR genes in Methylobacterium genomes revealed the existence of diverse types of siderophores and TBDRs. Methylorubrum species have an exclusive TBDR for Ln uptake that has been identified as LutH. Collectively, the results of this study provide insight into the importance of the sbn siderophore in Ln chelation, bacterial physiology, and the diversity of siderophore and TBDRs in Methylobacterium species.

    DOI： 10.3389/fmicb.2022.921635

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  • A Periplasmic Lanthanide Mediator, Lanmodulin, in Methylobacterium aquaticum Strain 22A Reviewed

    Yoshiko Fujitani, Takeshi Shibata, Akio Tani

    Frontiers in Microbiology   13   921636   2022.6

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    Methylobacterium and Methylorubrum species oxidize methanol via pyrroloquinoline quinone-methanol dehydrogenases (MDHs). MDHs can be classified into two major groups, Ca2+-dependent MDH (MxaF) and lanthanide (Ln3+)-dependent MDH (XoxF), whose expression is regulated by the availability of Ln3+. A set of a siderophore, TonB-dependent receptor, and an ABC transporter that resembles the machinery for iron uptake is involved in the solubilization and transport of Ln3+. The transport of Ln3+ into the cytosol enhances XoxF expression. A unique protein named lanmodulin from Methylorubrum extorquens strain AM1 was identified as a specific Ln3+-binding protein, and its biological function was implicated to be an Ln3+ shuttle in the periplasm. In contrast, it remains unclear how Ln3+ levels in the cells are maintained, because Ln3+ is potentially deleterious to cellular systems due to its strong affinity to phosphate ions. In this study, we investigated the function of a lanmodulin homolog in Methylobacterium aquaticum strain 22A. The expression of a gene encoding lanmodulin (lanM) was induced in response to the presence of La3+. A recombinant LanM underwent conformational change upon La3+ binding. Phenotypic analyses on lanM deletion mutant and overexpressing strains showed that LanM is not necessary for the wild-type and XoxF-dependent mutant’s methylotrophic growth. We found that lanM expression was regulated by MxcQE (a two-component regulator for MxaF) and TonB_Ln (a TonB-dependent receptor for Ln3+). The expression level of mxcQE was altered to be negatively dependent on Ln3+ concentration in ∆lanM, whereas it was constant in the wild type. Furthermore, when exposed to La3+, ∆lanM showed an aggregating phenotype, cell membrane impairment, La deposition in the periplasm evidenced by electron microscopy, differential expression of proteins involved in membrane integrity and phosphate starvation, and possibly lower La content in the membrane vesicle (MV) fractions. Taken together, we concluded that lanmodulin is involved in the complex regulation mechanism of MDHs and homeostasis of cellular Ln levels by facilitating transport and MV-mediated excretion.

    DOI： 10.3389/fmicb.2022.921636

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  • The Antifungal Activity of Cinnamon-Litsea Combined Essential Oil against Dominant Fungal Strains of Moldy Peanut Kernels Reviewed

    Yijun Liu, Ruolan Wang, Lingli Zhao, Shanshan Huo, Shichang Liu, Hanxiao Zhang, Akio Tani, Haoxin Lv

    Foods   11 ( 11 )   1586 - 1586   2022.5

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    The antifungal activity of cinnamon (Cinnamomum cassia Presl), litsea [Litsea cubeba (Lour.) Pers.], clove (Syzygium aromaticum L.), thyme (Thymus mongolicus Ronn.) and citronella (Cymbopogon winterianus Jowitt) essential oils (EOs) against the dominant fungi isolated from moldy peanuts was investigated in this research. Firstly, strain YQM was isolated and identified by morphological characterization and 18S rRNA gene sequence analysis to be Aspergillus flavus (A. flavus). Next, antifungal effects of single or mixed EOs on strain YQM were evaluated by the inhibition zone test. The cinnamon-litsea combined essential oil (CLCEO, Vcinnamon oil:Vlitsea oil = 3:5) displayed the best antifungal effect on strain YQM. The chemical composition of CLCEO was identified and quantified by gas chromatograph-mass spectrometry (GC-MS), and results revealed that the major components of CLCEO were cinnamaldehyde and citral. Finally, the effect of EOs on the microstructure of strain YQM mycelia was observed under scanning electron microscope (SEM). The mycelia exposed to cinnamon essential oil (CEO) and litsea essential oil (LEO) were partly deformed and collapsed, while the mycelia treated with CLCEO were seriously damaged and the deformation phenomena such as shrinking, shriveling and sinking occurred. Therefore, CLCEO has great potential for using as anti-mildew agents during peanut storage.

    DOI： 10.3390/foods11111586

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  • Survival and stability of Lactobacillus plantarum <scp>KJ03</scp> as a freeze‐dried autochthonous starter culture for application in stink bean fermentation ( Sataw‐Dong ) Reviewed

    Aem Nuylert, Krittanon Jampaphaeng, Akio Tani, Suppasil Maneerat

    Journal of Food Processing and Preservation   46 ( 3 )   e16367   2022.3

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Wiley  

    DOI： 10.1111/jfpp.16367

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    Other Link： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/jfpp.16367

  • Comprehensive Comparative Genomics and Phenotyping of Methylobacterium Species. Reviewed International journal

    Ola Alessa, Yoshitoshi Ogura, Yoshiko Fujitani, Hideto Takami, Tetsuya Hayashi, Nurettin Sahin, Akio Tani

    Frontiers in microbiology   12   740610 - 740610   2021

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    DOI： 10.3389/fmicb.2021.740610

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  • Discovery of lanthanide-dependent methylotrophy and screening methods for lanthanide-dependent methylotrophs. International journal

    Akio Tani, Ryoji Mitsui, Tomoyuki Nakagawa

    Methods in enzymology   650   1 - 18   2021

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    Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/bs.mie.2021.01.031

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  • Methanol bioeconomy: promotion of rice crop yield in paddy fields with microbial cells prepared from natural gas-derived C1 compound. Reviewed International journal

    Hiroya Yurimoto, Hiroyuki Iguchi, Do Thi Di Thien, Akio Tani, Yutaka Okumoto, Atsushi Ota, Takahiro Yamauchi, Takahiro Akashi, Yasuyoshi Sakai

    Microbial biotechnology   14 ( 4 )   1385 - 1396   2020.12

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    DOI： 10.1111/1751-7915.13725

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  • Plant growth-promoting bacteria as potential bio-inoculants and biocontrol agents to promote black pepper plant cultivation. Reviewed International journal

    Ee Tiing Lau, Akio Tani, Choy Yuen Khew, Yee Qin Chua, Siaw San Hwang

    Microbiological research   240   126549 - 126549   2020.11

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.micres.2020.126549

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  • Regulation of lanthanide-dependent methanol oxidation pathway in the legume symbiotic nitrogen-fixing bacterium Bradyrhizobium sp. strain Ce-3. Reviewed

    Viagian Pastawan, Soya Suganuma, Kosuke Mizuno, Lun Wang, Akio Tani, Ryoji Mitsui, Kohei Nakamura, Masaya Shimada, Takashi Hayakawa, Nanung Agus Fitriyanto, Tomoyuki Nakagawa

    Journal of bioscience and bioengineering   130 ( 6 )   582 - 587   2020.8

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    DOI： 10.1016/j.jbiosc.2020.07.012

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  • The Presence of the Hairy-Root-Disease-Inducing (Ri) Plasmid in Wheat Endophytic Rhizobia Explains a Pathogen Reservoir Function of Healthy Resistant Plants. Reviewed International journal

    Byoungwoo Kang, Taichi Maeshige, Aya Okamoto, Yui Kataoka, Shinji Yamamoto, Kazuhide Rikiishi, Akio Tani, Hiroyuki Sawada, Katsunori Suzuki

    Applied and environmental microbiology   86 ( 17 )   2020.8

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    DOI： 10.1128/AEM.00671-20

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  • Lanthanide-Dependent Methanol and Formaldehyde Oxidation in Methylobacterium aquaticum Strain 22A Reviewed International journal

    Patcha Yanpirat, Yukari Nakatsuji, Shota Hiraga, Yoshiko Fujitani, Terumi Izumi, Sachiko Masuda, Ryoji Mitsui, Tomoyuki Nakagawa, Akio Tani

    Microorganisms   8 ( 6 )   822 - 822   2020.5

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    DOI： 10.3390/microorganisms8060822

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  • Preference for particular lanthanide species and thermal stability of XoxFs in Methylorubrum extorquens strain AM1 Reviewed International journal

    Lun Wang, Ayumi Hibino, Souya Suganuma, Akio Ebihara, Satoshi Iwamoto, Ryoji Mitsui, Akio Tani, Masaya Shimada, Takashi Hayakawa, Tomoyuki Nakagawa

    Enzyme and Microbial Technology   136   109518 - 109518   2020.5

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.enzmictec.2020.109518

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  • Methylotenera oryzisoli sp. nov., a lanthanide-dependent methylotrophic bacteria isolated from rice field soil. Reviewed International journal

    Haoxin Lv, Nurettin Sahin, Akio Tani

    International journal of systematic and evolutionary microbiology   70 ( 4 )   2713 - 2718   2020.4

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    DOI： 10.1099/ijsem.0.004098

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  • Isolation and Characterization of Genes Responsible for Naphthalene Degradation from Thermophilic Naphthalene Degrader, Geobacillus sp. JF8. Reviewed International journal

    Daisuke Miyazawa, Le Thi Ha Thanh, Akio Tani, Masaki Shintani, Nguyen Hoang Loc, Takashi Hatta, Kazuhide Kimbara

    Microorganisms   8 ( 1 )   2019.12

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    DOI： 10.3390/microorganisms8010044

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  • Lanthanide-dependent methanol dehydrogenase from the legume symbiotic nitrogen-fixing bacterium Bradyrhizobium diazoefficiens strain USDA110 Reviewed International journal

    Lun Wang, Soya Suganuma, Ayumi Hibino, Ryoji Mitsui, Akio Tani, Takashi Matsumoto, Akio Ebihara, Nanung Agus Fitriyanto, Ambar Pertiwiningrum, Masaya Shimada, Takashi Hayakawa, Tomoyuki Nakagawa

    Enzyme and Microbial Technology   130   109371 - 109371   2019.11

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    DOI： 10.1016/j.enzmictec.2019.109371

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  • Bacteria with natural chemotaxis towards methanol revealed by chemotaxis fishing technique. Reviewed International journal

    Yosef Hamba Tola, Yoshiko Fujitani, Akio Tani

    Bioscience, biotechnology, and biochemistry   83 ( 11 )   2163 - 2171   2019.11

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    Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1080/09168451.2019.1637715

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  • Brown planthopper honeydew-associated symbiotic microbes elicit momilactones in rice Reviewed International journal

    Wari David, Alamgir Kabir Md, Mujiono Kadis, Hojo Yuko, Tani Akio, Shinya Tomonori, Nakatani Hiroko, Galis Ivan

    PLANT SIGNALING & BEHAVIOR   14 ( 11 )   1655335 - 1655335   2019.8

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    DOI： 10.1080/15592324.2019.1655335

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  • Honeydew-associated microbes elicit defense responses against brown planthopper in rice. Reviewed International journal

    David Wari, Md Alamgir Kabir, Kadis Mujiono, Yuko Hojo, Tomonori Shinya, Akio Tani, Hiroko Nakatani, Ivan Galis

    Journal of experimental botany   70 ( 5 )   1683 - 1696   2019.3

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    DOI： 10.1093/jxb/erz041

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    Other Link： http://orcid.org/0000-0001-9840-8845

  • Distribution of 1-aminocyclopropane-1-carboxylate deaminase and d-cysteine desulfhydrase genes among type species of the genus Methylobacterium Reviewed International journal

    Galina A. Ekimova, Dmitry N. Fedorov, Akio Tani, Nina V. Doronina, Yuri A. Trotsenko

    Antonie van Leeuwenhoek, International Journal of General and Molecular Microbiology   111 ( 10 )   1 - 12   2018.3

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s10482-018-1061-5

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  • Isolation and genomic characterization of Novimethylophilus kurashikiensis gen. nov. sp. nov., a new lanthanide-dependent methylotrophic species of Methylophilaceae Reviewed International journal

    Haoxin Lv, Nurettin Sahin, Akio Tani

    Environmental Microbiology   20 ( 3 )   1204 - 1223   2018.3

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1111/1462-2920.14062

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  • Lanthanide-dependent regulation of methylotrophy in Methylobacterium aquaticum strain 22A Reviewed

    Sachiko Masuda, Yutaka Suzuki, Yoshiko Fujitani, Ryoji Mitsui, Tomoyuki Nakagawa, Masaki Shintani, Akio Tani

    mSphere   3 ( 1 )   2018.1

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1128/mSphere.00462-17

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  • Ergothioneine production using Methylobacterium species, yeast, and fungi Reviewed

