Updated on 2025/09/30

写真a

 
GALIS Ivan
 
Organization
Scheduled update Professor
Position
Professor
Homepage
https://www.rib.okayama-u.ac.jp/PII/english/
External link

Degree

  • Doctor (Philosophy) ( 1996.6   University of South Bohemia (Czech Republic) )

Research Interests

  • 制御

  • insect

  • phytohormone

  • plant stress

  • defense

  • 植物ストレス 昆虫

  • 植物ホルモン

Research Areas

  • Life Science / Ecology and environment

  • Life Science / Plant molecular biology and physiology

Education

  • マサリク大学 (Masaryk University)   自然科学部 (Faculty of Natural Sciences)   植物生理学科 (Department of Plant Physiology)

    - 1989

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  • Masaryk University   Faculty of Natural Sciences   Department of Plant Physiology

    - 1989

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  • マサリク大学（Masaryk University）   自然科学研究学部 (Faculty of Natural Sciences)   植物生理学科 Department of Plant Physiology)

    - 1987

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  • Masaryk University   Faculty of Natural Sciences   Department of Plant Physiology

    - 1987

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Research History

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

    2011

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  • Group Leader, Max Planck Institute for Chemical Ecology

    2007 - 2011

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  • Researcher, RIKEN Plant Science Center

    2002 - 2007

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  • Researcher, Institute of Molecular BioSciences, Massey University

    2000 - 2002

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  • Researcher, Biotechnology Institute, Akita Prefectural College of Agriculture

    1997 - 2000

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  • Researcher,Institute of Plant Molecular Biology ASCR

    1996

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  • Research Assistant,Institute of Plant Molecular Biology ASCR

    1990 - 1996

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Professional Memberships

  • American Society of Plant Biologists

    2015.12

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  • The Japanese Society of Plant Physiologists

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  • International Society of Chemical Ecology

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Papers

  • Natural variation-based genetic screen in rice identifies the isopentylamine biosynthetic gene that modulates brown planthopper behaviour. Reviewed International journal

    T Aboshi, M Teraishi, I Galis, T Yoshikawa, T Shinya

    Plant biology (Stuttgart, Germany)   27 ( 5 )   873 - 882   2025.8

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

    We previously identified isopentylamine as a novel defence metabolite accumulated in rice (Oryza sativa L.) infested by brown planthoppers (BPHs, Nilaparvata lugens) and caterpillars, however the key biosynthetic gene(s) remained unknown. An analytical screen of genetically diverse rice cultivars was used to identify natural variation in isopentylamine production in rice, revealing that it can be produced at high levels in cv. Nipponbare but not in cv. Kasalath. Genetic approaches with chromosome fragment substitution lines and backcross inbred lines of Nipponbare and Kasalath were then used to identify genes potentially involved in biosynthesis of isopentylamine. The main candidate biosynthetic gene was knocked out with CRISPR/Cas9 to obtain three independent Nipponbare mutant lines, and correlations between gene function and isopentylamine were examined analytically. The gene Os10g0400500 was identified as the main biosynthetic gene for production of isopentylamine in rice. Furthermore, behavioural responses to isopentylamine in two-choice host assays were examined by placing BPHs in containers with mutant and wild-type Nipponbare leaves. Although BPHs were not always attracted to either wild-type or mutants, more BPHs, at least at some points, were found on the mutant leaves. Our results suggest that BPHs may show a preference for isopentylamine-deprived plants relative to wild types, which further corroborates the potential role of isopentylamine as defence against insect herbivores in chemically diverse rice species.

    DOI： 10.1111/plb.70041

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  • Bush Basil Companion Plants Act as Plant Defense Potentiators for Cultivated Plants Reviewed

    Sarira Rahimian, Rika Ozawa, Takuya Uemura, Ivan Galis, Gen-ichiro Arimura

    JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY   73 ( 28 )   17542 - 17549   2025.7

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

    DOI： 10.1021/acs.jafc.5c05179

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  • Spider mite tetranins elicit different defense responses in different host habitats Reviewed

    Yukiko Endo, Miku Tanaka, Takuya Uemura, Kaori Tanimura, Yoshitake Desaki, Rika Ozawa, Sara Bonzano, Massimo E. Maffei, Tomonori Shinya, Ivan Galis, Gen-ichiro Arimura

    PLANT JOURNAL   121 ( 5 )   2025.3

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

    DOI： 10.1111/tpj.70046

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  • Flower jasmonates control fertility but largely disconnect from defense metabolites in reproductive tissues of rice (Oryza sativa L.) Reviewed

    Kaori Fukumoto, Yuko Hojo, Hiroko Nakatani, David Wari, Tomonori Shinya, Ivan Galis

    Journal of Experimental Botany   76 ( 10 )   2846 - 2863   2025.2

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

    DOI： 10.1093/jxb/eraf073

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  • Chitin-signaling-dependent responses to insect oral secretions in rice cells propose the involvement of chitooligosaccharides in plant defense against herbivores Reviewed

    Yasukazu Kanda, Tomonori Shinya, David Wari, Yuko Hojo, Yuka Fujiwara, Wataru Tsuchiya, Zui Fujimoto, Bart P.H.J. Thomma, Yoko Nishizawa, Takashi Kamakura, Ivan Galis, Masaki Mori

    Plant Journal   121 ( e17157 )   2025.1

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    Authorship：Corresponding author   Publishing type：Research paper (scientific journal)  

    DOI： 10.1111/tpj.17157

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  • Comprehensive analysis of silicon impact on defense and metabolic responses in rice exposed to herbivory stress. Reviewed International journal

    Dandy Ahamefula Osibe, Yuko Hojo, Tomonori Shinya, Namiki Mitani-Ueno, Ivan Galis

    Frontiers in Plant Science   15   1399562 - 1399562   2024.5

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

    Silicon (Si) uptake is generally beneficial for plants that need protection from insect herbivores. In pursue of mechanisms involved in Si-mediated defense, we comprehensively explored the impact of Si on several defensive and metabolic traits in rice exposed to simulated and real herbivory of Mythimna loreyi Duponchel larvae. Hydroponic experiments showed that Si-deprived rice supplemented with Si 72 h prior to insect infestation were similarly resistant to larvae as plants continuously grown in Si-containing media. Both Si and herbivory altered primary metabolism in rice, including the levels of several sugars, amino acids, and organic acids. While the accumulation of sugars was generally positively correlated with Si presence, multiple amino acids showed a negative correlation trend with Si supplementation. The levels of secondary metabolites, including isopentylamine, p-coumaroylputrescine and feruloylputrescine, were typically higher in the leaves of Si-supplemented plants exposed to herbivory stress compared to Si-deprived plants. In addition, simulated herbivory treatment in Si-supplemented plants induced more volatile emissions relative to Si-deprived plants, which was consistent with the increased transcripts of key genes involved in volatile biosynthesis. In ecological interactions, Si alone did not affect the oviposition choice of M. loreyi but gravid females showed a significant preference for simulated herbivory-treated/Si-deprived compared to Si-supplemented plants. Our data suggest that apart from mechanical defense, Si may affect rice metabolism in multiple ways that might enhance/modulate defense responses of rice under herbivory stress.

    DOI： 10.3389/fpls.2024.1399562

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  • Glucosylation prevents autotoxicity of stress inducible DOPA in maize seedlings Reviewed

    Takako Aboshi, Kohei Ittou, Ivan Galis, Tomonori Shinya, Tetsuya Murayama

    Plant Growth Regulation   101 ( 1 )   159 - 167   2023.9

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    Publishing type：Research paper (scientific journal)  

    DOI： 10.1007/s10725-023-01009-w

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  • Comparative analysis of sorghum (C4) and rice (C3) plant headspace volatiles induced by artificial herbivory Reviewed

    Cyprian Osinde, Islam S. Sobhy, David Wari, Son Truong Dinh, Yuko Hojo, Dandy A. Osibe, Tomonori Shinya, Arthur K. Tugume, Anthony M. Nsubuga, Ivan Galis

    Plant Signaling & Behavior   ( e2243064 )   2023.8

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    Authorship：Corresponding author   Publishing type：Research paper (scientific journal)   Publisher：Informa UK Limited  

    DOI： 10.1080/15592324.2023.2243064

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  • BSR1, a Rice Receptor-like Cytoplasmic Kinase, Positively Regulates Defense Responses to Herbivory. Reviewed International journal

    Yasukazu Kanda, Tomonori Shinya, Satoru Maeda, Kadis Mujiono, Yuko Hojo, Keisuke Tomita, Kazunori Okada, Takashi Kamakura, Ivan Galis, Masaki Mori

    International Journal of Molecular Sciences   24 ( 12 )   10395   2023.6

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

    Crops experience herbivory by arthropods and microbial infections. In the interaction between plants and chewing herbivores, lepidopteran larval oral secretions (OS) and plant-derived damage-associated molecular patterns (DAMPs) trigger plant defense responses. However, the mechanisms underlying anti-herbivore defense, especially in monocots, have not been elucidated. The receptor-like cytoplasmic kinase Broad-Spectrum Resistance 1 (BSR1) of Oryza sativa L. (rice) mediates cytoplasmic defense signaling in response to microbial pathogens and enhances disease resistance when overexpressed. Here, we investigated whether BSR1 contributes to anti-herbivore defense responses. BSR1 knockout suppressed rice responses triggered by OS from the chewing herbivore Mythimna loreyi Duponchel (Lepidoptera: Noctuidae) and peptidic DAMPs OsPeps, including the activation of genes required for biosynthesis of diterpenoid phytoalexins (DPs). BSR1-overexpressing rice plants exhibited hyperactivation of DP accumulation and ethylene signaling after treatment with simulated herbivory and acquired enhanced resistance to larval feeding. As the biological significance of herbivory-induced accumulation of rice DPs remains unexplained, their physiological activities in M. loreyi were analyzed. The addition of momilactone B, a rice DP, to the artificial diet suppressed the growth of M. loreyi larvae. Altogether, this study revealed that BSR1 and herbivory-induced rice DPs are involved in the defense against chewing insects, in addition to pathogens.