    Yoshiko Fujitani, Kabir Md Alamgir, Akio Tani

    Journal of Bioscience and Bioengineering   126 ( 6 )   715 - 722   2018

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    Language：English   Publishing type：Research paper (scientific journal)  

    DOI： 10.1016/j.jbiosc.2018.05.021

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  • Genomic characterization of methylotrophy of Oharaeibacter diazotrophicus strain SM30T Reviewed

    Haoxin Lv, Akio Tani

    Journal of Bioscience and Bioengineering   126 ( 6 )   667 - 675   2018

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    DOI： 10.1016/j.jbiosc.2018.05.023

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  • Oharaeibacter diazotrophicus gen. nov., sp nov., a diazotrophic and facultatively methylotrophic bacterium, isolated from rice rhizosphere Reviewed International journal

    Haoxin Lv, Sachiko Masuda, Yoshiko Fujitani, Nurettin Sahin, Akio Tani

    INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY   67 ( 3 )   576 - 582   2017.3

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    DOI： 10.1099/ijsem.0.001660

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  • A capsidless ssRNA virus hosted by an unrelated dsRNA virus Reviewed International journal

    Rui Zhang, Sakae Hisano, Akio Tani, Hideki Kondo, Satoko Kanematsu, Nobuhiro Suzuki

    NATURE MICROBIOLOGY   1 ( 1 )   15001 - 15001   2016.1

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    DOI： 10.1038/NMICROBIOL.2015.1

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  • レアアースを必須因子として要求する新たな代謝系 植物共生細菌たちがもつレアアース依存型C1代謝

    中川智行, 三井亮司, 谷明生, 河合啓一

    化学と生物   53 ( 11 )   744 - 750   2015.10

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    DOI： 10.1271/kagakutoseibutsu.53.744

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  • Production of ergothioneine by Methylobacterium species Reviewed International journal

    Kabir M. Alamgir, Sachiko Masuda, Yoshiko Fujitani, Fumio Fukuda, Akio Tani

    FRONTIERS IN MICROBIOLOGY   6   1185 - 1185   2015.10

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    DOI： 10.3389/fmicb.2015.01185

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  • Physical, biochemical and genetic characterization of enterocin CE5-1 produced by enterococcus faecium CE5-1 isolated from Thai indigenous chicken intestinal tract

    Kraiyot Saelim, Sireewan Kaewsuwan, Akio Tani, Suppasil Maneerat

    Songklanakarin Journal of Science and Technology   37 ( 3 )   299 - 307   2015.5

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  • Bacterial-biota dynamics of eight bryophyte species from different ecosystems Reviewed International journal

    Faisal Hammad Mekky Koua, Kazuhide Kimbara, Akio Tani

    SAUDI JOURNAL OF BIOLOGICAL SCIENCES   22 ( 2 )   204 - 210   2015.3

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    DOI： 10.1016/j.sjbs.2014.07.009

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  • Complete Genome Sequence of Methylobacterium aquaticum Strain 22A, Isolated from Racomitrium japonicum Moss

    Akio Tani, Yoshitoshi Ogura, Tetsuya Hayashi, Kazuhide Kimbara

    MICROBIOLOGY RESOURCE ANNOUNCEMENTS   3 ( 2 )   2015.3

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    DOI： 10.1128/genomeA.00266-15

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  • Methylobacterium Species Promoting Rice and Barley Growth and Interaction Specificity Revealed with Whole-Cell Matrix-Assisted Laser Desorption/Ionization-Time-of-Flight Mass Spectrometry (MALDI-TOF/MS) Analysis. Reviewed International journal

    Akio Tani, Nurettin Sahin, Yoshiko Fujitani, Akiko Kato, Kazuhiro Sato, Kazuhide Kimbara

    PloS one   10 ( 6 )   e0129509   2015

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    DOI： 10.1371/journal.pone.0129509

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  • Proteome analysis of acrylamide-induced proteins in a novel acrylamide-degrader Enterobacter aerogenes by 2D electrophoresis and MALDI-TOF-MS Reviewed

    Jittima Charoenpanich, Akio Tani

    Chiang Mai University Journal of Natural Sciences   13 ( 1 )   11 - 22   2014.1

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    DOI： 10.12982/cmujns.2014.0016

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  • Dominant Colonization and Inheritance of Methylobacterium sp Strain OR01 on Perilla Plants Reviewed International journal

    Masayuki Mizuno, Hiroya Yurimoto, Hiroyuki Iguchi, Akio Tani, Yasuyoshi Sakai

    BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY   77 ( 7 )   1533 - 1538   2013.7

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    DOI： 10.1271/bbb.130207

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  • Assessment of change in biofilm architecture by nutrient concentration using a multichannel microdevice flow system Reviewed

    Zoe Sanchez, Akio Tani, Nobuhiro Suzuki, Reiko Kariyama, Hiromi Kumon, Kazuhide Kimbara

    JOURNAL OF BIOSCIENCE AND BIOENGINEERING   115 ( 3 )   326 - 331   2013.3

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    DOI： 10.1016/j.jbiosc.2012.09.018

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  • Extensive Reduction of Cell Viability and Enhanced Matrix Production in Pseudomonas aeruginosa PAO1 Flow Biofilms Treated with a D-Amino Acid Mixture Reviewed International journal

    Zoe Sanchez, Akio Tani, Kazuhide Kimbara

    APPLIED AND ENVIRONMENTAL MICROBIOLOGY   79 ( 4 )   1396 - 1399   2013.2

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    DOI： 10.1128/AEM.02911-12

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  • Methylobacterium haplocladii sp. nov. and Methylobacterium brachythecii sp. nov., isolated from bryophytes Reviewed International journal

    Akio Tani, Nurettin Sahin

    International Journal of Systematic and Evolutionary Microbiology   63 ( 9 )   3287 - 3292   2013

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    DOI： 10.1099/ijs.0.048215-0

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  • Evaluation of rhizosphere, rhizoplane and phyllosphere bacteria and fungi isolated from rice in Kenya for plant growth promoters Reviewed International journal

    Mwashasha Rashid Mwajita, Hunja Murage, Akio Tani, Esther M. Kahangi

    SpringerPlus   2 ( 1 )   1 - 9   2013

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    DOI： 10.1186/2193-1801-2-606

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  • Mangrove sediment, a new source of potential biosurfactant-producing bacteria Reviewed

    Atipan Saimmai, Akio Tani, Vorasan Sobhon, Suppasil Maneerat

    ANNALS OF MICROBIOLOGY   62 ( 4 )   1669 - 1679   2012.12

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    DOI： 10.1007/s13213-012-0424-9

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  • Methylobacterium gnaphalii sp nov., isolated from leaves of Gnaphalium spicatum Reviewed International journal

    Akio Tani, Nurettin Sahin, Kazuhide Kimbara

    INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY   62 ( Pt 11 )   2602 - 2607   2012.11

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    DOI： 10.1099/ijs.0.037713-0

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  • Isolation and characterization of Kluyvera georgiana strain with the potential for acrylamide biodegradation Reviewed International journal

    Uthumporn Thanyacharoen, Akio Tani, Jittima Charoenpanich

    JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING   47 ( 11 )   1491 - 1499   2012

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    DOI： 10.1080/10934529.2012.680312

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  • Isolation and screening of lactic acid bacteria from Thai traditional fermented fish (Plasom) and production of Plasom from selected strains Reviewed

    Noraphat Hwanhlem, Subaidah Buradaleng, Saowakon Wattanachant, Soottawat Benjakul, Akio Tani, Suppasil Maneerat

    FOOD CONTROL   22 ( 3-4 )   401 - 407   2011.3

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    DOI： 10.1016/j.foodcont.2010.09.010

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  • Rapid and multiple in situ identification and analyses of physiological status of specific bacteria based on fluorescent in situ hybridization Reviewed

    Xian Zhang, Akio Tani, Fusako Kawai, Kazuhide Kimbara

    JOURNAL OF BIOSCIENCE AND BIOENGINEERING   110 ( 6 )   716 - 719   2010.12

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    DOI： 10.1016/j.jbiosc.2010.07.004

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  • MALDI-TOF/MSを利用した新しい菌株同定技術とその応用 : 迅速・簡単が魅力. 従来の分類指標との相関は?

    谷 明生

    化学と生物   48 ( 9 )   598 - 601   2010.9

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    DOI： 10.1271/kagakutoseibutsu.48.598

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  • Transcription factor Stb5p is essential for acetaldehyde tolerance in Saccharomyces cerevisiae Reviewed International journal

    Yoshimi Matsufuji, Tomoyuki Nakagawa, Shuki Fujimura, Akio Tani, Junichi Nakagawa

    JOURNAL OF BASIC MICROBIOLOGY   50 ( 5 )   494 - 498   2010.9

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    DOI： 10.1002/jobm.200900391

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  • A Bacterial Biosensor for Oxidative Stress Using the Constitutively Expressed Redox-Sensitive Protein roGFP2 Reviewed International journal

    Carlos R. Arias-Barreiro, Keisuke Okazaki, Apostolos Koutsaftis, Salmaan H. Inayat-Hussain, Akio Tani, Maki Katsuhara, Kazuhide Kimbara, Izumi C. Mori

    SENSORS   10 ( 7 )   6290 - 6306   2010.7

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    DOI： 10.3390/s100706290

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  • Flow cytometry-based method for isolating live bacteria with meta-cleavage activity on dihydroxy compounds of biphenyl Reviewed

    Sou Iijima, Yumi Shimomura, Yousuke Haba, Fusako Kawai, Akio Tani, Kazuhide Kimbara

    JOURNAL OF BIOSCIENCE AND BIOENGINEERING   109 ( 6 )   645 - 651   2010.6

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    DOI： 10.1016/j.jbiosc.2009.11.023

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  • Identification of the PEG-induced proteins by 2D-gel electrophoresis and mass spectrometry in Sphingopyxis macrogoltabida strain 103

    Jittima Charoenpanich, Akio Tani, Fusako Kawai

    Chiang Mai University Journal of Natural Sciences   9 ( 1 )   111 - 124   2010.1

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  • Significance of fatal head injuries associated with subependymal hemorrhage at the anterior horns of lateral ventricles Reviewed International journal

    Naohito Kuroda, Sohtaro Mimasaka, Takeshi Kita, Akio Tani

    Legal Medicine   11 ( 1 )   S180 - S181   2009.4

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    DOI： 10.1016/j.legalmed.2009.02.061

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  • The crucial role of mitochondrial regulation in adaptive aluminium resistance in Rhodotorula glutinis Reviewed International journal

    Akio Tani, Chiemi Inoue, Yoko Tanaka, Yoko Yamamoto, Hideki Kondo, Syuntaro Hiradate, Kazuhide Kimbara, Fusako Kawai

    MICROBIOLOGY-SGM   154 ( Pt 11 )   3437 - 3446   2008.11

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    DOI： 10.1099/mic.0.2007/016048-0

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  • Proposed oxidative metabolic pathway for polypropylene glycol in Sphingobium sp strain PW-1 Reviewed International journal

    Xiaoping Hu, Xin Liu, Akio Tani, Kazuhide Kimbara, Fusako Kawai

    BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY   72 ( 4 )   1115 - 1118   2008.4

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    DOI： 10.1271/bbb.70749

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  • Structure and conservation of a polyethylene glycol-degradative operon in sphingomonads Reviewed International journal

    Akio Tani, Jittima Charoenpanich, Terumi Mori, Mayuko Takeichi, Kazuhide Kimbara, Fusako Kawai

    MICROBIOLOGY-SGM   153 ( Pt 2 )   338 - 346   2007.2

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    DOI： 10.1099/mic.0.2006/000992-0

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  • Cloning and expression of the gene for periplasmic poly(vinyl alcohol) dehydrogenase from Sphingomonas sp strain 113P3, a novel-type quinohaemoprotein alcohol dehydrogenase Reviewed International journal

    Rie Hirota-Mamoto, Ryoko Nagai, Shinjiro Tachibana, Masaaki Yasuda, Akio Tani, Kazuhide Kimbara, Fusako Kawai

    MICROBIOLOGY-SGM   152 ( Pt 7 )   1941 - 1949   2006.7

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    DOI： 10.1099/mic.0.28848-0

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  • Analysis of amino acid residues involved in catalysis of polyethylene glycol dehydrogenase from Sphingopyxis terrae, using three-dimensional molecular modeling-based kinetic characterization of mutants Reviewed International journal

    T Ohta, T Kawabata, K Nishikawa, A Tani, K Kimbara, F Kawai

    APPLIED AND ENVIRONMENTAL MICROBIOLOGY   72 ( 6 )   4388 - 4396   2006.6

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    DOI： 10.1128/AEM.02174-05

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  • Organization and expression of the genes involved in the metabolism of polyethylene glycol and poly(1vinyl alcohol)

    Fusako Kawai, Akio Tani, Kazuhide Kimbara

    ACS Symposium Series   939   367 - 383   2006

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  • Biochemical and molecular characterization of a periplasmic hydrolase for oxidized polyvinyl alcohol from Sphingomonas sp strain 113P3 Reviewed International journal

    W Klomklang, A Tani, K Kimbara, R Mamoto, T Ueda, M Shimao, F Kawai

    MICROBIOLOGY-SGM   151 ( Pt 4 )   1255 - 1262   2005.4

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    DOI： 10.1099/mic.0.27655-0

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  • Thermostable NADP+-Dependent Medium-Chain Alcohol Dehydrogenase from Acinetobacter sp. Strain M-1: Purification an Characterization and Gene Expression in Escherichia coli

    Akio Tani, Yasuyoshi Sakai, Takeru Ishige, Nobuo Kato

    Cancer Research   49 ( 21 )   5810 - 5815   1989.11

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Books

  • Lanthanides in Enzymology and Microbiology International journal

    Akio TANI, Ryoji MITSUI, and Tomoyuki NAKAGAWA（ Role： Joint editor ,  Editor）

    Elsevier  2024.11  （ ISBN:9780443133077 ）

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    Lanthanides in Enzymology and Microbiology, a new volume in the Foundations and Frontiers in Enzymology Series, offers a detailed discussion of lanthanides and lanthanide-dependent enzyme biology. In this book, more than a dozen global experts consider lanthanide enzymology fundamentals, organismal utilization of lanthanides, distribution and diversity of lanthanide-dependent enzymes, regulation of intracellular levels of lanthanides, gene expression regulation via lanthanides, as well as likely applications of lanthanide binding proteins. Lanthanide-dependent methanol and alcohol dehydrogenase metabolism are considered in both methylotrophs and non-methylotrophs, alongside various application areas, from recovery of rare earth elements to developing lanthanide ion binding peptides and biosynthesis of terpolymers through reverse-oxidation pathways. In providing this deep context and pathways for future research, this book acts as an invaluable resource in this emerging field for researchers and students of biochemistry, biotechnology, and environmental microbiology alike.

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  • Lanthanides in Enzymology and Microbiology

    Akio TANI（ Role： Contributor ,  Chapter I, Lanthanide utilization by organisms: An overview）

    Elsevier  2024.11 

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  • Discovery of lanthanide-dependent methylotrophy and screening methods for lanthanide-dependent methylotrophs.

    Tani A., Mitsui R., Nakagawa T.（ Role： Contributor ,  1Chapter）

    Meth. Enzymol. 2021;650:1-18.   2021.2 

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    Total pages：18   Responsible for pages：18   Language：English Book type：Scholarly book

    The lanthanide elements (Lns) affect the physiology and growth of certain microorganisms known as “Ln-responsive microorganisms.” Among them, in 2011, it was first reported that strains of Methylobacterium exhibited high methanol dehydrogenase (MDH) activity when grown in the presence of Lns; the purified Ln-inducible MDH was identified as XoxF-type MDH, whose catalytic function had previously been unknown. XoxF was the first enzyme to be identified as Ln-dependent, and its function in methylotrophy is more fundamental and important than that of the corresponding Ca2 +-dependent MDH MxaFI. XoxF is encoded in the genomes of methylotrophic as well as non-methylotrophic bacteria. Thus, Lns are among the most fascinating and important growth factors for bacteria that potentially utilize methanol. Bacteria that require Lns for methanol growth are called “Ln-dependent methylotrophs.” Recent findings indicate that these microorganisms comprise an “Ln-dependent ecosystem” that we have not been able to reconstruct under laboratory conditions without Lns. In this chapter, we summarize methods for (1) screening of Ln-responsive microorganisms, (2) purification of native XoxFs from Ln-dependent methylotrophs, and (3) screening of Ln-dependent methylotrophs from natural environments, while providing a history of the discovery of the Ln-dependent methylotrophs.

    DOI： doi:10.1016/bs.mie.2021.01.031.

  • Degradable polymers and materials

    ACS  2006 

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Presentations

  • 植物共生メチロトローフ細菌 Methylorubrum extorquens AM1 のメタノールデヒド ロゲナーゼアイソザイムの発現制御に関わる二成分制御系の解析

    高橋莉史，矢野嵩典，谷明生，中川智行，三井亮司

    日本生物工学会西日本支部大会2022  2022.11.26  日本生物工学会

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    Event date： 2022.11.26

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知   Country：Japan  

  • オオムギ根内生微生物の同定と役割の解明

    木代 勝元、最相 大輔、山下 純、山地 直樹、山本 敏央、門田 有希、持田 恵一、中川 智行、谷 明生

    日本微生物生態学会　第35回大会  2022.11.1  日本微生物生態学会

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    Event date： 2022.10.31 - 2022.11.3

    Language：Japanese   Presentation type：Poster presentation  

    Venue：札幌   Country：Japan  

  • ランタノイド依存型C1細菌の植物共生と生育促進技術への応用

    久田健司、野村颯人、根本侑知、水野洸介、三井亮司、谷明生、井口博之、清水将文、島田昌也、中川智行

    日本生物工学会 　第74回大会　  2022.10.18 

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    Event date： 2022.10.17 - 2022.10.20

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  • オオムギの生育促進細菌の発見と応用 Invited

    谷 明生

    JST新技術説明会  2022.9.29  JST

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    Event date： 2022.9.29

    Language：Japanese   Presentation type：Symposium, workshop panel (nominated)  

    Venue：オンライン   Country：Japan  

  • 二毛作体系における栽培環境がオオムギ栽培に与える影響

    最相大輔、木代 勝元、山地直樹、谷 明生

    日本育種学会　第142回講演会  2022.9.24 

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    Event date： 2022.9.23 - 2022.9.25

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：帯広畜産大学   Country：Japan  

  • Role of a siderophore in Methylobacterium aquaticum strain 22A International conference

    Patrick Juma, Yoshiko Fujitani, Ola Alessa, Tokitaka Oyama, Hiroya Yurimoto, Yasuyoshi Sakai, and Akio Tani

    IPSR international web forum  2022.9.14 

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    Event date： 2022.9.14

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  • Identification and characterization of barley root endophytic microorganisms International conference

    Kishiro K., Saisho D., Yamashita J., Yamaji N., Yamamoto T., Monden Y., Mochida K., Nakagawa T., Tani A.

    International society of microbial ecology 18  2022.8.15 

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    Event date： 2022.8.14 - 2022.8.19

    Language：English   Presentation type：Poster presentation  

    Country：Switzerland  

  • Metabolism-linked methanol chemotaxis in Methylobacterium aquaticum strain 22A. International conference

    Tani A., Iga T., Haruna Y., Kikuchi S., Masuda S., Fujitani Y., Kato J.

    International society of microbial ecology 18  2022.8.15 

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    Event date： 2022.8.14 - 2022.8.19

    Language：English   Presentation type：Poster presentation  

    Country：Switzerland  

  • Brown planthopper honeydew-associated microbes and their role in rice defense; a laboratory and field approach International conference

    David, Wari, Yuko, Hojo, Akio, Tani, Tomonori, Shinya, Ivan, Galis

    3rd ISCE-APACE Joint Meeting  2022.8.8 

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    Event date： 2022.8.8 - 2022.8.12

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Kuala Lumpur, Malaysia   Country：Malaysia  

  • Characterization of honeydew-associated microbes of brown planthoppers and their role in rice defense

    David Wari, Yuko Hojo, Akio Tani, Tomonori Shinya, and Ivan Galis

    2022.3.22 

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    Event date： 2022.3.22 - 2022.3.24

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  • Methylobacterium sp. OR01株におけるメタノール走化性に関わるMCPタンパク質の同定

    加地奏絵、川端和弥、片山志織、谷明生、由里本博也、阪井康能

    日本農芸化学会2022年度大会  2022.3.15 

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    Event date： 2022.3.15 - 2022.3.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：京都（オンライン）   Country：Japan  

  • Methylobacterium aquaticum 22A株におけるメタノール走化性の分子機構の解明

    菊池 志保、藤谷 良子、加藤 純一、谷 明生

    日本農芸化学会2022年度大会  2022.3.15 

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    Event date： 2022.3.15 - 2022.3.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：京都（オンライン）   Country：Japan  

  • オオムギ根内生微生物の同定と役割の解明

    木代 勝元、最相 大輔、山下 純、山地 直樹、山本 敏央、門田 有希、持田 恵一、中川 智行、谷 明生

    日本農芸化学会2022年度大会  2022.3.15 

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    Event date： 2022.3.15 - 2022.3.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：京都（オンライン）   Country：Japan  

  • グラム陽性メチロトローフ細菌Arthrobacter sp. YM1のランタノイド依存的メタノール生育に関する研究

    森田 翔太、八木 茜、矢野 嵩典、谷 明生、中川 智行、阿野 嘉孝、三井 亮司

    日本農芸化学会2022年度大会  2022.3.15 

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    Event date： 2022.3.15 - 2022.3.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  • 植物共生メチロトローフ細菌Methylorubrum extorquens AM1のランタノイドに応答したメタノールデヒドロゲナーゼXoxF1の発現調節機構の解析

    高橋 莉史、矢野 嵩典、中川 智行、谷 明生、三井 亮司

    日本農芸化学会2022年度大会  2022.3.15 

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    Event date： 2022.3.15 - 2022.3.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  • Brown planthopper harbors an abundance of microbes for utilization as innovative source of plant defense elicitors

    David Wari, Yuko Hojo, Akio Tani, Tomonori Shinya & Ivan Galis

    The 64th Annual Meeting of the Japanese Society of Plant Physiology  2022.3.10 

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    Event date： 2022.3.10 - 2022.3.17

    Language：English   Presentation type：Oral presentation (general)  

    Country：Japan  

  • コムギの根から単離したアグロバクテリア菌株 NR3 の特性とゲノム

    鈴木克周・清川一矢・谷明生・力石和英

    第 7 回 デザイン生命工学研究会  2022.3.10 

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    Event date： 2022.3.10

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：岩手大学   Country：Japan  

  • メチロバクテリウムがシロイヌナズナの形質に及ぼす影響とその共生作用

    井内敦子,飯野隆夫,朝比奈雅志,谷明生,成川(奈良)恵,市橋泰範,大熊盛也,安部洋,小林正智

    植物化学調節学会  2021.11.13 

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    Event date： 2021.11.13 - 2021.11.14

    Language：Japanese   Presentation type：Oral presentation (general)  

    Country：Japan  

  • 低栄養下におけるMethylorubrum属細菌のランタノイドによる生育促進応答に関する研究

    根本侑知、水野洸介、原田雄斗、岩本悟志、谷明生、三井亮司、島田昌也、早川享志、中川智行

    日本生物工学会大会  2021.10.27 

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    Event date： 2021.10.27 - 2021.10.29

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：沖縄  

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  • Genomic insights into the PPFMs phylogeny and unique features International coauthorship

    Ola Alessa、 Yoshitoshi Ogura、 Yoshiko Fujitani、 Hideto Takami、 Tetsuya Hayashi、 Nurettin Sahin、 Akio Tani

    日本農芸化学会西日本・中四国・関西支部合同大会（第60回講演会)  2021.9.24 

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    Event date： 2021.9.24 - 2021.9.25

    Language：English   Presentation type：Oral presentation (general)  

    Venue：鹿児島  

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  • グラム陽性メチロトローフ細菌Arthrobacter sp. YM1の新規ランタノイド依存型メタノールデヒドロゲナーゼの精製と諸性質

    森田翔太、 任家宜、 谷明生、 中川智行、 阿野嘉孝、 矢野嵩典、 三井亮司

    日本農芸化学会西日本・中四国・関西支部合同大会（第60回講演会)  2021.9.24 

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    Event date： 2021.9.24 - 2021.9.25

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島  

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  • オオムギ根から分離された新種細菌Rugamonas sp.の性質

    木代勝元、 最相大輔、 山下純、 山地直樹、 山本敏央、 門田有希、 持田恵一、 中川智行、 谷明生

    日本農芸化学会西日本・中四国・関西支部合同大会（第60回講演会)  2021.9.24 

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    Event date： 2021.9.24 - 2021.9.25

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島  

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  • メチロバクテリウム属細菌におけるメタノール走化性の分子メカニズムの解明

    菊池志保、 藤谷良子、加藤純一 谷明生

    日本農芸化学会西日本・中四国・関西支部合同大会（第60回講演会)  2021.9.24 

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    Event date： 2021.9.24 - 2021.9.25

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：鹿児島  

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  • Isolation and identification of novel barley endophytes. International conference

    Kishiro K.、 Saisho D、 Yamashita J.、 Yamaji N.、 Yamamoto T.、 Monden Y.、 Mochida K.、 Nakagawa T.、 Tani A.