    DOI： 10.3390/ijms241210395

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  • FLOURY ENDOSPERM 6 mutations enhance the sugary phenotype caused by the loss of ISOAMYLASE1 in barley Reviewed

    Ryo Matsushima, Hiroshi Hisano, Ivan Galis, Satoko Miura, Naoko Crofts, Yuto Takenaka, Naoko F. Oitome, Takeshi Ishimizu, Naoko Fujita, Kazuhiro Sato

    Theoretical and Applied Genetics   136 ( 4 )   94   2023.4

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    Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

    Abstract

    Key message

    Barley double mutants in two genes involved in starch granule morphology, HvFLO6 and HvISA1, had impaired starch accumulation and higher grain sugar levels than either single mutant.

    Abstract

    Starch is a biologically and commercially important glucose polymer synthesized by plants as semicrystalline starch granules (SGs). Because SG morphology affects starch properties, mutants with altered SG morphology may be useful in breeding crops with desirable starch properties, including potentially novel properties. In this study, we employed a simple screen for mutants with altered SG morphology in barley (Hordeum vulgare). We isolated mutants that formed compound SGs together with the normal simple SGs in the endosperm and found that they were allelic mutants of the starch biosynthesis genes ISOAMYLASE1 (HvISA1) and FLOURY ENDOSPERM 6 (HvFLO6), encoding starch debranching enzyme and CARBOHYDRATE-BINDING MODULE 48-containing protein, respectively. We generated the hvflo6 hvisa1 double mutant and showed that it had significantly reduced starch biosynthesis and developed shrunken grains. In contrast to starch, soluble α-glucan, phytoglycogen, and sugars accumulated to higher levels in the double mutant than in the single mutants. In addition, the double mutants showed defects in SG morphology in the endosperm and in the pollen. This novel genetic interaction suggests that hvflo6 acts as an enhancer of the sugary phenotype caused by hvisa1 mutation.

    DOI： 10.1007/s00122-023-04339-5

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    Other Link： https://link.springer.com/article/10.1007/s00122-023-04339-5/fulltext.html

  • Identification of quantitative trait loci associated with sorghum susceptibility to Asian stem borer damage Reviewed

    Cyprian Osinde, Wataru Sakamoto, Hiromi Kajiya-Kanegae, Islam S. Sobhy, Arthur K. Tugume, Anthony M. Nsubuga, Ivan Galis

    Journal of Plant Interactions   18 ( 1 )   2153182   2023

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    DOI： 10.1080/17429145.2022.2153182

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  • Sensing of herbivores by damaged self in plants Reviewed

    Shinya Tomonori, Kotake Toshihisa, Galis Ivan

    Japanese Journal of Pesticide Science   47 ( 2 )   74 - 77   2022.8

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    Authorship：Last author   Language：Japanese   Publisher：Pesticide Science Society of Japan  

    DOI： 10.1584/jpestics.w22-17

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  • Chitooligosaccharide elicitor and oxylipins synergistically elevate phytoalexin production in rice. Reviewed International journal

    Tomonori Shinya, Koji Miyamoto, Kenichi Uchida, Yuko Hojo, Emi Yumoto, Kazunori Okada, Hisakazu Yamane, Ivan Galis

    Plant Molecular Biology   109 ( 4-5 )   595 - 609   2022.7

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

    KEY MESSAGE: We show that in rice, the amino acid-conjugates of JA precursor, OPDA, may function as a non-canonical signal for the production of phytoalexins in coordination with the innate chitin signaling. The core oxylipins, jasmonic acid (JA) and JA-Ile, are well-known as potent regulators of plant defense against necrotrophic pathogens and/or herbivores. However, recent studies also suggest that other oxylipins, including 12-oxo-phytodienoic acid (OPDA), may contribute to plant defense. Here, we used a previously characterized metabolic defense marker, p-coumaroylputrescine (CoP), and fungal elicitor, chitooligosaccharide, to specifically test defense role of various oxylipins in rice (Oryza sativa). While fungal elicitor triggered a rapid production of JA, JA-Ile, and their precursor OPDA, rice cells exogenously treated with the compounds revealed that OPDA, rather than JA-Ile, can stimulate the CoP production. Next, reverse genetic approach and oxylipin-deficient rice mutant (hebiba) were used to uncouple oxylipins from other elicitor-triggered signals. It appeared that, without oxylipins, residual elicitor signaling had only a minimal effect but, in synergy with OPDA, exerted a strong stimulatory activity towards CoP production. Furthermore, as CoP levels were compromised in the OPDA-treated Osjar1 mutant cells impaired in the oxylipin-amino acid conjugation, putative OPDA-amino acid conjugates emerged as hypothetical regulators of CoP biosynthesis. Accordingly, we found several OPDA-amino acid conjugates in rice cells treated with exogenous OPDA, and OPDA-Asp was detected, although in small amounts, in the chitooligosaccharide-treated rice. However, as synthetic OPDA-Asp and OPDA-Ile, so far, failed to induce CoP in cells, it suggests that yet another presumed OPDA-amino acid form(s) could be acting as novel regulator(s) of phytoalexins in rice.

    DOI： 10.1007/s11103-021-01217-w

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  • The rice wound-inducible transcription factor RERJ1 sharing same signal transduction pathway with OsMYC2 is necessary for defense response to herbivory and bacterial blight Reviewed

    Ioana Valea, Atsushi Motegi, Naoko Kawamura, Koichi Kawamoto, Akio Miyao, Rika Ozawa, Junji Takabayashi, Kenji Gomi, Keiichirou Nemoto, Akira Nozawa, Tatsuya Sawasaki, Tomonori Shinya, Ivan Galis, Koji Miyamoto, Hideaki Nojiri, Kazunori Okada

    PLANT MOLECULAR BIOLOGY   109 ( 4-5 )   651 - 666   2022.7

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

    DOI： 10.1007/s11103-021-01186-0

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  • Sustained defense response via volatile signaling and its epigenetic transcriptional regulation. Reviewed International journal

    Haruki Onosato, Genya Fujimoto, Tomota Higami, Takuya Sakamoto, Ayaka Yamada, Takamasa Suzuki, Rika Ozawa, Sachihiro Matsunaga, Motoaki Seki, Minoru Ueda, Kaori Sako, Ivan Galis, Gen-Ichiro Arimura

    Plant Physiology   189 ( 2 )   922 - 933   2022.6

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    Plants perceive volatiles emitted from herbivore-damaged neighboring plants to urgently adapt or prime their defense responses to prepare for forthcoming herbivores. Mechanistically, these volatiles can induce epigenetic regulation based on histone modifications that alter the transcriptional status of defense genes, but little is known about the underlying mechanisms. To understand the roles of such epigenetic regulation of plant volatile signaling, we explored the response of Arabidopsis (Arabidopsis thaliana) plants to the volatile β-ocimene. Defense traits of Arabidopsis plants toward larvae of Spodoptera litura were induced in response to β-ocimene, through enriched histone acetylation and elevated transcriptional levels of defense gene regulators, including ethylene response factor genes (ERF8 and ERF104) in leaves. The enhanced defense ability of the plants was maintained for 5 d but not over 10 d after exposure to β-ocimene, and this coincided with elevated expression of those ERFs in their leaves. An array of histone acetyltransferases, including HAC1, HAC5, and HAM1, were responsible for the induction and maintenance of the anti-herbivore property. HDA6, a histone deacetylase, played a role in the reverse histone remodeling. Collectively, our findings illuminate the role of epigenetic regulation in plant volatile signaling.

    DOI： 10.1093/plphys/kiac077

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  • Integrated view of plant metabolic defense with particular focus on chewing herbivores Invited Reviewed

    David Wari, Takako Aboshi, Tomonori Shinya, Ivan Galis

    JOURNAL OF INTEGRATIVE PLANT BIOLOGY   64 ( 2 )   449 - 475   2022.2

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    Authorship：Corresponding author   Language：English  

    DOI： 10.1111/jipb.13204

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  • Phytohormone elicitation in maize by oral secretions of specialist Mythimna separata and generalist Spodoptera litura Reviewed

    Miki Morita, Yukiyo Yamasaki, Tomonori Shinya, Ivan Galis, Gen-ichiro Arimura

    Journal of Plant Interactions   16 ( 1 )   587 - 590   2021.12

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    Language：English   Publishing type：Research paper (scientific journal)   Publisher：Informa UK Limited  

    DOI： 10.1080/17429145.2021.2006334

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  • Phytohormone-dependent plant defense signaling orchestrated by oral bacteria of the herbivore Spodoptera litura Reviewed

    Yukiyo Yamasaki, Hiroka Sumioka, Mayu Takiguchi, Takuya Uemura, Yuka Kihara, Tomonori Shinya, Ivan Galis, Gen-Ichiro Arimura

    NEW PHYTOLOGIST   231 ( 5 )   2029 - 2038   2021.9

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

    DOI： 10.1111/nph.17444

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  • Single and Combined Salinity and Heat Stresses Impact Yield and Dead Pericarp Priming Activity Reviewed

    Bupur Swetha, Jeevan R. Singiri, Nurit Novoplansky, Rohith Grandhi, Jansirani Srinivasan, Janardan Khadka, Ivan Galis, Gideon Grafi

    PLANTS-BASEL   10 ( 8 )   2021.8

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

    DOI： 10.3390/plants10081627

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  • Herbivore-induced and constitutive volatiles are controlled by different oxylipin-dependent mechanisms in rice. Reviewed International journal

    Kadis Mujiono, Tilisa Tohi, Islam S Sobhy, Yuko Hojo, Tomonori Shinya, Ivan Galis

    Plant, Cell & Environment   44 ( 8 )   2687 - 2699   2021.8

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

    Despite the importance of volatile organic compounds (VOCs) for plants, control mechanisms for their basal and stress-induced biosynthesis and release remain unclear. We sampled and characterized headspace and internal leaf volatile pools in rice (Oryza sativa), after a simulated herbivory treatment, which triggers an endogenous jasmonate burst. Certain volatiles, such as linalool, were strongly upregulated by simulated herbivory stress. In contrast, other volatiles, such as β-caryophyllene, were constitutively emitted and fluctuated according to time of day. Transcripts of the linalool synthase gene transiently increased 1-3 h after exposure of rice to simulated herbivory, whereas transcripts of caryophyllene synthase peaked independently at dawn. Unexpectedly, although emission and accumulation patterns of rice inducible and constitutive VOCs were substantially different, both groups of volatiles were compromised in jasmonate-deficient hebiba mutants, which lack the allene oxide cyclase (AOC) gene. This suggests that rice employs at least two distinct oxylipin-dependent mechanisms downstream of AOC to control production of constitutive and herbivore-induced volatiles. Levels of the JA precursor, 12-oxo-phytodienoic acid (OPDA), were correlated with constitutive volatile levels suggesting that OPDA or its derivatives could be involved in control of volatile emission in rice.

    DOI： 10.1111/pce.14126

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  • Lysine Ketoglutarate Reductase Trans-Splicing Related 1 Is Involved In A Temperature-Dependent Root Growth in Rice. Reviewed International journal

    En Yu, Naoki Yamaji, Keiich Mochida, Ivan Galis, Kanatani Asaka, Jian Feng Ma

    Journal of experimental botany   72 ( 18 )   6336 - 6349   2021.5

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    Root length is one of the important parameters of root traits directly related to uptake of water and nutrients, however, the molecular mechanisms controlling root length are still not fully understood. Here, we isolated a mutant, dice2 (defective in cell elongation 2) of rice (Oryza sativa) showing short roots. The cell length and meristem size of the roots was decreased in the mutant, but the root function in mineral element uptake normalized by root biomass, root cell width and root anatomy was hardly altered compared with the wild-type rice (WT). Intriguingly, the root growth defect in the mutant could be partially rescued by high temperature. The mutant accumulated more H2O2 and glutamic acid, but less O2  •- in the roots at low temperature than WT, but they became similar at high temperature between two lines. A map-based cloning combined with complementation test revealed that the short-root phenotype was caused by a nucleotide substitution of a gene, which was annotated to encode Lysine Ketoglutarate Reductase Trans-Splicing related 1 (OsLKRT1). OsLKRT1 encodes a cytosol-localized protein and was expressed in both the roots and shoots. Furthermore, OsLKRT1 was expressed in all cells of the root tip and root elongation regions. RNA-seq analysis showed that there was no difference in the expression level of genes involved in root development identified so far. These results indicate that the gene identified in this study is involved in novel pathway required for cell elongation of the roots in rice although its exact role remains to be further investigated.

    DOI： 10.1093/jxb/erab240

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  • Deciphering OPDA Signaling Components in the Momilactone-Producing Moss Calohypnum plumiforme Reviewed

    Hideo Inagaki, Koji Miyamoto, Noriko Ando, Kohei Murakami, Koki Sugisawa, Shion Morita, Emi Yumoto, Miyu Teruya, Kenichi Uchida, Nobuki Kato, Takuya Kaji, Yousuke Takaoka, Yuko Hojo, Tomonori Shinya, Ivan Galis, Akira Nozawa, Tatsuya Sawasaki, Hideaki Nojiri, Minoru Ueda, Kazunori Okada

    FRONTIERS IN PLANT SCIENCE   12   2021.5

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

    DOI： 10.3389/fpls.2021.688565

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  • Isopentylamine is a novel defence compound induced by insect feeding in rice Reviewed

    Takako Aboshi, Chiaki Iitsuka, Ivan Galis, Masayoshi Teraishi, Marina Kamo, Ayami Nishimura, Atsushi Ishihara, Naoki Mori, Tetsuya Murayama

    PLANT CELL AND ENVIRONMENT   44 ( 1 )   247 - 256   2021.1

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

    DOI： 10.1111/pce.13902

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  • Extreme drought alters progeny dispersal unit properties of winter wild oat (Avena sterilis L.) Reviewed

    Buzi Raviv, Janardan Khadka, Bupur Swetha, Jeevan R. Singiri, Rohith Grandhi, Eliyahu Shapira, Nurit Novoplansky, Yitzchak Gutterman, Ivan Galis, Marcelo Sternberg, Gideon Grafi

    PLANTA   252 ( 5 )   2020.10

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

    DOI： 10.1007/s00425-020-03491-2

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  • Phosphatidylinositol-phospholipase C2 regulates pattern-triggered immunity in Nicotiana benthamiana. Reviewed International journal

    Akinori Kiba, Masahito Nakano, Miki Hosokawa, Ivan Galis, Hiroko Nakatani, Tomonori Shinya, Kouhei Ohnishi, Yasufumi Hikichi

    Journal of experimental botany   71 ( 16 )   5027 - 5038   2020.8

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    Phospholipid signaling plays an important role in plant immune responses against phytopathogenic bacteria in Nicotiana benthamiana. Here, we isolated two phospholipase C2 (PLC2) orthologs in the N. benthamiana genome, designated as PLC2-1 and 2-2. Both NbPLC2-1 and NbPLC2-2 were expressed in most tissues and were induced by infiltration with bacteria and flg22. NbPLC2-1 and NbPLC2-2 (NbPLC2s) double-silenced plants showed a moderately reduced growth phenotype. The induction of the hypersensitive response was not affected, but bacterial growth and the appearance of bacterial wilt were accelerated in NbPLC2s-silenced plants when they were challenged with a virulent strain of Ralstonia solanacearum that was compatible with N. benthamiana. NbPLC2s-silenced plants showed reduced expression levels of NbPR-4, a marker gene for jasmonic acid signaling, and decreased jasmonic acid and jasmonoyl-L-isoleucine contents after inoculation with R. solanacearum. The induction of pathogen-associated molecular pattern (PAMP)-triggered immunity (PTI) marker genes was reduced in NbPLC2s-silenced plants after infiltration with R. solanacearum or Pseudomonas fluorescens. Accordingly, the resistance induced by flg22 was compromised in NbPLC2s-silenced plants. In addition, the expression of flg22-induced PTI marker genes, the oxidative burst, stomatal closure, and callose deposition were all reduced in the silenced plants. Thus, NbPLC2s might have important roles in pre- and post-invasive defenses, namely in the induction of PTI.

    DOI： 10.1093/jxb/eraa233

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  • Ethylene functions as a suppressor of volatile production in rice. Reviewed International journal

    Kadis Mujiono, Tilisa Tohi, Islam S Sobhy, Yuko Hojo, Nhan Thanh Ho, Tomonori Shinya, Ivan Galis

    Journal of Experimental Botany   71 ( 20 )   6491 - 6511   2020.7

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

    We examined the role of ethylene in the production of rice (Oryza sativa) volatile organic compounds (VOCs), which act as indirect defense signals against herbivores in tritrophic interactions. Rice plants were exposed to exogenous ethylene (1 ppm) after simulated herbivory which consisted of mechanical wounds supplemented with the oral secretions (WOS) from the generalist herbivore larvae, Mythimna loreyi. Ethylene treatment highly suppressed VOCs in WOS-treated rice leaves, which was further corroborated by the reduced transcript levels of major VOC biosynthesis genes in ethylene-treated rice. In contrast, the accumulation of jasmonates (JA), known to control the VOCs in higher plants, and transcript levels of primary JA response genes, including OsMYC2, were not largely affected by ethylene application. At the functional level, flooding that is known to promote internode elongation in the young rice via ethylene signaling, consistent with the negative role of ethylene, suppressed the accumulation of VOCs in water-submerged rice leaves. Furthermore, in the maturing stage rice that naturally produced less volatiles, VOCs could be rescued by the application of ethylene perception inhibitor, 1-methylcyclopropene (1-MCP). Our data suggest that ethylene acts as an endogenous suppressor of VOCs in rice that applies to both plant stress responses and development.

    DOI： 10.1093/jxb/eraa341

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  • Maternal environment alters dead pericarp biochemical properties of the desert annual plant Anastatica hierochuntica L. Reviewed

    Janardan Khadka, Buzi Raviv, Bupur Swetha, Rohith Grandhi, Jeevan R. Singiri, Nurit Novoplansky, Yitzchak Gutterman, Ivan Galis, Zhenying Huang, Gideon Grafi

    PLOS ONE   15 ( 7 )   2020.7

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  • Nonglandular silicified trichomes are essential for rice defense against chewing herbivores Reviewed

    Joackin B. Andama, Kadis Mujiono, Yuko Hojo, Tomonori Shinya, Ivan Galis

    PLANT CELL AND ENVIRONMENT   43   2019 - 2032   2020.5

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    DOI： 10.1111/pce.13775

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  • Evidence that ERF transcriptional regulators serve as possible key molecules for natural variation in defense against herbivores in tall goldenrod. Reviewed International journal

    Kento Takafuji, Hojun Rim, Kentaro Kawauchi, Kadis Mujiono, Saki Shimokawa, Yoshino Ando, Kaori Shiojiri, Ivan Galis, Gen-Ichiro Arimura

    Scientific reports   10 ( 1 )   5352 - 5352   2020.3

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    We collected Solidago altissima clones to explore their leaf damage resistance, and as a result identified five accessions that exhibited variable defense abilities against the generalist herbivore Spodoptera litura. In order to characterize molecules involved in such natural variation, we focused on ethylene response factors (ERFs) that exhibited distinct transcription patterns in the leaves of the five accessions (e.g., S1 and S2) after wounding: the transcript of SaERF1 and SaERF2 was induced in wounded S1 and S2 leaves, respectively. Although transcription levels of SaERFs in leaves of the five accessions did not correlate with the accessions' phytohormone levels, these transcription levels accorded with the possibility that ethylene and jasmonate signaling play crucial roles in wound-induced transcription of SaERF1 in S1 leaves, and SaERF2 in S2 leaves, respectively. SaERF1 was found to be a positive regulator of the GCC box and DRE element in the upstream regions of promoters of defense genes, whereas SaERF2 served as a negative regulator of genes controlled through the GCC box. Transgenic Arabidopsis plants expressing SaERF1 or SaERF2 showed enhanced and suppressed transcript levels, respectively, of a defensin gene, indicating that ERFs may be partly responsible for herbivore resistance properties of S. altissima accessions.