    Phyllosphere Fortnight 2021  2021.7.16 

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    Event date： 2021.7.16 - 2021.7.21

    Language：English   Presentation type：Oral presentation (general)  

    Venue：California  

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  • Comparative genomics and phenotyping approach on Methylobacterium species. International conference

    Alessa O.、 Ogura Y.、 Fujitani Y.、 Hayashi T.、 Sahin N.、 Tani A.

    Phyllosphere Fortnight 2021  2021.7.16 

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    Event date： 2021.7.16 - 2021.7.21

    Language：English   Presentation type：Oral presentation (general)  

    Venue：California  

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  • Functional analysis of siderophore in Methylobacterium aquaticum 22A. International conference

    Patrick Juma、 Ola Alessa、 Yoshiko Fujitani、 Tokitaka Oyama、 Hiroya Yurimoto、 Yasuyoshi Sakai、 Akio Tani

    Phyllosphere Fortnight 2021  2021.7.16 

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    Event date： 2021.7.16 - 2021.7.21

    Language：English   Presentation type：Oral presentation (general)  

    Venue：California  

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  • Comparative genomic analysis of the pink pigmented facultative methylotrophs (PPFMs) International conference

    Ola Alessa、 Yoshitoshi Ogura、 Yoshiko Fujitani、 Hideto Takami、 Tetsuya Hayashi、 Akio Tani

    Galaxy online meeting  2021.7.6 

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    Event date： 2021.7.6

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Belgium  

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  • 植物表層共生細菌の生態と応用 Invited

    谷 明生

    第2回生物刺激制御研究会  2021.6.11 

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    Event date： 2021.6.11

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：岡山  

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  • 蛍光タンパク質を発現させた Methylobacterium 属細菌のアカシソ上での動態解析

    片山志織、由里本博也、谷明生、阪井康能

    日本農芸化学会大会  2021.3.18 

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    Event date： 2021.3.18 - 2021.3.21

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：仙台  

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  • Genetic and functional analysis of siderophore in Methylobacterium aquaticum 22A

    Patrick Juma、 Ola Alessa、 Yoshiko Fujitani、 Tokitaka Oyama、 Hiroya Yurimoto、 Yasuyoshi Sakai、 Akio Tani

    日本農芸化学会大会  2021.3.18 

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    Event date： 2021.3.18 - 2021.3.21

    Language：English   Presentation type：Oral presentation (general)  

    Venue：仙台  

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  • オオムギ根圏の共生微生物の単離と同定

    木代勝元、最相大輔、山下純、山地直樹、山本敏夫、門田有希、持田恵一、中川智行、谷 明生

    日本農芸化学会大会  2021.3.18 

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    Event date： 2021.3.18 - 2021.3.21

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：仙台  

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  • Comparative genomic analysis of the pink pigmented facultative methylotrophs (PPFM) International coauthorship

    Ola Alessa、 Nurettin Sahin、 Yoshihisa Ogura、 Tetsuya Hayashi、 Akio Tani

    日本農芸化学会大会  2021.3.18 

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    Event date： 2021.3.18 - 2021.3.21

    Language：English   Presentation type：Oral presentation (general)  

    Venue：仙台  

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  • Methylobacterium 属細菌におけるメタノール走化性の分子メカニズムの解明

    菊池志保、藤谷良子、加藤純一、谷 明生

    日本農芸化学会大会  2021.3.18 

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    Event date： 2021.3.18 - 2021.3.21

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：仙台  

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  • Bacteria with natural chemotaxis towards methanol revealed by chemotaxis fishing technique

    谷 明生

    日本農芸化学会 中四国支部 第58回講演会（例会）  2021.1.23 

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    Event date： 2021.1.23

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：高知  

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  • Methylobacterium 属細菌におけるメタノール走化性の分子メカニズムの解明

    菊池志保、谷 明生

    岡山バイオアクティブ研究会第57回シンポジウム  2020.10.21 

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    Event date： 2020.10.21

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：岡山  

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  • オオムギの根圏に生息する微生物の調査

    木代 勝元、谷 明生

    岡山バイオアクティブ研究会第57回シンポジウム  2020.10.21 

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    Event date： 2020.10.21

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：岡山  

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  • 植物葉上共生細菌Methylorubrum extorquens AM1のランタノイド依存型メタノールデヒドロゲナーゼアイソザイムXoxF2の解析

    竹内赴登、山下颯太、谷 明生、中川智行、矢野嵩典、三井亮司

    農芸化学会中四国支部講演会  2020.9.17 

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    Event date： 2020.9.17

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：愛媛大学  

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  • Methylobacterium aquaticum 22A株における Lanmodulinの機能解析

    藤谷良子、谷 明生

    農芸化学会  2020.3.25 

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    Event date： 2020.3.25 - 2020.3.27

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：博多  

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  • Lanthanide-dependent methylotrophic pathway in Methylobacterium aquaticum strain 22A

    Patcha Yanpirat、 Akio Tani

    農芸化学会  2020.3.25 

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    Event date： 2020.3.25 - 2020.3.27

    Language：English   Presentation type：Oral presentation (general)  

    Venue：博多  

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  • Methylorubrum属細菌の低栄養環境下におけるランタノイド応答の分子メカニズムの解明

    水野洸介、原田雄斗、岩本悟志、谷明生、三井亮司、島田昌也、早川享志、中川智行

    農芸化学会  2020.3.25 

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    Event date： 2020.3.25 - 2020.3.27

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：博多  

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  • Methylobacterium aquaticum strain 22Aにおけるランタノイドスイッチのメカニズム

    宮本稚子、谷 明生

    農芸化学会  2020.3.25 

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    Event date： 2020.3.25 - 2020.3.27

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：博多  

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  • 植物葉上共生細菌Methylorubrum extorquens AM1のランタノイド依存型メタノールデヒドロゲナーゼアイソザイムのレポーター遺伝子を用いた発現解析

    山下颯太、吉川友理、 谷 明生、中川智行、矢野嵩典、三井亮司

    農芸化学会中四国支部講演会  2020.1.25 

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    Event date： 2020.1.25

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：愛媛大学  

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  • Methylobacterium aquaticum 22A株におけるランタノイドスイッチのメカニズム

    宮本稚子、藤谷良子、谷 明生

    おかやまバイオアクティブ研究会  2019.10.8 

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    Event date： 2019.10.8

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：岡山理科大学  

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  • ホウレンソウのポストハーベストにおける菌叢変遷と鮮度劣化へのPPFMsの関与

    Lun Wang、 繁原 安美、 阪口 由佳、谷 明生、中野浩平、島田雅也、早川享志、中川智行

    第71回日本生物工学会大会  2019.9.16 

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    Event date： 2019.9.16 - 2019.9.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：岡山大学  

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  • Methylobacterium aquaticum 22A株におけるランタノイドスイッチのメカニズム

    宮本稚子、谷明生

    日本農芸化学会中四国支部 第54回講演会（例会）  2019.6.1 

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    Event date： 2019.6.1

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：岡山理科大学  

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  • Lanthanide-dependent methylotrophic pathways in Methylobacterium aquaticum 22A International conference

    Patcha Yanpirat and Akio Tani

    ASME and TSME Meeting 2019  2019.5.11 

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    Event date： 2019.5.11 - 2019.5.13

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Taichung, Taiwan. Thunghai Univ.  

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  • メチロトロフのランタノイド依存性研究の最前線 Invited

    谷 明生

    日本農芸化学会大会  2019.3.24 

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    Event date： 2019.3.24 - 2019.3.27

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京  

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  • Lanthanide-dependent formaldehyde oxidation pathways in Methylobacterium aquaticum strain 22A

    Patcha yanpirat、 谷 明生

    日本農芸化学会大会  2019.3.24 

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    Event date： 2019.3.24 - 2019.3.27

    Language：English   Presentation type：Oral presentation (general)  

    Venue：東京  

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  • Methylobacterium aquaticum strain 22Aにおけるランタノイドスイッチのメカニズム

    宮本稚子、谷 明生

    日本農芸化学会大会  2019.3.24 

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    Event date： 2019.3.24 - 2019.3.27

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京  

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  • Methylobacterium aquaticum22A株におけるメチロタキシスの機能解析

    春名優希、加藤純一、谷 明生

    日本農芸化学会大会  2019.3.24 

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    Event date： 2019.3.24 - 2019.3.27

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京  

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  • Methylobacterium aquaticum 22A株におけるLa誘導性タンパクの機能解析

    藤谷良子、谷 明生

    日本農芸化学会大会  2019.3.24 

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    Event date： 2019.3.24 - 2019.3.27

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：東京  

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  • Exploration of marine bacteria with the potential for biological reduction of hexavalent chromium International conference

    Jittima Charoepanich、 Jutamas Pantab、 Jariya Supakit、 Jeerapan Saengkla、 Srisuda Nithettham、 Dang Saebea and Akio Tani

    Final Joint Seminar of CCP  2018.12.2 

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    Event date： 2018.12.2 - 2018.12.4

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Yamaguchi University  

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  • Characterization of thermotolerant ethanologenic yeasts isolated in Lao 81 PDR International conference

    Chansom Keo-oudone、 Sukanya Nitiyon、 Phonepasith Sotitham、 Mochamad Nurcholis、 Khonesavanh Milavong、 May Thammany、 Bouachanh Seeyakeo、 Maniphone Phoudphong、 Hiem Seulo、 Khamlar Sisouvong、 Vannapha Chanthavongsa、 Khamaeng Sayaket、 Bouapha Ngothachack、 Akio Tani、 Noppon Lertwattanasakul、 Somchanh Bounphanmy、 Savitree Limtong and Mamoru Yamada

    Final Joint Seminar of CCP  2018.12.2 

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    Event date： 2018.12.2 - 2018.12.4

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Yamaguchi University  

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  • ホウレンソウにおける収穫後のMethylobacterium属細菌の挙動とその成育を制御する微生物の探索

    阪口由佳、繁原安美、王倫、谷明生、中野浩平、稲垣瑞穂、島田昌也、早川享志、中川智行

    美味技術学会  2018.11.8 

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    Event date： 2018.11.8 - 2018.11.9

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：大阪  

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  • Molecular mechanism of methylotaxis in Methylobacterium aquaticum strain 22A International conference

    Yuuki Haruna and Akio Tani

    3rd International Conference on Biologically Active Substances  2018.10.16 

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    Event date： 2018.10.16

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Okayama International Center  

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  • Functional analysis of lanthanide inducible proteins of Methylobacterium aquaticum 22A International conference

    Yoshiko Fujitani and Akio Tani

    3rd International Conference on Biologically Active Substances  2018.10.16 

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    Event date： 2018.10.16

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Okayama International Center  

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  • Formaldehyde oxidation in lanthanide-dependent methylotrophy in Methylobacterium aquaticum strain 22A International conference

    Patcha Yanpirat and Akio Tani

    3rd International Conference on Biologically Active Substances  2018.10.16 

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    Event date： 2018.10.16

    Language：English   Presentation type：Oral presentation (general)  

    Venue：Okayama International Center  

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  • ランタノイド依存型メタノール脱水素酵素XoxF1の酵素活性と安定性はランタノイド種に依存する

    王 倫、菅沼宗矢、日比野歩美、谷明生、三井亮司、海老原章郎、 岩本悟志、稲垣瑞穂、島田昌也、早川享志、中川智行

    農芸化学会中部支部 支部例会  2018.9.15 

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    Event date： 2018.9.15

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：名古屋  

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  • Methylobacterium extorquens AM1のランタノイド依存型メタノールデヒドロゲナーゼの解析

    吉川友理、北村純一、矢野嵩典、中川智行、谷 明生、三井亮司

    第70回日本生物工学会大会  2018.9.5 

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    Event date： 2018.9.5 - 2018.9.7

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：関西大学  

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  • Multiple formaldehyde oxidation pathways in Methylobacterium aquaticum strain 22A

    Patcha Yanpirat and Akio Tani

    日本微生物生態学会 第32回大会  2018.7.11 

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    Event date： 2018.7.11 - 2018.7.13

    Language：English   Presentation type：Oral presentation (general)  

    Venue：沖縄コンベンションセンター  

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  • Molecular mechanism of methylotaxis in Methylobacterium aquaticum strain 22A

    Yuuki Haruna、 Junichi Kato、 and Akio Tani

    日本微生物生態学会 第32回大会  2018.7.11 

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    Event date： 2018.7.11 - 2018.7.13

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：沖縄コンベンションセンター  

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  • Functional analysis of lanthanide inducible protein in Methylobacterium aquaticum 22A

    Yoshiko Fujitani and Akio Tani

    日本微生物生態学会 第32回大会  2018.7.11 

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    Event date： 2018.7.11 - 2018.7.13

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：沖縄コンベンションセンター  

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  • Methylobacterium属細菌におけるメタノール走化性センサーの機能解析

    春名優希、加藤純一、谷明生

    日本農芸化学会  2018.3.15 

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    Event date： 2018.3.15 - 2018.3.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：名古屋 名城大学  

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  • Methylobacterium aquaticum strain 22Aにおけるメタノール脱水素酵素遺伝子のランタノイド依存的制御

    平賀翔大、藤谷良子、谷明生

    日本農芸化学会  2018.3.15 

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    Event date： 2018.3.15 - 2018.3.18

    Language：Japanese   Presentation type：Oral presentation (general)  

    Venue：名古屋 名城大学  

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  • Draft genome and description of Novimethylophilus kurashikiensis gen. nov. sp. nov., a new lanthanide-dependent methylotrophic species of Methylophilaceae

    Haoxin Lyu and Akio Tani

    日本農芸化学会  2018.3.15 

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    Event date： 2018.3.15 - 2018.3.18

    Language：English   Presentation type：Oral presentation (general)  

    Venue：名古屋 名城大学  

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  • Plant growth enhancement via auxin-mediated root regulation by Methylobacterium sp. 2A

    Grossi CEM, Tani A., Mori IC, Matsuura T., Ulloa RM

    2024.11.5 

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  • Functional characterization of synthetic community of barley rhizosphere microbiome.