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  • Silencing of phosphoinositide dependent protein kinase orthologs reduces hypersensitive cell death in Nicotiana benthamiana Reviewed

    Kiba Akinori, Fukui Kotoko, Mitani Maki, Galis Ivan, Hojo Yuko, Shinya Tomonori, Ohnishi Kouhei, Hikichi Yasufumi

    Plant Biotechnology   37 ( 3 )   363 - 367   2020

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    <p>Phosphatidic acid plays an important role in plant immune responses against phytopathogenic bacteria in Nicotiana benthamiana. Here we focused on phosphoinositide dependent protein kinases (PDKs) as a candidate required for phosphatidic acid signaling. Based on Arabidopsis PDK sequences, we identified four putative PDK orthologs in N. benthamiana genome. To address the role of PDKs in plant defense responses, we created all four NbPDKs-silenced plants by virus-induced gene silencing. the NbPDKs-silenced plants showed a moderately reduced growth phenotype. Induction of hypersensitive cell death was compromised in the NbPDKs-silenced plants challenged with Ralstonia solanacearum. The hypersensitive cell death induced by bacterial effectors was also reduced in the NbPDKs-silenced plants. the NbPDKs-silenced plants showed decreased production of salicylic acid, jasmonic acid and jasmonoyl-L-isoleucine, as well as hydrogen peroxide after inoculation with R. solanacearum. These results suggest that NbPDKs might have an important role in the regulation of the hypersensitive cell death via plant hormone signaling and oxidative burst.</p>

    DOI： 10.5511/plantbiotechnology.20.0511b

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  • Soy and Arabidopsis receptor-like kinases respond to polysaccharide signals from Spodoptera species and mediate herbivore resistance Reviewed International journal

    Takuya Uemura, Masakazu Hachisu, Yoshitake Desaki, Ayaka Ito, Ryosuke Hoshino, Yuka Sano, Akira Nozawa, Kadis Mujiono, Ivan Galis, Ayako Yoshida, Keiichirou Nemoto, Shigetoshi Miura, Makoto Nishiyama, Chiharu Nishiyama, Shigeomi Horito, Tatsuya Sawasaki, Gen-ichiro Arimura

    Communications Biology   3 ( 1 )   224 - 224   2020

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    Plants respond to herbivory by perceiving herbivore danger signal(s) (HDS(s)), including "elicitors", that are present in herbivores' oral secretions (OS) and act to induce defense responses. However, little is known about HDS-specific molecules and intracellular signaling. Here we explored soybean receptor-like kinases (RLKs) as candidates that might mediate HDS-associated RLKs' (HAKs') actions in leaves in response to OS extracted from larvae of a generalist herbivore, Spodoptera litura. Fractionation of OS yielded Frα, which consisted of polysaccharides. The GmHAKs composed of their respective homomultimers scarcely interacted with Frα. Moreover, Arabidopsis HAK1 homomultimers interacted with cytoplasmic signaling molecule PBL27, resulting in herbivory resistance, in an ethylene-dependent manner. Altogether, our findings suggest that HAKs are herbivore-specific RLKs mediating HDS-transmitting, intracellular signaling through interaction with PBL27 and the subsequent ethylene signaling for plant defense responses in host plants.

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  • Tetranins: new putative spider mite elicitors of host plant defense Reviewed

    Junya Iida, Yoshitake Desaki, Kumiko Hata, Takuya Uemura, Ayano Yasuno, Monirul Islam, Massimo E. Maffei, Rika Ozawa, Tadaaki Nakajima, Ivan Galis, Gen-ichiro Arimura

    New Phytologist   224 ( 2 )   875 - 885   2019.10

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    DOI： 10.1111/nph.15813

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

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

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

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  • Low temperature storage stimulates fruit softening and sugar accumulation without ethylene and aroma volatile production in kiwifruit Reviewed

    Oscar W. Mitalo, Sumire Tokiwa, Yuki Kondo, Takumi Otsuki, Ivan Galis, Katsuhiko Suezawa, Ikuo Kataoka, Anh T. Doan, Ryohei Nakano, Koichiro Ushijima, Yasutaka Kubo

    Frontiers in Plant Science   10   2019.7

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    DOI： 10.3389/fpls.2019.00888

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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

  • Integration of danger peptide signals with herbivore-associated molecular pattern signaling amplifies anti-herbivore defense responses in rice. Reviewed International journal

    Tomonori Shinya, Shigetaka Yasuda, Kiwamu Hyodo, Rena Tani, Yuko Hojo, Yuka Fujiwara, Kei Hiruma, Takuma Ishizaki, Yasunari Fujita, Yusuke Saijo, Ivan Galis

    The Plant journal   94 ( 4 )   626 - 637   2018.5

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    Plant defense against herbivores is modulated by herbivore-associated molecular patterns (HAMPs) from oral secretions (OS) and/or saliva of insects. Furthermore, feeding wounds initiate plant self-damage responses modulated by danger-associated molecular patterns (DAMPs) such as immune defense-promoting plant elicitor peptides (Peps). While temporal and spatial co-existence of both patterns during herbivory implies a possibility of their close interaction, the molecular mechanisms remain undetermined. Here we report that exogenous application of rice (Oryza sativa) peptides (OsPeps) can elicit multiple defense responses in rice cell cultures. Specific activation of OsPROPEP3 gene transcripts in rice leaves by wounding and OS treatments further suggests a possible involvement of the OsPep3 peptide in rice-herbivore interactions. Correspondingly, we found that simultaneous application of OsPep3 and Mythimna loreyi OS significantly amplifies an array of defense responses in rice cells, including mitogen-activated protein kinase activation, and generation of defense-related hormones and metabolites. The induction of OsPROPEP3/4 by OsPep3 points to a positive auto-feedback loop in OsPep signaling which may contribute to additional enhancement of defense signal(s). Finally, the overexpression of the OsPep receptor OsPEPR1 increases the sensitivity of rice plants not only to the cognate OsPeps but also to OS signals. Our findings collectively suggest that HAMP-DAMP signal integration provides a critical step in the amplification of defense signaling in plants.

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  • Phosphoinositide 3-kinase participates in L-methionine sulfoximine-induced cell death via salicylic acid mediated signaling in Nicotiana benthamiana Reviewed

    Sayuri Sumida, Makoto Ito, Ivan Galis, Hiroko Nakatani, Tomonori Shinya, Kouhei Ohnishi, Yasufumi Hikichi, Akinori Kiba

    JOURNAL OF PLANT PHYSIOLOGY   218   167 - 170   2017.11

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  • Oral Secretions Affect HIPVs Induced by Generalist (Mythimna loreyi) and Specialist (Parnara guttata) Herbivores in Rice Reviewed

    Islam S. Sobhy, Atsushi Miyake, Tomonori Shinya, Ivan Galis

    JOURNAL OF CHEMICAL ECOLOGY   43 ( 9 )   929 - 943   2017.9

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    DOI： 10.1007/s10886-017-0882-4

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  • Rapid defense responses in maize leaves induced by Spodoptera exigua caterpillar feeding Reviewed

    Vered Tzin, Yuko Hojo, Susan R. Strickler, Lee J. Bartsch, Cairo M. Archer, Kevin R. Ahern, Shaoqun Zhou, Shawn A. Christensen, Ivan Galis, Lukas A. Mueller, Georg Jander

    JOURNAL OF EXPERIMENTAL BOTANY   68 ( 16 )   4709 - 4723   2017.7

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    DOI： 10.1093/jxb/erx274

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  • Two Members of the Aluminum-Activated Malate Transporter Family, SlALMT4 and SlALMT5, are Expressed during Fruit Development, and the Overexpression of SlALMT5 Alters Organic Acid Contents in Seeds in Tomato (Solanum lycopersicum) Reviewed

    Takayuki Sasaki, Yoshiyuki Tsuchiya, Michiyo Ariyoshi, Ryohei Nakano, Koichiro Ushijima, Yasutaka Kubo, Izumi C. Mori, Emi Higashiizumi, Ivan Galis, Yoko Yamamoto

    PLANT AND CELL PHYSIOLOGY   57 ( 11 )   2367 - 2379   2016.11

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    DOI： 10.1093/pcp/pcw157

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  • Molecular evidence for biochemical diversification of phenolamide biosynthesis in rice plants Reviewed

    Kimiaki Tanabe, Yuko Hojo, Tomonori Shinya, Ivan Galis

    JOURNAL OF INTEGRATIVE PLANT BIOLOGY   58 ( 11 )   903 - 913   2016.11

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    DOI： 10.1111/jipb.12480

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  • Modulation of plant defense responses to herbivores by simultaneous recognition of different herbivore-associated elicitors in rice Reviewed

    Tomonori Shinya, Yuko Hojo, Yoshitake Desaki, John T. Christeller, Kazunori Okada, Naoto Shibuya, Ivan Galis

    SCIENTIFIC REPORTS   6   32537   2016.9

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    DOI： 10.1038/srep32537

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  • Silencing of Nicotiana benthamiana SEC14 phospholipid transfer protein reduced jasmonic acid dependent defense against Pseudomonas syringae Reviewed

    Akinori Kiba, Yu Imanaka, Masahito Nakano, Ivan Galis, Yuko Hojo, Tomonori Shinya, Kouhei Ohnishi, Yasufumi Hikichi

    PLANT BIOTECHNOLOGY   33 ( 2 )   111 - 115   2016.6

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  • Systematic analysis of rice (Oryza sativa) metabolic responses to herbivory Reviewed

    Kabir Md Alamgir, Yuko Hojo, John T. Christeller, Kaori Fukumoto, Ryutaro Isshiki, Tomonori Shinya, Ian T. Baldwin, Ivan Galis

    PLANT CELL AND ENVIRONMENT   39 ( 2 )   453 - 466   2016.2

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    DOI： 10.1111/pce.12640

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  • Using 2-deoxy-2-[18F]fluoro-D-glucose ([18F]FDG) to study carbon allocation in plants after herbivore attack Reviewed

    Stefan Meldau, Melkamu G. Woldemariam, Amol Fatangare, Ales Svatos, Ivan Galis

    BMC Research Notes   8 ( 1 )   1 - 9   2015

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    DOI： 10.1186/s13104-015-0989-z

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  • alpha-Linolenic acid concentration and not wounding per se is the key regulator of octadecanoid (oxylipin) pathway activity in rice (Oryza sativa L.) leaves Reviewed