    MD Asif MAHAMUD, Rungnapa Pichaikarn, Akio Tani

    2024.10.29 

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  • 葉面細菌MethylobacteriumのバクテリオクロロフィルのATP産生機能

    井口博之, 谷明生

    日本農芸化学会関西支部大会  2024.9.28 

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  • The ecological function of violacein production in barley root-associated Duganella vulcania strain R57

    Kishiro K., Saisho D., Yamashita J., Yamaji N., Yamamoto T., Monden Y., Mochida K., Nakagawa T., Tani A.

    The 19th International Symposium on Microbial Ecology, ISME19  2024.8.18 

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  • オオムギ根由来Duganella属細菌のビオラセイン生産の向上と意義の探索

    木代勝元, 最相大輔, 山下純, 山地直樹, 山本敏央, 門田有希, 中川智行, 持田恵一, 谷明生

    岡山バイオアクティブ研究会  2024.6.6 

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  • イネ・オオムギ二毛作農業生態系における根圏微生物叢の構造と機能

    谷 明生, 最相大介, 山地直樹, 山下純, 門田有希, 中川智行, 持田恵一

    超異分野学会2024  2024.5.18 

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  • イネ・オオムギ二毛作における根圏微生物叢の機能とネットワーク

    谷 明生, 最相大輔, 山地直樹, 山下 純, 小橋理絵子, 山本敏央, 門田有希, 中川智行, 持田恵一

    日本農芸化学会2024年度東京大会  2024.3.24 

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  • 葉面細菌Methylobacteriumのバクテリオクロロフィル生産と遺伝子発現

    井口 博之, 宮部 業, 吉田 朱里, 谷, 明

    日本農芸化学会2024年度東京大会  2024 

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  • Violacein production and its ecological advantages in a barley-root isolate, Duganella sp. R57

    Kishiro K., Tani A.

    2023.11.28 

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  • イネ・オオムギ二毛作における根圏微生物群集構造の時系列変遷と機能

    谷明生, 最相大輔, 山地直樹, 山下純, 小橋理絵子, 山本敏央, 門田有希, 中川智行, 持田恵一

    日本農芸化学会中四国支部西日本支部合同大会  2023.9.21 

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  • Isolation and Characterisation of Barley Root-associated Bacteria

    Rungnapa Pichaikarn, Akio Tani

    PMRN  2023.8.25 

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  • Signal crosstalk between Methylobacterium sp. 2A and Arabidopsis thaliana

    Cecilia E.M. Grossi, AkioTani, Rita M. Ulloa

    PMRN  2023.8.25 

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  • イネ・オオムギ二毛作における根圏微生物群集構造の時系列変遷

    谷 明生, 最相大輔, 山地直樹, 山下純, 小橋理絵子, 山本敏央, 門田有希, 中川智行, 持田恵一

    農芸化学会  2023.3.14 

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  • Methylobacterium aquaticum 22AにおけるLanmodulinの機能解析

    藤谷良子, 柴田猛, 谷 明生

    農芸化学会  2023.3.14 

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  • Brown planthopper harbors an abundance of microbes for utilization as innovative source of plant defense elicitors

    David Wari, Yuko Hojo, Akio Tani, Tomonori Shinya, Ivan Galis

    2023.3.10 

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  • 植物共生メチロトローフ細菌 Methylorubrum extorquens AM1 のメタノールデヒド ロゲナーゼアイソザイムの発現制御に関わる二成分制御系の解析

    高橋莉史, 矢野嵩典, 谷明生, 中川智行, 三井亮司

    日本生物工学会西日本支部大会  2022.11.26 

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  • オオムギ根内生微生物の同定と役割の解明

    木代 勝元, 最相 大輔, 山下 純, 山地 直樹, 山本 敏央, 門田 有希, 持田 恵一, 中川 智行, 谷 明生

    日本微生物生態学会 第35回大会  2022.10.31 

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  • ランタノイド依存型C1細菌の植物共生と生育促進技術への応用

    久田健司, 野村颯人, 根本侑知, 水野洸介, 三井亮司, 谷明生, 井口博之, 清水将文, 島田昌也, 中川智行

    日本生物工学会 第74回大会  2022.10.17 

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  • 二毛作体系における栽培環境がオオムギ栽培に与える影響

    最相大輔, 木代 勝元, 山地直樹, 谷 明生

    日本育種学会 第142回講演会  2022.9.23 

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  • Role of a siderophore in Methylobacterium aquaticum strain 22A

    Patrick Juma, Yoshiko Fujitani, Ola Alessa, Tokitaka Oyama, Hiroya Yurimoto, Yasuyoshi Sakai, Akio Tani

    IPSR international web forum  2022.9.14 

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  • Identification and characterization of barley root endophytic microorganisms

    Kishiro K., Saisho D., Yamashita J., Yamaji N., Yamamoto T., Monden Y., Mochida K., Nakagawa T., Tani A.

    International society of microbial ecology 18  2022.8.14 

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  • Metabolism-linked methanol chemotaxis in Methylobacterium aquaticum strain 22A.

    Tani A., Iga T., Haruna Y., Kikuchi S., Masuda S., Fujitani Y., Kato J.

    International society of microbial ecology 18  2022.8.14 

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  • Brown planthopper honeydew-associated microbes and their role in rice defense; a laboratory and field approach

    David, Wari, Yuko, Hojo, Akio, Tani, Tomonori, Shinya, Ivan, Galis

    3rd ISCE-APACE Joint Meeting  2022.8 

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  • Characterization of honeydew-associated microbes of brown planthoppers and their role in rice defense

    David Wari, Yuko Hojo, Akio Tani, Tomonori Shinya, Ivan Galis

    2022.3.20 

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  • 植物共生メチロトローフ細菌Methylorubrum extorquens AM1のランタノイドに応答したメタノールデヒドロゲナーゼXoxF1の発現調節機構の解析

    高橋 莉史, 矢野 嵩典, 中川 智行, 谷 明生, 三井 亮司

    日本農芸化学会2022年度大会  2022.3.15 

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  • オオムギ根内生微生物の同定と役割の解明

    木代 勝元, 最相 大輔, 山下 純, 山地 直樹, 山本 敏央, 門田 有希, 持田 恵一, 中川 智行, 谷 明生

    日本農芸化学会2022年度大会  2022.3.15 

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  • Methylobacterium aquaticum 22A株におけるメタノール走化性の分子機構の解明

    菊池 志保, 藤谷 良子, 加藤 純一, 谷 明生

    日本農芸化学会2022年度大会  2022.3.15 

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  • グラム陽性メチロトローフ細菌Arthrobacter sp. YM1のランタノイド依存的メタノール生育に関する研究

    森田 翔太, 八木 茜, 矢野 嵩典, 谷 明生, 中川 智行, 阿野 嘉孝, 三井 亮司日本農, 年度大会

    日本農芸化学会2022年度大会  2022.3.15 

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  • Methylobacterium sp. OR01株におけるメタノール走化性に関わるMCPタンパク質の同定

    加地奏絵, 川端和弥, 片山志織, 谷明生, 由里本博也, 阪井康能

    日本農芸化学会2022年度大会  2022.3.15 

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  • コムギの根から単離したアグロバクテリア菌株 NR3 の特性とゲノム

    鈴木克周, 清川一矢, 谷明生, 力石和英

    第 7 回 デザイン生命工学研究会  2022.3.10 

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  • メチロバクテリウムがシロイヌナズナの形質に及ぼす影響とその共生作用

    井内敦子, 飯野隆夫, 朝比奈雅志, 谷明生, 成川(奈良)恵, 市橋泰範, 大熊盛也, 安部洋, 小林正智

    植物化学調節学会  2021.11.13 

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  • Flow Cytometry and Cell-Sorting Method for Isolating Live Bacteria with Meta-Cleavage Activity on Dihydroxy Compounds of Biphenyl

    APBioChEC'09 Biotechnology for sustainable Development  2009 

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  • IncP-7群カルバゾール分解プラスミドpCAR1の宿主域の解析

    環境バイオテクノロジー学会  2009 

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  • 出芽酵母のホルムアルデヒドストレス耐性機構におけるTps1の役割

    日本生物工学会  2009 

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  • 「環境細菌の生き様を探る」

    化学工学会東海支部 第42回研究交流セミナー  2009 

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  • IncP-７群カルバゾール分解プラスミドpCAR1の宿主域の解析

    農芸化学会関東支部大会  2009 

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  • MALDI-TOF/MSによるMethylobacterium属細菌のタイピングと生化学的特徴

    日本生物工学会  2009 

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  • MALDI-TOF/MS-based phylogenic analysis of Methylobacterium species collected from plant samples

    MARCO シンポジウム2009 モンスーンアジアにおける農業環境問題と研究の課題  2009 

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  • 酵母のホルムアルデヒド耐性におけるトレハロース合成遺伝子の関与

    日本農芸化学会大会  2009 

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  • MALDI-TOF/MSによるMethylobacterium属細菌のタイピング

    日本農芸化学会大会  2009 

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  • フローサイトメトリを用いた代謝産物の蛍光に基づく微生物単離法の開発

    日本農芸化学会大会  2009 

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  • 土壌環境中の細菌の検出技術

    日本生物工学会2008年度大会 シンポジウム（土壌環境での細菌の生き様を探る)  2008 

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  • スナゴケの生育を促進する微生物

    日本生物工学会2008年度大会  2008 

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  • Plant-growth promotion by methylobacteria

    Gordon Conference Molecular basis of microbial one-carbon metabolism  2008 

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  • Racomitrium canescens as a material for greening and physiological study

    MOSS 2008, The annual international symposium for moss experimental research  2008 

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  • カルバゾール分解プラスミドの環境中における挙動の解析

    日本農芸化学会中四国支部第２１回講演会  2008 

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  • スナゴケの生育を促進する微生物

    日本農芸化学会中四国支部第２１回講演会  2008 

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  • 出芽酵母のアセトアルデヒド応答とオレイン酸合成の制御

    日本農芸化学会北海道支部 合同学術講演会  2007 

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  • Rhodotorula glutinisにおけるアルミニウム耐性機構とミトコンドリ ア活性

    2007.3.24-27  2007 

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  • 出芽酵母のアセトアルデヒド誘導性因子の探索と解析

    2007年度 日本生物工学会大会  2007 

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  • 赤色酵母Rhodotorula glutinis IFO1125株のアルミニウム耐性におけるミトコンドリアの役割

    農芸化学会中四国大会  2007 

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  • The physiological role of glutathione-S-transferase in the downstream of peg operon in Sphingopyxis macrogoltabida

    2007年度日本生物工学会  2007 

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  • Xenobiotic polymer degradation by Sphingomonads.