    John T. Christeller, Ivan Galis

    PLANT PHYSIOLOGY AND BIOCHEMISTRY   83   117 - 125   2014.10

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  • Overexpression of the PAP1 Transcription Factor Reveals a Complex Regulation of Flavonoid and Phenylpropanoid Metabolism in Nicotiana tabacum Plants Attacked by Spodoptera litura Reviewed

    Tomoko Mitsunami, Masahiro Nishihara, Ivan Galis, Kabir Md Alamgir, Yuko Hojo, Kohei Fujita, Nobuhiro Sasaki, Keichiro Nemoto, Tatsuya Sawasaki, Gen-ichiro Arimura

    PLOS ONE   9 ( 9 )   e108849-e108849   2014.9

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  • Intake and transformation to a glycoside of (Z)-3-hexenol from infested neighbors reveals a mode of plant odor reception and defense Reviewed

    Koichi Sugimoto, Kenji Matsui, Yoko Iijima, Yoshihiko Akakabe, Shoko Muramoto, Rika Ozawa, Masayoshi Uefune, Ryosuke Sasaki, Kabir Md. Alamgir, Shota Akitake, Tatsunori Nobuke, Ivan Galis, Koh Aoki, Daisuke Shibata, Junji Takabayashi

    PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA   111 ( 19 )   7144 - 7149   2014.5

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  • SEC14 Phospholipid Transfer Protein Is Involved in Lipid Signaling-Mediated Plant Immune Responses in Nicotiana benthamiana Reviewed

    Akinori Kiba, Ivan Galis, Yuko Hojo, Kouhei Ohnishi, Hirofumi Yoshioka, Yasufumi Hikichi

    PLOS ONE   9 ( 5 )   e98150-e98150   2014.5

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  • Farinose flavonoids are associated with high freezing tolerance in fairy primrose (Primula malacoides) plants Reviewed

    Ryutaro Isshiki, Ivan Galis, Shigemi Tanakamaru

    JOURNAL OF INTEGRATIVE PLANT BIOLOGY   56 ( 2 )   181 - 188   2014.2

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  • Jasmonoyl-L-isoleucine hydrolase 1 (JIH1) contributes to a termination of jasmonate signaling in Nicotiana attenuata Reviewed

    Melkamu G. Woldemariam, Ivan Galis, Ian T. Baldwin

    Plant Signaling and Behavior   9   e28973-e28973   2014

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  • Multiple interactions of NaHER1 protein with abscisic acid signaling in Nicotiana attenuate plants Reviewed

    Son Truong Dinh, Ian T. Baldwin, Ivan Gális

    Plant Signaling and Behavior   8 ( 11 )   e26365-e26365   2013.9

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  • The HERBIVORE ELICITOR-REGULATED1 gene enhances abscisic acid levels and defenses against herbivores in Nicotiana attenuata plants Reviewed

    Son Truong Dinh, Ian T. Baldwin, Ivan Galis

    Plant Physiology   162 ( 4 )   2106 - 2124   2013.8

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  • Response of Rice to Insect Elicitors and the Role of OsJAR1 in Wound and Herbivory-Induced JA-Ile Accumulation Reviewed

    Kaori Fukumoto, Kabir Md Alamgir, Yuko Yamashita, Izumi C. Mori, Hideyuki Matsuura, Ivan Galis

    JOURNAL OF INTEGRATIVE PLANT BIOLOGY   55 ( 8 )   775 - 784   2013.8

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    DOI： 10.1111/jipb.12057

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  • NaMYC2 transcription factor regulates a subset of plant defense responses in Nicotiana attenuata Reviewed

    Melkamu G. Woldemariam, Son Truong Dinh, Youngjoo Oh, Emmanuel Gaquerel, Ian T. Baldwin, Ivan Galis

    BMC PLANT BIOLOGY   13   73   2013.5

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  • Silencing an N-Acyltransferase-Like Involved in Lignin Biosynthesis in Nicotiana attenuata Dramatically Alters Herbivory-Induced Phenolamide Metabolism Reviewed

    Emmanuel Gaquerel, Hemlata Kotkar, Nawaporn Onkokesung, Ivan Galis, Ian T. Baldwin

    PLOS ONE   8 ( 5 )   e62336   2013.5

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  • UVB radiation and 17-hydroxygeranyllinalool diterpene glycosides provide durable resistance against mirid (Tupiocoris notatus) attack in field-grown Nicotiana attenuata plants Reviewed

    So'n Tru'o'ng Dinh, Ivan Galis, Ian T. Baldwin

    PLANT CELL AND ENVIRONMENT   36 ( 3 )   590 - 606   2013.3

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  • A Jasmonate ZIM-Domain Protein NaJAZd Regulates Floral Jasmonic Acid Levels and Counteracts Flower Abscission in Nicotiana attenuata Plants Reviewed

    Youngjoo Oh, Ian T. Baldwin, Ivan Galis

    PLOS ONE   8 ( 2 )   e57868   2013.2

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  • Jasmonoyl-l-isoleucine hydrolase 1 (JIH1) regulates jasmonoyl-l-isoleucine levels and attenuates plant defenses against herbivores Reviewed

    Melkamu G. Woldemariam, Nawaporn Onkokesung, Ian T. Baldwin, Ivan Galis

    PLANT JOURNAL   72 ( 5 )   758 - 767   2012.12

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  • Alternative Oxidase in Resistance to Biotic Stresses: Nicotiana attenuata AOX Contributes to Resistance to a Pathogen and a Piercing-Sucking Insect But Not Manduca sexta Larvae Reviewed

    Lu Zhang, Youngjoo Oh, Hongyu Li, Ian T. Baldwin, Ivan Galis

    PLANT PHYSIOLOGY   160 ( 3 )   1453 - 1467   2012.11

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  • Environmental Stresses of Field Growth Allow Cinnamyl Alcohol Dehydrogenase-Deficient Nicotiana attenuata Plants to Compensate for their Structural Deficiencies Reviewed

    Harleen Kaur, Kamel Shaker, Nicolas Heinzel, John Ralph, Ivan Galis, Ian T. Baldwin

    PLANT PHYSIOLOGY   159 ( 4 )   1545 - 1570   2012.8

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  • NaJAZh Regulates a Subset of Defense Responses against Herbivores and Spontaneous Leaf Necrosis in Nicotiana attenuata Plants Reviewed

    Youngjoo Oh, Ian T. Baldwin, Ivan Galis

    PLANT PHYSIOLOGY   159 ( 2 )   769 - +   2012.6

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  • MYB8 Controls Inducible Phenolamide Levels by Activating Three Novel Hydroxycinnamoyl-Coenzyme A:Polyamine Transferases in Nicotiana attenuata Reviewed

    Nawaporn Onkokesung, Emmanuel Gaquerel, Hemlata Kotkar, Harleen Kaur, Ian T. Baldwin, Ivan Galis

    PLANT PHYSIOLOGY   158 ( 1 )   389 - 407   2012.1

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  • EOBII Controls Flower Opening by Functioning as a General Transcriptomic Switch Reviewed

    Thomas A. Colquhoun, Michael L. Schwieterman, Ashlyn E. Wedde, Bernardus C. J. Schimmel, Danielle M. Marciniak, Julian C. Verdonk, Joo Young Kim, Youngjoo Oh, Ivan Galis, Ian T. Baldwin, David G. Clark

    PLANT PHYSIOLOGY   156 ( 2 )   974 - 984   2011.6

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  • Transcriptional regulation of plant inducible defenses against herbivores: a mini-review Reviewed

    Melkamu G. Woldemariam, Ian T. Baldwin, Ivan Galis

    JOURNAL OF PLANT INTERACTIONS   6 ( 2-3 )   113 - 119   2011

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  • Jasmonic Acid and Ethylene Modulate Local Responses to Wounding and Simulated Herbivory in Nicotiana attenuata Leaves Reviewed

    Nawaporn Onkokesung, Ivan Galis, Caroline C. von Dahl, Ken Matsuoka, Hans-Peter Saluz, Ian T. Baldwin

    PLANT PHYSIOLOGY   153 ( 2 )   785 - 798   2010.6

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  • R2R3-NaMYB8 Regulates the Accumulation of Phenylpropanoid-Polyamine Conjugates, Which Are Essential for Local and Systemic Defense against Insect Herbivores in Nicotiana attenuata Reviewed

    Harleen Kaur, Nicolas Heinzel, Mathias Schoettner, Ian T. Baldwin, Ivan Galis

    PLANT PHYSIOLOGY   152 ( 3 )   1731 - 1747   2010.3

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  • Enhanced fluorescence imaging in chlorophyll-suppressed tobacco tissues using virus-induced gene silencing of the phytoene desaturase gene Reviewed

    Lu Zhang, Klaus Gase, Ian T. Baldwin, Ivan Galis

    BIOTECHNIQUES   48 ( 2 )   125 - 129   2010.2

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  • The role of jasmonic acid and ethylene crosstalk in direct defense of Nicotiana attenuata plants against chewing herbivores

    Onkokesung N, Baldwin IT, Galis I

    Plant Signaling & Behavior   5 ( 10 )   1305 - 1307   2010

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  • New insights into mechanisms regulating differential accumulation of phenylpropanoid-polyamine conjugates (PPCs) in herbivore-attacked Nicotiana attenuata plants

    Galis I, Onkokesung N, Baldwin IT

    Plant Signaling & Behavior   5 ( 5 )   610 - 613   2010

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  • Molecular mechanisms underlying plant memory in JA-mediated defence responses Reviewed

    Ivan Galis, Emmanuel Gaquerel, Shree P. Pandey, Ian T. Baldwin

    PLANT CELL AND ENVIRONMENT   32 ( 6 )   617 - 627   2009.6

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  • Preferential Up-Regulation of G2/M Phase-Specific Genes by Overexpression of the Hyperactive Form of NtmybA2 Lacking Its Negative Regulation Domain in Tobacco BY-2 Cells Reviewed

    Kiichi Kato, Ivan Galis, Shiori Suzuki, Satoshi Araki, Taku Demura, Marie-Claire Criqui, Thomas Potuschak, Pascal Genschik, Hiroo Fukuda, Ken Matsuoka, Masaki Ito

    PLANT PHYSIOLOGY   149 ( 4 )   1945 - 1957   2009.4

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    DOI： 10.1104/pp.109.135582

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  • An Ecological Analysis of the Herbivory-Elicited JA Burst and Its Metabolism: Plant Memory Processes and Predictions of the Moving Target Model Reviewed

    William Stork, Celia Diezel, Rayko Halitschke, Ivan Galis, Ian T. Baldwin

    PLOS ONE   4 ( 3 )   e4697   2009.3

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    DOI： 10.1371/journal.pone.0004697

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  • Induced plant defenses in the natural environment: Nicotiana attenuata WRKY3 and WRKY6 coordinate responses to herbivory Reviewed

    Melanie Skibbe, Nan Qu, Ivan Galis, Ian T. Baldwin

    PLANT CELL   20 ( 7 )   1984 - 2000   2008.7

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    DOI： 10.1105/tpc.108.058594

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  • Comprehensive analysis of glucan elicitor-regulated gene expression in tobacco BY-2 cells reveals a novel MYB transcription factor involved in the regulation of phenylpropanoid metabolism Reviewed

    Tomonori Shinya, Ivan Galis, Tomoko Narisawa, Mami Sasaki, Hiroo Fukuda, Hideaki Matsuoka, Mikako Saito, Ken Matsuoka

    PLANT AND CELL PHYSIOLOGY   48 ( 10 )   1404 - 1413   2007.10

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    DOI： 10.1093/pcp/pcm115

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  • Characterization of NtChitIV, a class IV chitinase induced by beta-1,3-, 1,6-glucan elicitor from Alternaria alternata 102: Antagonistic effect of salicylic acid and methyl jasmonate on the induction of NtChitIV Reviewed

    Tomonori Shinya, Kazunari Hanai, Ivan Galis, Kaoru Suzuki, Ken Matsuoka, Hideaki Matsuoka, Mikako Saito

    BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS   353 ( 2 )   311 - 317   2007.2

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    DOI： 10.1016/j.bbrc.2006.12.009

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  • Transcriptomic analysis of salicylic acid-responsive genes in tobacco by-2 cells

    I. Galis, K. Matsuoka

    Salicylic Acid: A Plant Hormone   371 - 396   2007.1

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  • Induction of autophagy by inhibitors of respiration in tobacco cells

    Galis Ivan, Toyooka Kiminori, Goto Yumi, Matsuoka Ken

    AUTOPHAGY   2 ( 4 )   345 - 346   2006.10

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  • A novel R2R3 MYB transcription factor NtMYBJS1 is a methyl jasmonate-dependent regulator of phenylpropanoid-conjugate biosynthesis in tobacco Reviewed

    Galis, I, P Simek, T Narisawa, M Sasaki, T Horiguchi, H Fukuda, K Matsuoka

    PLANT JOURNAL   46 ( 4 )   573 - 592   2006.5

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    DOI： 10.1111/j.1365-313X.2006.02719.x

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  • EST and microarray analysis of tobacco BY-2 cells

    K. Matsuoka, I. Galis

    Biotechnology in Agriculture and Forestry   58   293 - 311   2006.1

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  • Reduction of polar auxin transport in tobacco by the tumorigenic Agrobacterium tumefaciens AK-6b gene Reviewed

    Y Kakiuchi, Galis, I, S Tamogami, H Wabiko

    PLANTA   223 ( 2 )   237 - 247   2006.1

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    DOI： 10.1007/s00425-005-0080-4

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  • A novel R2R3 MYB transcription factor NtMYBJS1 is a methyl jasmonate-dependent regulator of phenylpropanoid-conjugate biosynthesis in tobacco

    Galis, I, T Narisawa, K Matsuoka

    PLANT AND CELL PHYSIOLOGY   47   S241 - S241   2006

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  • Rhodococcus fascians: Shoot proliferation without elevated cytokinins? Reviewed

    Galis, I, K Bilyeu, G Wood, PE Jameson

    PLANT GROWTH REGULATION   46 ( 2 )   109 - 115   2005.6

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    DOI： 10.1007/s10725-005-7752-8

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  • Expression of three Arabidopsis cytokinin oxidase/dehydrogenase promoter :: GUS chimeric constructs in tobacco: response to developmental and biotic factors Reviewed

    Galis, I, KD Bilyeu, MJG Godinho, PE Jameson

    PLANT GROWTH REGULATION   45 ( 3 )   173 - 182   2005.3

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    DOI： 10.1007/s10725-005-2547-5

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  • A comprehensive gene expression analysis toward the understanding of growth and differentiation of tobacco BY-2 cells Reviewed

    K Matsuoka, T Demura, Galis, I, T Horiguchi, M Sasaki, G Tashiro, H Fukuda

    PLANT AND CELL PHYSIOLOGY   45 ( 9 )   1280 - 1289   2004.9

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    DOI： 10.1093/pcp/pch155

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  • Salicylic acid-, but not cytokinin-induced, resistance to WClMV is associated with increased expression of SA-dependent resistance genes in Phaseolus vulgaris Reviewed

    Galis, I, JL Smith, PE Jameson

    JOURNAL OF PLANT PHYSIOLOGY   161 ( 4 )   459 - 466   2004.4

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    DOI： 10.1078/0176-1617-01255

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  • Agrobacterium tumefaciens AK-6b gene modulates phenolic compound metabolism in tobacco Reviewed

    Galis, I, Y Kakiuchi, P Simek, H Wabiko

    PHYTOCHEMISTRY   65 ( 2 )   169 - 179   2004.1

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    DOI： 10.1016/j.phytochem.2003.10.015

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  • Resistance of transgenic tobacco seedlings expressing the Agrobacterium tumefaciens C58-6b gene, to growth-inhibitory levels of cytokinin is associated with elevated IAA levels and activation of phenylpropanoid metabolism Reviewed

    Galis, I, P Simek, HA Van Onckelen, Y Kakiuchi, H Wabiko

    PLANT AND CELL PHYSIOLOGY   43 ( 8 )   939 - 950   2002.8

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    DOI： 10.1093/pcp/pcf112

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  • Degeneration and regeneration of plant cells induced by the tumorogenic genes from Agrobacterium

    Wabiko H, Galis I, Kakiuchi Y

    Regulation of Plant Growth and Development   36 ( 1 )   24 - 34   2001

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    DOI： 10.18978/jscrp.36.1_24

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  • The Agrobacterium tumefaciens C58-6b gene confers resistance to N-6-benzyladenine without modifying cytokinin metabolism in tobacco seedlings Reviewed

    Galis, I, P Simek, J Macas, H Zahradnickova, J Vlasak, H Wabiko, W Van Dongen, HA Van Onckelen, M Ondrej

    PLANTA   209 ( 4 )   453 - 461   1999.10

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    DOI： 10.1007/s004250050748

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  • Analysis of T-DNA-mediated translational beta-glucuronidase gene fusions Reviewed

    S Kertbundit, R Linacero, P Rouze, Galis, I, J Macas, F Deboeck, S Renckens, JP Hernalsteens, H De Greve

    PLANT MOLECULAR BIOLOGY   36 ( 2 )   205 - 217   1998.1

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    DOI： 10.1023/A:1005902730810

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  • Tissue culture and transformation of Oenothera biennis Reviewed

    D Pavingerova, Galis, I, M Ondrej

    BIOLOGIA PLANTARUM   38 ( 1 )   27 - 32   1996

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    DOI： 10.1007/BF02879628

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  • The effect of an elevated cytokinin level using the ipt gene and N6-benzyladenine on single node and intact potato plant tuberization in vitro Reviewed

    Galis I, Macas J, Vlasak J, Ondrej M, Van Onckelen HA

    Journal of Plant Growth Regulation   14   143 - 150   1995

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    DOI： 10.1007/BF00210916

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  • PHYSIOLOGICAL TRANSFORMATION OF GROWTH POTATO TRANSFORMANTS

    Z SLADKY, GALIS, I, J MACAS, P BRINCA, J DUBOVA

    ROSTLINNA VYROBA   40 ( 8 )   721 - 728   1994

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  • EFFECT OF ATP CONCENTRATION AND TEMPERATURE ON FIREFLY LUCIFERASE ACTIVITY Reviewed

    GALIS, I, J JIRASKOVA

    BIOLOGIA PLANTARUM   35 ( 1 )   147 - 150   1993

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Books

  • The use of VIGS technology to study plant-herbivore interactions. In: Methods in Molecular Biology - Virus-induced gene silencing: Methods and protocols

    Humana Press Inc.  2013 

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  • Transcriptomic analysis of salicylic acid-responsive genes in tobacco BY-2 cells. In: Salicylic acid - A plant hormone

    Springer, Dordrecht, The Netherlands  2007 

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  • EST and microarray analysis of tobacco BY-2 cells. In: Biotechnology in Agriculture and Forestry, Tobacco BY-2 cells: From cellular dynamics to omics

    Springer-Verlag Berlin Heidelberg  2006 

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  • Quantifying phytohormones in transformed plants. In: Methods in Molecular Biology - Agrobacterium Protocols.

    Humana Press Inc., Totowa NJ  1995 

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MISC

  • P080 JA inductive transcription factor RERJ1 regulates volatile emissions in response to herbivory

    Motegi Atsushi, Kawamura Naoko, Miyamoto Kouji, Yamane Hisakazu, Ozawa Rika, Takabayashi Jyunji, Ivan Galis, Shinya Tomonori, Nojiri Hideaki, Okada Kazunori

    50   98 - 98   2015.10

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  • Induction of autophagy by inhibitors of respiration in tobacco cells

    Ivan Galis, Kiminori Toyooka, Yumi Goto, Ken Matsuoka

    AUTOPHAGY   2 ( 4 )   347 - 348   2006.10

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  • Complete-length cDNAs of tobacco BY-2 cells and oligonucleotide microarray

    K Matsuoka, T Narisawa, Galis, I

    PLANT AND CELL PHYSIOLOGY   47   S244 - S244   2006

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  • A high density multiwell culture system of plant cells in suspension

    Galis, I, J Matsuo, H Fukuda, K Matsuoka

    PLANT AND CELL PHYSIOLOGY   46   S144 - S144   2005

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  • Benzyladenine-induced cell death requires the presence of nitric oxide

    Galis, I, M Sasaki, H Fukuda, K Matsuoka

    PLANT AND CELL PHYSIOLOGY   46   S211 - S211   2005

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  • Analysis of the structure and response genes of the elicitor from Alternaria alternata 102.