    JSPS-NRCT Core university program (1998-2008) on Development of thermotolerant microbial resources and their applications  2007 

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  • Dual regulation of a polyethylene glycol-degradative operon by AraC-type and GalR-type regulator in Sphingopyxis macrogoltabida strain 103

    The 5 th JSPS-NRCT joint seminar on development of thermotolerant microbial resources and their applications  2006 

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  • Involvement of acyl-CoA synthetase and glutathione-S-transferase in PEG degradation by Sphingomonads

    The 5 th JSPS-NRCT joint seminar on development of thermotolerant microbial resources and their applications  2006 

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  • Sphingomonas 属細菌によるポリエチレングリコール分解オペロンの保存と転写制御

    日本生物工学会 第５８回  2006 

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  • Genes relevant to the degradation of polyethylene glycol in Sphingomonads

    農芸化学会２００５年度大会  2005 

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  • ポリエチレングリコール(PEG)代謝に関わるSphingomonas macrogoltabidus strain 103 由来ニコチノプロテイン・アルデヒド脱水素酵素遺伝子の発現

    農芸化学会２００５年度大会  2005 

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  • 赤色酵母Rhodotolura glutinisのAl耐性獲得機構におけるarsenite translocating ATPaseの役割

    農芸化学会２００５年度大会  2005 

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  • 赤色酵母Rhodotorula glutinisのAl耐性獲得機構

    農芸化学会２００５年度大会  2005 

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  • Degradation of nonylphenol mono- and diethoxylates by Ensifer sp. AS08

    日本農芸化学会中四国支部講演会  2005 

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  • Regulation of genes relevant to microbial degradation of xenobiotic polymers,

    ACS meeting  2005 

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  • Adaptive Al-resistance in Rhodotorula glutinis IFO1125

    XXII. International conference on yeast genetics and molecular biology  2005 

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  • Aerobic metabolism of xenoestrogenic short ethoxy chain-nonylphenol by bacteria able to grown on short ethoxy chain-nonylphenol and nonylphenol

    Pacifichem 2005  2005 

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  • ポリエチレングリコール代謝遺伝子構造とその制御

    平成１６年度日本農芸化学会  2004 

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  • Bacterial degradation of nonylphenol mono-and diethoxylates

    平成１６年度日本農芸化学会  2004 

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  • Rhodotorula glutinis の後成的アルミニウム耐性機構

    平成１６年度日本農芸化学会  2004 

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  • ポリエチレングリコール(PEG)代謝に関わるエーテル結合開裂酵素の遺伝子解析

    平成１６年度日本農芸化学会  2004 

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  • Adaptive Acquirement of Heritable Aluminum Resistance by Rhodotorula glutinis IFO1125

    American Society for Microbiology general meeting  2004 

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  • Rhodotorula glutinis の後成的アルミニウム耐性獲得機構

    日本農芸化学会中四国支部第９回講演会（例会）  2004 

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  • Adaptive aquirement of Al resistance in yeast Rhodotorula glutinis IFO 1125.

    低pH領域における植物と土壌の相互作用に関する国際会議  2004 

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  • Sphingomonas terrae 由来ポリエチレングリコール脱水素酵素の構造と機能解析

    日本生物工学会2004年次大会  2004 

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  • Transcription of the genes involved in polyethylene glycol degradation by Sphingomonas macrogoltabidus No. 103

    2nd Circular 4th JSPS-NRCT Joint Seminar on Development of Thermotolerant Microbial Resources and Their Applications  2004 

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  • Adaptive acquirement of heritable aluminium tolerance by epigenetic regulation.

    Fifth Keele Meeting on Aluminium Aluminium in Life: From acid rain to Alzheimer's disease  2003 

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  • Adaptive acquirement of heritable aluminium tolerance by epigenetic regulation

    Fifth Keele Meeting on Aluminium  2003 

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  • 赤色酵母の後成的アルミニウム耐性獲得機構

    農芸化学会大会  2003 

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  • グラム陽性菌Pseudonocardia sp. strain K1のポリエチレングリコール(PEG)代謝

    農芸化学会大会  2003 

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  • Purification and gene cloning of oxidized polyvinyl alcohol hydrolase from Sphingomonas sp. 113P3

    農芸化学会大会  2003 

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  • Rhodotorula glutinis におけるアルミニウム耐性獲得機構

    日本生物工学会  2003 

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  • Adaptive acquirement of aluminum resistance in Rhodotorula glutinis

    日本生化学会  2003 

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  • Sphingomonas sp. 由来ポリビニルアルコール脱水素酵素(PVA-DH)遺伝子のクローニング及びその諸性質

    農芸化学会大会  2003 

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  • Marine biosurfactant: Purification and characterization of a biosurfactant produced by Myroides odoratus SMT1 isolated from seawater in Thailand

    農芸化学会大会  2003 

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  • The first step in the degradation of polyethers proceeds via alcohol dehydrogenases

    9th International symposium on the genetics of industrial microorganisms  2002 

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  • 赤色酵母の後成的アルミニウム耐性獲得機構

    環境微生物研究会主催、藪田セミナー講演会  2002 

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  • Sphingomonas terrae 由来ポリエチレングリコール脱水素酵素(PEG-DH)におけるH467, C472およびN511の役割

    日本農芸化学会2002年度大会  2002 

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  • iso-アルカン分解菌の探索と分解菌の系統分類

    日本生物工学会2001年度大会  2001 

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  • 長鎖n-アルカン資化性細菌Acinetobacter sp. M-1株に見いだした長鎖Acyl-CoA reductaseの生理的役割

    日本農芸化学会2001年度大会  2001 

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  • ガス状短鎖アルカン資化性細菌Gordonia sp. TY-5 株の分離とプロパン代謝

    日本農芸化学会2001年度大会  2001 

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  • スフィンゴモナス属細菌の細胞表層構造と合成高分子物質の分解

    シンポジウム科学研究費補助金基盤研究(c) （企画調査）  2001 

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  • Acinetobacter sp. M-1株によるワックスエステル生産

    日本農芸化学会2001年度関西・西日本・中四国支部合同大会  2001 

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  • Sphingomonas terrae 由来ポリエチレングリコール脱水素酵素におけるH467, C472, およびN511の役割

    日本農芸化学会2001年度関西・西日本・中四国支部合同大会  2001 

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  • アルカン資化性細菌Acinetobacter sp. M-1由来acyl-CoA reductaseのクローニング

    日本生物工学会2000年度大会  2000 

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  • 長鎖n-アルカン分解菌Acinetobacter sp. M-1由来の２つのアルカンヒドロキシラーゼの諸性質

    日本農芸化学会2000年度大会  2000 

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  • Oxidation of Long-Chain n-alkanes by Acinetobacter sp. M-1: Existence of Two Alkane Hydroxylases

    Fifth International Symposium on Environmental Biotechnology  2000 

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  • Long-Chain Aldehyde Dehydrogenase That Participates in n-Alkane Utilization and Wax Ester Synthesis of Acinetobacter sp. M-1

    Fifth International Symposium on Environmental Biotechnology  2000 

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  • 長鎖n-アルカン分解菌Acinetobacter sp. M-1由来の２つのアルカンヒドロキシラーゼの諸性質

    日本生物工学会2000年度大会  2000 

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  • Acinetobacter sp. M-1由来の２つのアルカンヒドロキシラーゼのクローニング

    日本生物工学会1999年度大会  1999 

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  • アルカン資化性細菌Acinetobacter sp. M-1に見出した長鎖アルデヒドデヒドロゲナーゼの生理的役割

    日本生物工学会1999年度大会  1999 

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  • 長鎖n-アルカン分解菌Acinetobacter sp. M-1 株のAcyl-CoA脱水素酵素遺伝子のクローニングと酵素化学的諸性質

    日本農芸化学会1999年度大会、平成11年4月  1999 

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  • 植物生長促進能を有する細菌及びその分離方法

    谷 明生、木代勝元、最相大輔、山地直樹、山下純

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    Applicant：岡山大学

    Application no：特願 2021-015090  Date applied：2021.2.2

  • エルゴチオネインの産生方法

    谷 明生

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    Applicant：国立大学法人 岡山大学

    Application no：特願2016-122379  Date applied：2016.6.21

    Patent/Registration no：特許6758703  Date registered：2020.9.4 

    Rights holder：国立大学法人岡山大学

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Works

  • 岡山発これからの屋上ガーデン

    2009

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    Work type：Artistic work  

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  • 「屋上緑化用植物スナゴケの生育を促進する微生物」

    2008

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    Work type：Artistic work  

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Awards

  • 論文賞

    2020.3   日本農芸化学会   Bacteria with natural chemotaxis towards methanol revealed by chemotaxis fishing technique

    Yosef Hamba Tola, Yoshiko Fujitani, Akio Tani

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  • 2015年度発酵と代謝研究奨励賞

    2015.6   バイオインダストリー協会   ユニークな抗酸化性アミノ酸、エルゴチオネインの微生物生産

    谷 明生

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  • IBS 2012 President Poster Award

    2012.9   IBS 2012 15th International Biotechnology Symposium and Exhibition, EXCO, Daegu, Korea   Monitoring system for biofilm architecture and development using a multichannel microdevice

    Sanchez Z, Ota T, Tani A, Kimbara K

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  • 岡山大学若手トップリサーチャー賞

    2012.3   岡山大学  

    谷 明生

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  • 研究企画賞

    2010.9   日本農芸化学会   品種の異なるオオムギに共生するメタノール資化性菌の網羅的ライブラリ作製と宿主生育促進効果の解析

    谷 明生

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  • 岡山工学振興会科学技術賞

    2002  

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    Country：Japan

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  • 日本生物工学会、論文賞

    1997  

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    Country：Japan

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Research Projects

  • Characterization of a novel Methylobacterium isolate which is a plant growth-promoting rhizobacteria that emerges as a potential strategy to improve crop management International coauthorship

    2022.09 - 2022.10

    岡山大学植物研  植物研　拠点国際共同研究 

    Cecilia Grossi

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    Authorship：Collaborating Investigator(s) (not designated on Grant-in-Aid)  Grant type：Competitive

    Grant amount：\500000

  • Rugamonas属細菌及び近縁細菌のゲノム情報による分類 International coauthorship

    2022.08 - 2022.09

    大原奨農会  大原国際共同研究  Rugamonas属細菌及び近縁細菌のゲノム情報による分類

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    Authorship：Principal investigator  Grant type：Competitive

    Grant amount：\400000

  • 一細胞解像度での日本の圃場メタゲノムユニバースの描出

    2022.04 - 2023.03

    岡山大学  拠点共同研究 

    持田恵一

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    Authorship：Coinvestigator(s)  Grant type：Competitive

    Grant amount：\200000

  • pHの異なる二毛作圃場の生産性を支える微生物叢の解析

    2022.04 - 2023.03

    土科学センター財団  土科学センター財団研究助成 

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    Authorship：Principal investigator  Grant type：Competitive

    Grant amount：\1030000 （ Direct expense: \1030000 ）

  • モデル植物を用いたメチロバクテリウムと植物の相互作用についての研究

    2022.04 - 2023.03

    岡山大学  拠点共同研究 

    阿部洋

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    Authorship：Coinvestigator(s)  Grant type：Competitive

    Grant amount：\200000

  • 稲体内の糖代謝の遺伝的改変が根圏のイオン組成および微生物叢に及ぼす影響

    2022.04 - 2023.03

    岡山大学  拠点共同研究 

    青木直大

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    Authorship：Coinvestigator(s)  Grant type：Competitive

    Grant amount：\200000

  • 環境保全型農業での活用を目指したC1細菌-植物共生系の共生原理解明

    2022.04 - 2023.03

    岡山大学  拠点共同研究 

    由里本博也

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    Authorship：Coinvestigator(s)  Grant type：Competitive

    Grant amount：\200000

  • Molecular interactome on the regulation of lanthanide-dependent methylotrophy

    Grant number：21H02105  2021.04 - 2024.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    谷 明生

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    Grant amount：\17940000 （ Direct expense: \13800000 、 Indirect expense：\4140000 ）

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  • Wastewater treatment by-products to improve feed crop production in Qatar International coauthorship

    2021.04 - 2023.03

    Qatar-Japan Research Collaboration Application (QJRC)  Qatar 

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    Authorship：Principal investigator 

    Grant amount：\5662420 （ Direct expense: \5662420 ）

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  • 土壌細菌叢へのトレハロース散布の影響調査

    2021.02 - 2023.03

    株式会社林原  林原 

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    Authorship：Principal investigator  Grant type：Collaborative (industry/university)

    （ Direct expense: \2300000 ）

  • オオムギ根の内生菌の生態解明とその機能開発

    2020 - 2021

    日本環境財団 

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    Authorship：Principal investigator 

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  • Biological sustainability of double-cropping supported by seasonal change in root microbiome

    Grant number：19KT0011  2019.07 - 2022.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    Tani Akio

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    Grant amount：\18590000 （ Direct expense: \14300000 、 Indirect expense：\4290000 ）

    We focused on the microbial functions to explain sustainability of rice-barley double cropping, which has been utilized for long in west-south part of Japan including Okayama. We visualized the field environmental factors including microbiome structure of three years in the experimental fields. 16S rRNA amplicon sequencing analysis of 2400 samples was done for the soil, rhizosphere soil, and root samples of two different rice and barley cultivars (total 4 cultivars) grown in the fertilized and non-fertilized fields. The microbiome structures that have different structures depending on the part of samples (root, rhizosphere, and soil) were distinct between rice and barley that repeated well in three years, and they were also affected by fertilization. Soil solutes analysis also revealed that it is affected by fertilization. Also we got data of wild plant species and physicochemical factors. These data serves as a basis to develop sustainable agriculture.

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  • 植物共生細菌のメタノール走化性の機構と重要性の解明

    2019 - 2021

    公益財団法人 ウエスコ学術振興財団  研究活動費助成事業 

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  • Importance of lanthanides in microorganisms

    Grant number：18H02129  2018.04 - 2021.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    Tani Akio

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    Grant amount：\17680000 （ Direct expense: \13600000 、 Indirect expense：\4080000 ）

    Methylobacterium species are phytosymbionts utilizing methanol emitted from plants. They utilize two different methanol dehydrogenases (MDHs) that require calcium and lanthanides. We examined the regulation mechanism of Ln-dependent gene expression, and found factors involved in the regulation. On the other hand, Ln-dependent MDH gene is encoded in many bacterial genomes. We found and characterized new Ln-dependent methylotrophs.

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  • Variety and regulation of lanthanide-dependent methanol dehydrogenases

    Grant number：15H04476  2015.04 - 2018.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    Tani Akio, MITSUI Ryoji, NAKAGAWA Tomoyuki, LV Haoxin

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    Grant amount：\17160000 （ Direct expense: \13200000 、 Indirect expense：\3960000 ）

    We genetically analyzed the function of multiple methanol dehydrogenase (MDH) -like genes in Methylobacterium species. It was found that Ca-dependent MDH, MxaF and Ln-dependent MDH, XoxF1 were necessary for the growth on methanol and ethanol. Another alcohol dehydrogenase is involved in propanol oxidation. In addition, genetic analysis on MxbD that acts as lanthanide-switch for the expression of mxaF and xoxF has been done. MxbD is necessary for mxaF expression but not for xoxF expression, and spontaneous mutation in HAMP domain in the protein releases the repression of mxaF expression by the presence of XoxF.

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  • Study of lanthanides-dependent methylotrophic growth of microbe-plant symbiosis in phyllosphere and rhizosphere.

    Grant number：26660074  2014.04 - 2017.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research  Grant-in-Aid for Challenging Exploratory Research

    Mitsui Ryoji, TANAKA Mitsuo, NAKAGAWA Tomoyuki, TANI Akio, MINAMISAWA Kiwamu

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    Grant amount：\3770000 （ Direct expense: \2900000 、 Indirect expense：\870000 ）

    This study, which focused on the large quantity of methanol produced by the demethylation of plant pectin present in the primary cell wall, showed that methanol is emitted as one of the plant root exudates. This methanol may contribute to the formation of specialized microbial communities in the phyllosphere and rhizosphere. Methylotrophic bacterium Methylobacterium spp, which were detected at high frequencies on leaves , and nodule formation and nitrogen fixation bacterium, Bradyrhizobium spp., possess lantanoides-dependent methanol dehydrogenase. The results in this study suggested that lantanide-dependent methanol dehydrogenase contributed not only to methylotorophic growth but to recognition of habitant environment for microbe-plant symbiosis.

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  • Mechanism of mutual recognition between plants and epiphytic bacteria

    Grant number：25660060  2013.04 - 2015.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research  Grant-in-Aid for Challenging Exploratory Research

    TANI Akio, VORHOLT Julia A.

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    Grant amount：\3900000 （ Direct expense: \3000000 、 Indirect expense：\900000 ）

    The epiphytic bacterial symbionts, Sphingomonas and Methylobacterium species inhabit in the phyllosphere without causing any harmful effect on plants. Sphingomonas species are known to protect plants against pathogenic bacteria. This study investigated how plants recognize Sphingomonas species, and the mechanism of antagonistic effect. Cells, flagella, and flagellin peptides from Sphingomonas species evoked immunity reactions in plants, suggesting the involvement of flagellin sensing in plants. It was also found that Sphingomonas species directly antagonize pathogenic bacteria by producing unknown substances that may be involved in iron acquisition.

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  • Molecular interactions at plant-insect interface

    Grant number：24570026  2012.04 - 2015.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    GALIS Ivan, SHINYA Tomonori, TANI Akio

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    Grant amount：\5460000 （ Direct expense: \4200000 、 Indirect expense：\1260000 ）

    We established a novel system to study rice-insect interactions. We showed that the accumulation of active defense hormone jasmonoyl-L-isoleucine (JA-Ile) in rice depends on the function of OsJAR1 enzyme. JA and JA-Ile accumulations in rice were controlled by the availability of the main pathway substrate, α-linolenic acid. In comparison to wounding, rice plants specifically responded to elicitors present in chewing herbivore oral secretions. We identified two novel herbivory-related phenolamide phytoalexins. Using ROS and rice phenolamides as molecular markers, we identified and partially purified a new putative insect elicitor from Mythimna loreyi oral secretions.

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  • Variety and symbiotic mechanism of methylotrophic bacteria in plants

    Grant number：23688012  2011.04 - 2014.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (A)  Grant-in-Aid for Young Scientists (A)

    TANI AKIO, NAKAGAWA Tomoyuki, MITSUI Ryoji, NURETTIN Sahin

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    Grant amount：\17550000 （ Direct expense: \13500000 、 Indirect expense：\4050000 ）

    This project, in regard to Methylobacterium species that is symbiotic to plants and capable of promoting plant growth, aims to classify the possible new species that we have isolated, and to clarify the molecular level mechanism of the promotion, and to clarify ecology of the species in the plants. We have proposed four new species in the genus. The bacterial plant hormones were quantified, and it was found that cytokinin is one of the most effective hormones. We also found that the cofactor of methanol dehydrogenase (MDH) is capable of inducing stomata opening, due to its scavenging activity towards reactive oxygen species. One homologue for MDH is found to be rare-earth element dependent, and functional analysis of MDHs were conducted. We isolated and identified the species from rice seeds, and found that the species is not restricted only plant genotype but also the cultivation environment of the plants.

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  • Study of plant symbiotic methylotrophic bacteria

    Grant number：23580122  2011 - 2013

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    MITSUI Ryoji, TANAKA Mitsuo, NAKAGAWA Tomoyuki, TANI Akio

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    Grant amount：\5460000 （ Direct expense: \4200000 、 Indirect expense：\1260000 ）

    Methanol-utilizing bacteria, methylotroph, are distributed widely into environment, however the source of methanol in environment have been unclear for a long time. It was recently reported that the plants released a large amounts of methanol into the environment by hydrolyzing pectin methyl ester in around cell wall with growing. And that is utilized by methylotrophic bacteria for carbon or energy source. Furthermore, that is utilized as a mediator for symbiosis between plants and methylotroph.
    In this study, we tried to understand the symbiotic relationship between plants and methylotrophic bacteria. We studied some substances as symbiotic materials such as pyrroloquinoline quinone (PQQ), CO2 and metal ions (especially calcium and rare earth elements) for exchange between plants and methylotrophic bacteria.

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  • Global isolation and classification of Azospirillum species by a new method

    Grant number：23658080  2011 - 2012

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research  Grant-in-Aid for Challenging Exploratory Research

    TANI Akio, NAKAGAWA Tomoyuki, MITSUI Ryoji, NURETTIN Sahin

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    Grant amount：\3900000 （ Direct expense: \3000000 、 Indirect expense：\900000 ）

    Azospirillum species is azotrophic bacteria symbiotic to plant roots, and capable of promoting plant growth. Isolation of this species is difficult, and their classification and relationship between their host plants is not well elucidated. This study aims to isolate the species as many as possible, to classify them using mass-spectrometry dependent method, and to give a new insight into the classification of the species by finding new species. We found that nitrogen-free medium under micro-aerobic condition is important for their isolation, and we isolated 60 isolates. They were subjected to mass spectrometry for precise classification. We also found some species capable of promoting rice growth by 20%.

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  • The genes involved in plant-growth promotion by methylotrophic bacteria

    Grant number：21780074  2009 - 2010

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

    TANI Akio, KIMBARA Kazuhide

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    Grant amount：\4680000 （ Direct expense: \3600000 、 Indirect expense：\1080000 ）

    The genome of Methylobacterium sp.22A that promotes the growth of various plants, was sequenced. The draft genome data is comprised of 490 contigs with average contig size 16kbp. The genome size was estimated to be 7.7Mbp, with 6 plasmids. The genes involved in the interaction with plants, i.e. methanol metabolism, nitrogen fixation, and vitamin synthesis were identified. The gene-disruption experiment is now under progress.

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  • Environmental behavior of polyethylene glycol-degradative megaplasmid of Sphingomonads

    Grant number：19780060  2007 - 2008

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

    TANI Akio, KIMBARA Kazuhide, KAWAI Fusako

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    Grant amount：\3710000 （ Direct expense: \3500000 、 Indirect expense：\210000 ）

    人工化合物であるポリエチレングリコール(PEG)の有力な分解菌であるSphingomonas属細菌はPEG分解遺伝子をプラスミドにコードしている。このプラスミドは接合伝達で他の菌にも移ることが示唆されているが、その宿主特異性などは明らかではない。本研究ではPEG分解菌が持つプラスミドの環境中での挙動を解析するにあたり基礎的な知見を蓄積し、PEGの完全分解に関わる遺伝子群を明らかにした。

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  • Building up a network of degradation enzymes in a thermophilic bacterium that degrade aromatic compounds

    Grant number：18580077  2006 - 2008

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    KINBARA Kazuhide, TANI Akio

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    Grant amount：\3850000 （ Direct expense: \3400000 、 Indirect expense：\450000 ）

    芳香族化合物を分解する微生物は、その能力を進化の過程で獲得してきたものと考えられている。本研究では、これまで解析された例が少ない好熱性細菌に着目し、ナフタレン代謝酵素遺伝子群の解析を行うことを目的とした。その結果、遺伝子の単離とナフタレンによる誘導性を見出すことが出来た。しかし、ナフタレンを代謝する過程で生理活性が著しく低下することが分かり、酵素機能と代謝ネットワークの詳細を解析するにはいたらなかった。

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  • Improvement of acidic soils by aluminium (Al)-resistant fungi and molecular mechanism of Al-resistance

    Grant number：17580065  2005 - 2007

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    KAWAI Fusako, KIMBARA Kazuhide, TANI Akio

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    Grant amount：\3610000 （ Direct expense: \3400000 、 Indirect expense：\210000 ）

    1) We showed that Penicillium janthinellum F-13isolated from tea field could neutralize acidity of acidic soils in Tohoku Area of Japan and promoted germination and growth of vegitation. Efficiency was maintained for a few years. Another experimental execution of works are on going in another site in Japan, showing the similar improvement. In general, the strain is expected to improve vegitation in acidic soils of Japan.
    2) We introduced two candidate Al-tolerant genes of Al-tolerant UV-mutant derived from P. chrysogenum IFO4626 into Nicotiana tabacum, designating this as TO. Using T2seeds, increase of Al-tolerance was examined by germination and growth, but no positive results have not been detected. We will try another candidate genes and another growth conditions.
    3) DDGE analyses of soils collected from different sites in Thailand suggested that less microbial flora were detectable in acidic soils than in normal soil. When soil extracts were kept under acidic conditions, variety of microbial flora of regular soil was simplified, but no change was found with acidic soils, suggesting that only tolerant flora to Al and acidity exist in acidic soil and fungi are more tolerant to Al and acidity than bacteria.
    4) DGGE analyses of domestic soils collected from different sites in tea fields of Shizuoka Prefecture showed that microbial flora were greatly influenced by soil pHs. Nitrogen fertilizer reduced soil pH and bacteria/fungi ratio increased under pH4. Characteristic fungi were detected in furrow soils where nitrogen fertilizers are given..
    5) The mechanism of novel Al tolerance found in Rhodotorula glutinis IFO1125 was analyzed. Increased tolerance was obtained accordingly to increased Al concentrations. Increased resistat cells had increased mitochondria and their DNA. Al ion increased membrane potential of mitochondria producing active oxygen species caused by lowered cytochrome oxidase and resulting in Al toxicity. The increment of mitochondrial numbers and their DNA is concluded to be a conpensation for lowered respiration ability caused by decrement of cytochrome oxidase.
    6) Involvent of three genes were suggested in Al tolerance of R. glutinis. Laccase is possibly related to iron uptake, which is elevated in the presence of Al. Arsenite-translocating ATPase is relevant to maintaining membrane integrity, especially mitochondrial function. Ca^<2+>/calmodulin-dependent protein kinase is suggested to be involved in Al tolerance through Ca^<2+>/calmodulin-dependent signaling pathway.