    T Shinya, Galis, I, Kozone, I, Y Desaki, T Narisawa, H Fukuda, H Matsuoka, N Shibuya, K Matsuoka, M Saito

    PLANT AND CELL PHYSIOLOGY   46   S120 - S120   2005

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  • Microarray analysis of gene expression in hormone-treated tobacco BY-2 cells

    Galis, I, M Sasaki, H Fukuda, K Matsuoka

    PLANT AND CELL PHYSIOLOGY   45   S79 - S79   2004

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  • MICROARRAY ANALYSIS OF GENE EXPRESSION IN METHYL JASMONATE-TREATED TOBACCO BY-2 CELLS

    Galis, I, H. Fukuda, K. Matsuoka

    ACTA PHYSIOLOGIAE PLANTARUM   26 ( 3 )   130 - 130   2004

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  • PHENOLIC METABOLISM IN TOBACCO EXPRESSING 6b GENE OF AGROBACTERIUM TUMEFACIENS AKE10 :

    KAKIUCHI Yasutaka, GALIS Ivan, WABIKO Hiroetsu

    Plant and cell physiology   42   s197   2001

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    Other Link： https://projects.repo.nii.ac.jp/?action=repository_uri&item_id=185232

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Presentations

  • Balancing responses to pathogen infection and herbivory in rice terpenoid biosynthesis

    Liu Y., Wada M., Mori M., Galis I., Shinya T., Nojiri H., Okada K.

    26th Biannual International Plant Resistance to Insects (IPRI) Symposium 2024, Tainan, Taiwan  2024.4.22 

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  • Indirect defense in rice: role of silicon in rice volatile production under herbivory stress

    Osibe DA, Hojo Y., Shinya T., Galis I.

    The 65th Annual Meeting of the Japanese Society of Plant Physiologists, Kobe, Japan  2024.3.17 

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

    Wari, D, Hojo, Y, Tani, A, Shinya, T, Galis, I

    The 64th Annual Meeting of the Japanese Society of Plant Physiologists, Sendai, 2023 

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    Event date： 2023.3.10 - 2023.3.17

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  • Dynamics of silicification and the role of silicon in rice defense against chewing and sucking herbivores

    Osibe, D.A, Hojo, Y, Shinya, T, Galis, I

    3rd ISCE-APACE Joint Meeting, Kuala Lumpur, Malaysia, 2022 

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    Event date： 2022.8.8 - 2022.8.12

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

    Wari, D, Hojo, Y, Tani, A, Shinya, T, Galis, I

    3rd ISCE-APACE Joint Meeting, Kuala Lumpur, Malaysia, 2022 

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    Event date： 2022.8.8 - 2022.8.12

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  • Systemic defense against herbivores in rice: Not really the case

    Galis, I, Kuwabara, T, Hojo, Y, Wari, D, Shinya, T

    3rd ISCE-APACE Joint Meeting, Kuala Lumpur, Malaysia, 2022 

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    Event date： 2022.8.8 - 2022.8.12

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

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

    The 63rd Annual meeting of Japanese Society of Plant Physiologists, Tsukuba, 2022 

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    Event date： 2022.3.22 - 2022.3.24

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  • ナミハダニのタンパク質エリシター「テトラニン」の機能解析

    田中未来, 谷村香織, 若谷晃汰, 小澤理香, 北條優子, 新屋友規, Galis Ivan, 出崎能丈, 有村源一郎

    第44回日本分子生物学会年会, 2021 

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    Event date： 2021.12.1 - 2021.12.3

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  • シロイヌナズナの虫害応答シグナル伝達系におけるハスモンヨトウ唾液内細菌の機能の解明

    瀧口麻由, 上村卓矢, 住岡裕香, 山崎廉予, 木原侑香, 新屋友規, Galis Ivan, 有村源一郎

    第44回日本分子生物学会年会, 2021 

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  • シロイヌナズナにおけるPBL27-CRK2を介した虫害防御応答機構の解明

    森島実奈美, 佐野友香, 上村卓矢, 出崎能丈, 伊藤綾華, 根本圭一郎, Galis Ivan, 野澤彰, 澤崎達也, 有村源一郎

    第44回日本分子生物学会年会, 2021 

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  • Brown planthopper honeydew-associated microbes induce defense response in rice

    Wari, D, Hojo, Y, Shinya, T, Galis, I

    第62回日本植物生理学会年会, 2021 

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    Event date： 2021.3.14 - 2021.3.16

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  • イネ葉における食害部位とその周辺での防御応答の比較

    桑原大芽, 北條優子, 新屋友規, Galis Ivan

    第62回日本植物生理学会年会, 2021 

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  • Functional characterization of symbiotic bacteria existing in the saliva of Spodoptera litura on defense response of Arabidopsis

    Takiguchi, M, Uemura, T, Sumioka, H, Yamasaki, Y, Kihara, Y, Shinya, T, Galis, I, Arimura, G-I

    第43回分子生物学会年会, 2020 

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    Event date： 2020.12.2 - 2020.12.4

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  • Characterization of a novel jasmonic acid-induced amino acid-like transporter in rice

    Tohi, T, Hojo, Y, Shinya, T, Galis, I

    第61回日本植物生理学会年会, 2020 

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    Event date： 2020.3.19 - 2020.3.21

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  • Investigation of mechanisms of host plant selection by rice brown planthopper Nilaparvata lugens

    Ho, T. N, Shinya, T, Galis, I

    第61回日本植物生理学会年会, 2020 

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    Event date： 2020.3.19 - 2020.3.21

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  • Plant response to flooding stress impairs rice defense systems against herbivores

    Mujiono, K, Hojo, Y, Shinya, T, Galis, I

    第61回日本植物生理学会年会, 2020 

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    Event date： 2020.3.19 - 2020.3.21

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  • アミンを介したイネ科植物の食害応答の解析

    網干貴子, 一刀皐平, Galis Ivan, 新屋友規, 村山哲也

    日本農薬学会第45回大会, 2020 

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    Event date： 2020.3.8 - 2020.3.10

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  • シロイヌナズナの食害エリシター応答分子HAKを介したシグナル伝達機構の解明

    佐野友香, 森島実奈美, 上村卓矢, 伊藤綾華, 星野稜介, 出崎能丈, 野澤彰, 澤崎達也, IVAN Galis, 根本圭一郎, 有村源一郎

    日本分子生物学会年会プログラム・要旨集(Web)  2020 

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  • Regulators of stress-inducible prenyldiphosphate synthases that define types of terpenoids production in rice

    Wada M, Shinya T, Galis I, Ozawa R, Arimura G, Mori M, Nojiri H, Okada K

    14th International Meeting on the Biosynthesis, Function and Synthetic Biology of Isoprenoids (TERPNET) 2019 

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    Event date： 2019.8.26 - 2019.8.30

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  • Update on mechanisms of NERICA rice direct defense against insect herbivores

    Joackin B. Andama, Tomonori Shinya, Ivan Galis

    第60回日本植物生理学会年会 , 2019 

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    Event date： 2019.3.14 - 2019.3.16

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  • Development of robust method for measurement of internal leaf volatiles in rice

    Tilisa Tohi, Kadis Mujiono, Tomonori Shinya, Ivan Galis

    第60回日本植物生理学会年会 , 2019 

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    Event date： 2019.3.14 - 2019.3.16

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  • Two rice homologues of tobacco MYB8 gene do not significantly affect phenolamide levels in herbivory-elicited rice leaves

    Takahashi H, Andama, J. B, Yuko, H, Shinya, T, Galis, I

    第60回日本植物生理学会年会 , 2019 

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    Event date： 2019.3.14 - 2019.3.16

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  • The role of jasmonates and ethylene in elicitation of secondary metabolism in rice

    Kadis Mujiono, Tomonori Shinya, Ivan Galis

    第60回日本植物生理学会年会 , 2019 

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    Event date： 2019.3.14 - 2019.3.16

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  • Pilot field experiments for identification of novel herbivory-related QTLs by the use of rice BIL population

    Nhan Thanh Ho, Tomonori Shinya, Ivan Galis

    第60回日本植物生理学会年会 , 2019 

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    Event date： 2019.3.14 - 2019.3.16

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  • イネの植食性昆虫認識に関わる細胞壁由来エリシターの解析

    新屋友規, 藤原由佳, 兵頭究, 吉見圭永, 原克弥, 円谷陽一, 小竹敬久, Galis Ivan

    第60回日本植物生理学会年会 , 2019 

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    Event date： 2019.3.14 - 2019.3.16

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  • ‘香粋’キウイフルーツにおける芳香成分と一次代謝産物のGC/MSによる解析

    常盤淑玲, 笠原有加, 土佐康彰, MITALO Witere Oscar, 近藤憂紀, 大槻巧, 大地菜摘, AZIMI Azimullah, DOAN Anh Thu, GALIS Ivan, 中野龍平, 中野龍平, 牛島幸一郎, 牛島幸一郎, 久保康隆, 久保康隆

    園芸学研究 別冊  2018 

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  • 植食性昆虫エリシター組成に依存したイネの特異的防御応答

    新屋友規, SOBHY Islam, 北條優子, 三宅純司, 出崎能丈, 渋谷直人, GALIS Ivan

    日本植物病理学会大会プログラム・講演要旨予稿集  2016 

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  • イネを食害する植食性昆虫の新規エリシター活性成分の解析

    新屋友規, 北條優子, KABIR Alamgir, 出崎能丈, 渋谷直人, GALIS Ivan

    日本植物生理学会年会要旨集  2015 

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  • タバコ培養細胞BY-2における呼吸阻害剤によるオートファジーの誘導

    GALIS Ivan, 豊岡公徳, 成澤知子, 後藤友美, 松岡健, 松岡健

    日本農芸化学会大会講演要旨集  2008 

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  • Alternaria alternata 102由来エリシターの構造及びエリシター応答遺伝子群の解析

    新屋友規, GALIS Ivan, 小曽根郁子, 出崎能丈, 成沢知子, 福田裕穂, 松岡英明, 渋谷直人, 斉藤美佳子

    日本植物生理学会年会要旨集  2005 

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    Event date： 2005

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  • A path for the use of natural products in plant protection against insect herbivores Invited