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  • Function of cell surface and degradation of xenobiotic polymers in Sphingomonas species

    Grant number：14560068  2002 - 2004

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    KAWAI Fusako, TANI Akio

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    Grant amount：\2700000 （ Direct expense: \2700000 ）

    In this study, biochemical and molecular studies on polyethylene glycol (PEG) and polyvinyl alcohol (PVA) degradation were practiced with PEG- or PVA-utilizing sphingomonads.
    The approximately 14-kb DNA fragment including upstream and downstream regions of a gene for PEG dehydrogenase (pegA) was cloned from Sphingomonas macrogoltabidus strain 103 and sequenced. It contained ten putative genes : orf1 (A,B), pegB,C,D,A,E and R and orf2 (A,B) corresponding to transposases (A,B), TonB-dependent receptor, aldehyde dehydrogenase, permease, PEG dehydrogenase (PEGDH), acyl-CoA ligase, AraC-type transcription regulator (in opposite orientation) and transposases (A,B), respectively. More than 99% homology of gene structures (pegB,C,A,E and orf 2) was found in the other PEG-degrader, S.macrogoltabidus strain 203 and S.terrae. Orf 1 of S.terrae had approximately 50% homology with those of S.macrogoltabidus strains 103 and 203 (homology of them are more than 90%, but the direction was reverse.) Insertion of another transposase between pegD and pegA was found in strain 203. which led to constitutive expression of pegA. Dot-blot hybridization and RT-PCR revealed that five genes in the same orientation transcribed as single operon. The gene, pegD was expressed in E.coli and the recombinant enzyme was characterized as nicotinoprotein PEG-aldehyde dehydrogenase including NADP tightly bound to the enzyme. This was the first finding on nicotinoprotein aldehyde dehydrogenase. On the other hand, reaction mechanism of PEGDH was characterized, based on 3D molecular modeling.
    Oxidized PVA-hydrolyzing enzyme (OPH) was purified from Sphingomonas sp.113P3 and characterized. Base on N-terminal and internal amino acid sequences, the gene encoding OPH was cloned and sequenced. The recombinant enzyme was expressed as inclusion body in E.coli. By homology search, OPH had similarity with OPH from Pseudomonas sp.VM15C and polyhydroxybutyrate depolymerases, keeping the consensus sequence for oxyanion hole and catalytic triads. In addition, the gene encoding PVA dehydrogenase (PVADH) and cytochrome C were located downstream. The genes for OPH and PVADH were located in tandem with almost no space, showing the coexpression controlled by the same promotor.
    PEG- or PVA-utilizing sphingomonads changed their cell surface structures when grown either on PEG or PVA-medium or on nutrient broth, which seemed to correspond to their degradation abilities. By analyzing genes involved in respective degradation operons and their vicinities we could show how polymers are recognized and lead to the expression of their metabolic genes. TonB-dependent receptor and permease seem to be involved in transport of substrates or metabolites in PEG degradation. This has to be clarified further.

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  • 細菌によるアルカン分解機構の解明とそれを利用した鯨油に代わるワックス類の生産

    Grant number：14760050  2002 - 2003

    日本学術振興会  科学研究費助成事業 若手研究(B)  若手研究(B)

    谷 明生

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    Grant amount：\1900000 （ Direct expense: \1900000 ）

    原油中の主成分であるn-アルカンを分解できる微生物については細菌・酵母・カビに至るまで数多くの報告があるが、現在までに知られている中でAcinetobacter sp.M-1株は最も長鎖の成分(炭素数30以上)を分解できる細菌として例を見ない分解特性を持っている。本菌は常温で個体である成分にまで旺盛に生育することから、その強力な分解活性と、代謝産物であるワックスエステルの合成力とを用いて廃油や自然環境に放出された原油成分から、現在天然には利用できない鯨油に代わるワックス類の生産に結びつけることを目的とした。
    このようなバイオコンバージョンを目的とする場合は分解機構の解明とそれに関わる遺伝子・酵素群に関しての情報が必要であることから、一つ一つの反応を行う酵素について性質を調べてきた。特に本研究ではアルカン分解とワックス合成との分岐点であるAcyl-CoA脱水素酵素を本菌より精製、遺伝子をクローニングし、その性質を調べた。
    本菌はAcyl-CoA脱水素酵素を少なくとも二つ保持しており、それらの遺伝子はタンデムに染色体ゲノム上に配置されていた。これらの遺伝子がコードする酵素はそれぞれ長鎖、中鎖のAcyl-CoAに活性を示し、基質特異性が異なることを明らかにした。これらはその基質特異性から、それぞれ長さの異なるアルカンに生育するときに必要な酵素であると考えられる。このように同じ反応を行う酵素でも長さの異なる基質に対応して複数の酵素を持つことは、本菌においてすでにいくつかの事例(アルカンヒドロキシラーゼ、アルコール脱水素酵素、アルデヒド脱水素酵素)で発見しており、本菌が中鎖から極長鎖までのアルカンに生育する特性を酵素レベルで明らかにしたと言える。
    今後は本遺伝子の破壊株等の構築と、それを用いたアルカンからワックス生産への収率の増大を試みる。

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Class subject in charge

  • Applied Plant-Environmental Microbiology （2024academic year） Prophase  - その他

  • Plant Nutrition （2024academic year） Fourth semester  - 水1,水2

  • Seminar in Plant-Environmental Microbiology （2024academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2024academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2024academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2024academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2024academic year） Prophase  - その他

  • Plant-Virus/Bacteria Interactions （2024academic year） Prophase  - 木5～8

  • Advanced Study （2024academic year） Other  - その他

  • Applied Plant-Environmental Microbiology （2023academic year） Prophase  - その他

  • Applied Plant-Environmental Microbiology （2023academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2023academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2023academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2023academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2023academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2023academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2023academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2023academic year） Prophase  - その他

  • Plant-Virus/Bacteria Interactions （2023academic year） Prophase  - 木5～8

  • Plant-Virus/Bacteria Interactions （2023academic year） Prophase  - 木9～12

  • Advanced Study （2023academic year） Other  - その他

  • Specific Research of Bioresources Science （2023academic year） Year-round  - その他

  • Applied Plant-Environmental Microbiology （2022academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2022academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2022academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2022academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2022academic year） Prophase  - その他

  • Plant-Virus/Bacteria Interactions （2022academic year） Prophase  - 木9～12

  • Specific Research of Bioresources Science （2022academic year） Year-round  - その他

  • Applied Plant-Environmental Microbiology （2021academic year） Prophase  - その他

  • Plant Nutrition （2021academic year） Fourth semester  - 水1,水2

  • Seminar in Plant-Environmental Microbiology （2021academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2021academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2021academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2021academic year） Prophase  - その他

  • Plant-Virus/Bacteria Interactions （2021academic year） Prophase  - 木9～12

  • Specific Research of Bioresources Science （2021academic year） Year-round  - その他

  • Applied Plant-Environmental Microbiology （2020academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2020academic year） Prophase  - その他

  • Seminar in Plant-Environmental Microbiology （2020academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2020academic year） Late  - その他

  • Seminar in Plant-Environmental Microbiology （2020academic year） Prophase  - その他

  • Plant-Virus/Bacteria Interactions （2020academic year） Prophase  - その他

  • Specific Research of Bioresources Science （2020academic year） Year-round  - その他

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Social Activities

  • 倉敷清陵高校

    Role(s)：Advisor,　Demonstrator

    2022.7.27

  • 倉敷工業高校のスーパーエンバイロンメントスクール研究開発事業の助言

    Role(s)：Lecturer,　Advisor

    倉敷工業高校  2019.4.1 - 2022.3.31

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Academic Activities

  • Rice

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    2024.12.5

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    2024.4.30

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    2024.4.27

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    2024.4.25

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    2024.4.6

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  • J General and Applied Microbiology

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    2023.8.13

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    2023.6.15

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    2023.5.27

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    2023.5.7

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    2023.4.4

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  • Frontiers in Genetics

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    2023.3.10

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    2023.2.8

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    2022.12.29

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  • Environmental Science and Pollution Research

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    2022.12.26

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  • Frontiers in Ecology and Evolution International contribution

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    2022.12.25

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    Type：Peer review 

  • PeerJ

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    2022.12.21

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  • PeerJ

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    2022.12.21

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  • Frontiers in Ecology and Evolution

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    2022.11.25

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  • BBB International contribution

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    2022.10.26

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  • BBB minireview

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    2022.10.26

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  • BBB International contribution

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    2022.10.4

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    2022.10.4

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  • Czech Science Foundation International contribution

    Role(s)：Review, evaluation

    2022.6.21

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    Type：Scientific advice/Review 

  • Folia Microbiologica International contribution

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    2022.5.2

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  • Folia Microbiologica

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    2022.5.2

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  • Genome Biology and Evolution International contribution

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    2022.4.14

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  • Genome Biology and Evolution

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    2022.4.14

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  • 科研費「学術変革領域研究」の審査

    Role(s)：Review, evaluation

    文科省  2022.2.18

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  • J. Hazardous Materials International contribution

    Role(s)：Peer review

    2021.12.18

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  • J. Hazardous Materials

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    2021.12.18

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  • Frontiers in microbiology

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    2021.11.18

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  • Environmental microbiology

    Role(s)：Peer review

    2021.10.20

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  • Biology (MDPI)

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    2021.10.4

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  • JGAM

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    2021.9.10

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  • Icelandの科研費の審査 International contribution

    Role(s)：Review, evaluation

    Icelandの科研費の審査  2021.9.10

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  • BBB

    Role(s)：Peer review

    2021.7.3

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  • Food Science and Nutrition

    Role(s)：Peer review

    2021.5.15

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  • Environmental microbiology

    Role(s)：Peer review

    2021.3.29

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  • Microbes and Environments

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    2021.3.18

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  • Int J Mol Sci

    Role(s)：Peer review

    2021.2.27

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  • Journal of General and Applied Microbiology

    Role(s)：Peer review

    2021.2.10

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  • Microbes and Environments

    Role(s)：Peer review

    2021.2.9

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  • Microbes and Environments

    Role(s)：Peer review

    2020.11.21

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  • Icelandの科研費の審査 International contribution

    Role(s)：Review, evaluation

    Icelandの科研費の審査  2020.9.10

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  • Plants

    Role(s)：Peer review

    2020.7.23

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  • Microbes and Environments

    Role(s)：Peer review

    2020.7.2

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  • IJMS international journal of molecular sciences

    Role(s)：Peer review

    2020.6.27

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  • BBB

    Role(s)：Peer review

    2020.5.1

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  • Biomolecules

    Role(s)：Peer review

    2020.4.3

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  • BBB

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    2020.3.25

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  • Biomolecules

    Role(s)：Peer review

    2020.3.19

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  • BBB

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    2020.3.5

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  • BBB

    Role(s)：Peer review

    2019.12.17

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  • BBB

    Role(s)：Peer review

    2019.11.20

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  • Microbes and Environments

    Role(s)：Peer review

    2019.11.6

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  • Microbes and Environments

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    2019.10.21

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  • Environmental microbiology rep

    Role(s)：Peer review

    2019.10.16

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  • JGAM

    Role(s)：Peer review

    2019.10.12

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  • Archives of microbiology

    Role(s)：Peer review

    2019.10.1

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  • Microbes and environments

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    2019.9.2

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  • Archives of microbiology

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    2019.7.27

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  • Annals of Applied Biology

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    2019.7.13

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  • Metabolic engineering communications

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    2019.5.30

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  • BBB

    Role(s)：Peer review

    2019.4.10

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  • BBB

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    2019.3.24

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  • Agronomy

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    2019.3.7

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  • BBB

    Role(s)：Peer review

    2019.3.2

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  • IJSEM

    Role(s)：Peer review

    2019.1.14

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  • JGAM

    Role(s)：Peer review

    2018.11.6

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  • Agronomy

    Role(s)：Peer review

    2018.9.27

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  • JGAM

    Role(s)：Peer review

    2018.9.4

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  • Plant and Soil

    Role(s)：Peer review

    2018.8.20

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  • Songklanakarin J Sci Tech

    Role(s)：Peer review

    2018.6.21

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  • J Gen Apps Microbiol

    Role(s)：Peer review

    2018.6.11

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  • Songklanakarin J Sci Tech

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    2018.6.9

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  • SOJ Biochemistry Symbiosis Group

    Role(s)：Peer review

    2018.5.30

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  • IJSEM

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    2018.5.30

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  • Journal of General and Applied Microbiology

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    2018.4.12

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  • Microorganisms

    Role(s)：Peer review

    2018.3.29

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  • Rice

    Role(s)：Review, evaluation,　Peer review

    2018.3.28

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  • SOJ Biochemistry Symbiosis Group

    Role(s)：Peer review

    2018.2.13

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  • International Biodeterioration and Biodegradation

    Role(s)：Review, evaluation

    2018.1.4

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