    Galis, I

    3rd International Conference On Tropical Agrifood, Feed & Fuel (ICTAFF) 2023, Balikpapan, Indonesia  2023.9.19 

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    Language：English   Presentation type：Oral presentation (keynote)  

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  • ハスモンヨトウ唾液内共生菌によるシロイヌナズナ害虫抵抗性への作用メカニズムの解明

    瀧口麻由, 木原侑香, 上村卓矢, 住岡裕香, 山崎廉予, 新屋友規, Ivan Galis, 有村源一郎

    生物環境イノベーション研究部門・第一回公開シンポジウム, 2020  2020.11.12 

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  • TRANSLATING PLANT SCIENCE INTO FOOD SECURITY Invited

    Galis I

    AGRICULTURE TECHNOLOGY WEBINAR 2020  2020.8.25 

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    Presentation type：Oral presentation (invited, special)  

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  • アブシジン酸はタバコBY-2 細胞の増殖と細胞死を共に抑制するがタンパク質の分泌は妨げない

    井上智晴, ガリスイヴァン, 小田大和人, 松岡 健

    日本農芸化学会 2019  2019.3.26 

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  • A hormone with multiple roles: Jasmonate-related functions in defense and development of rice plants

    34th Annual meeting of the International Society of Chemical Ecology  2018 

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  • Elucidating accumulation and biological function of jasmonates associated with chemical defense in mosses

    Japan Society of Agricultural Chemistry 2018  2018 

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  • Phytohormone levels and associated gene expression in developing rice panicles

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • Characterization of herbivory resistance traits in NERICA rice varieties

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • Identification of novel genes involved in phenolamide biosynthesis and regulation in rice

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • OPDA signaling contributes to regulation of phenolamide biosynthesis in rice defense

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • A hormone with multiple roles: Jasmonate-related functions in defense and development of rice plants

    34th Annual meeting of the International Society of Chemical Ecology  2018 

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  • Oligosaccharide Elicitor Perception System for Herbivory Defense in Plants

    Plant Biology 2018  2018 

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  • 蘚類におけるジャスモン酸類の探索と生理活性の追究

    日本農芸化学会2018  2018 

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  • Jasmonates but who are the others in rice plant defense?

    34th Annual meeting of the International Society of Chemical Ecology  2018 

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  • Characterization of herbivory resistance traits in NERICA rice varieties

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • OPDA signaling contributes to regulation of phenolamide biosynthesis in rice defense

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • Phytohormone levels and associated gene expression in developing rice panicles

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • Oligosaccharide Elicitor Perception System for Herbivory Defense in Plants

    Plant Biology 2018  2018 

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  • Identification of novel genes involved in phenolamide biosynthesis and regulation in rice

    59h Annual Meeting of the Japanese Society of Plant Physiologists  2018 

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  • Jasmonates …but who are “the others” in rice plant defense?

    34th Annual meeting of the International Society of Chemical Ecology  2018 

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  • NERICA rice and herbivores: Anything to worry about?

    Kenya-Africa Day 2017  2017 

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  • Sucrose non-Fermenting Related Kinase 1 implicates in phosphatidic acid-mediated plant immune signaling

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • イネのジャスモン酸誘導性転写因子RERJ1によるリナロール生産制御メカニズムの解明

    The 2017 Annual Meeting of The Japan Society for Bioscience, Biotechnology, and Agrochemistry  2017 

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  • Assessing the sorghum variability in resistance to insect pests

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • ハスモンヨトウ唾液内共生菌のシロイヌナズナ誘導防御における作用メカニズムの解明

    61th annual meeting of the Japanese Society of Applied Entomology and Zoology  2017 

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  • ハイゴケにおける化学防御物質モミラクトン生合成制御機構の解明

    日本農芸化学会2017年度大会  2017 

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  • Omics everywhere: How about in chemical ecology?

    33rd annual meeting of the ISCE and the 9th meeting of the APACE  2017 

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  • 異なる植食者の唾液内共生菌が影響する植物—植食者間相互作用

    61th annual meeting of the Japanese Society of Applied Entomology and Zoology  2017 

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  • 蘚類ハイゴケにおける化学防御物質モミラクトンの生産制御をになうオキシリピンの探索

    52nd annual meeting of the The Japanese Society for Chemical Regulation in Plants  2017 

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  • 蘚類ハイゴケのモミラクトン生産制御に関与するオキシリピン

    日本農芸化学会関東支部2017年度大会会  2017 

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  • Oxylipin signatures associated with the biosynthesis of chemical defense compound

    Taiwan-Japan Plant Biology 2017  2017 

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  • Sucrose non-Fermenting Related Kinase 1 implicates in phosphatidic acid-mediated plant immune signaling

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • Wound-induced peptide OsPep3 enhances herbivore elicitor mediated defense responses in rice

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • Rice JA inductive transcription factor RERJ1 regulates the linalool emission mechanism

    2017 

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  • Assessing the sorghum variability in resistance to insect pests

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • Oxylipin signatures associated with the biosynthesis of chemical defense compound momilactones in the moss Hypnum plumaeforme

    2017 

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  • Omics everywhere: How about in chemical ecology?

    33rd annual meeting of the ISCE and the 9th meeting of the APACE  2017 

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  • NERICA rice and herbivores: Anything to worry about?

    Kenya-Africa Day 2017  2017 

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  • Oxylipin signatures associated with the biosynthesis of chemical defense compound

    Taiwan-Japan Plant Biology 2017  2017 

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  • Wound-induced peptide OsPep3 enhances herbivore elicitor mediated defense responses in rice

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • Expression and function of the ALMT-family proteins in tomato

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • Expression and function of the ALMT-family proteins in tomato

    58th Annual Meeting of the Japanese Society of Plant Physiologists  2017 

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  • Regulation of phenolamide biosynthesis though the octadecanoid pathway in rice

    The 51st Annual Meeting of the Japanese Society for Chemical Regulation of Plants  2016 

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  • A roadmap to understanding plant-herbivore interactions under natural conditions

    Special Lecture for Students of the Deparment of Plan Protection (Padjajaran University)  2016 

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  • No way to run: Importance of direct and indirect defense against herbivorous insects in plants

    Innovations for Harnessing Bio-resources (2)  2016 

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  • Direct and indirect defense mechanism reveal complex protective shield against insect herbivores in rice

    The 11th JKUAT Scientific, Technological and Industrialization Conference  2016 

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  • Herbivory induced phenolamide biosynthesis in rice

    57th Annual Meeting of the Japanese Society of Plant Physiologists  2016 

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  • Direct and indirect defense against herbivores in rice

    57th Annual Meeting of the Japanese Society of Plant Physiologists  2016 

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  • 植食者の吐き戻し液内に存在する細菌が寄主植物に与える影響

    日本昆虫学会第76回大会・第60回日本応用動物昆虫学会大会合同大会  2016 

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  • Specific plant defense responses to herbivore-associated elicitors in rice

    2016 Annual Meeting of the Phytopathological Society of Japan  2016 

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  • Plant defense responses to herbivores involve recognition of independent herbivore-associated molecular patterns in rice

    2016 IS-MPMI (The International Society for Molecular Plant-Microbe Interactions) XVII Congress  2016 

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  • ジャスモン酸応答性転写因子RERJ1はイネの虫害抵抗性においてリナロールの生産を制御する

    日本農芸化学会2016年度大会  2016 

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  • Herbivory induced phenolamide biosynthesis in rice

    57th Annual Meeting of the Japanese Society of Plant Physiologists  2016 

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  • Direct and indirect defense against herbivores in rice

    57th Annual Meeting of the Japanese Society of Plant Physiologists  2016 

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  • Plant defense responses to herbivores involve recognition of independent herbivore-associated molecular patterns in rice

    2016 IS-MPMI (The International Society for Molecular Plant-Microbe Interactions) XVII Congress  2016 

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  • Specific plant defense responses to herbivore-associated elicitors in rice

    2016 Annual Meeting of the Phytopathological Society of Japan  2016 

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  • Rice JA inductive transcription factor RERJ1 regulates linalool emission in response to herbivory

    14th International Symposium on Rice Functional Genomics (ISRFG)  2016 

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  • Symbiotic bacteria in oral secretion of Spodoptera litura orchestrate host plant defense in Arabidopsis

    XXV International Congress of Entomology  2016 

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  • Sorghum under attack: Kurashiki field observations and experimental data in 2016

    Kenya-Africa Day 2016  2016 

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  • Symbiotic bacteria in oral secretion of Spodoptera litura orchestrate host plant defense in Arabidopsis

    XXV International Congress of Entomology  2016 

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  • Sorghum under attack: Kurashiki field observations and experimental data in 2016

    Kenya-Africa Day 2016  2016 

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  • Rice JA inductive transcription factor RERJ1 regulates linalool emission in response to herbivory

    14th International Symposium on Rice Functional Genomics (ISRFG)  2016 

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  • A roadmap to understanding plant-herbivore interactions under natural conditions

    Special Lecture for Students of the Deparment of Plan Protection (Padjajaran University)  2016 

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  • Direct and indirect defense mechanisms compose efficient protective shield against insect herbivores in rice

    Plant Protection Day and National Conference 2016: Trends in Crop Protection Technology  2016 

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  • Translationally controlled tumor protein を介したプログラム細胞死制御機構

    The 51st Annual Meeting of the Japanese Society for Chemical Regulation of Plants  2016 

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  • Regulation of phenolamide biosynthesis though the octadecanoid pathway in rice

    The 51st Annual Meeting of the Japanese Society for Chemical Regulation of Plants  2016 

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  • No way to run: Importance of direct and indirect defense against herbivorous insects in plants

    Innovations for Harnessing Bio-resources (2)  2016 

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  • Direct and indirect defense mechanism reveal complex protective shield against insect herbivores in rice

    The 11th JKUAT Scientific, Technological and Industrialization Conference  2016 

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  • Molecular mechanisms of rice defense against herbivores: Perception, hormonal signaling and metabolites

    JSPS-AASP Sponsored Workshop on Crop Stress Science and Innovation for Agriculture  2015 

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  • ジャスモン酸応答性転写因子RERJ1はイネの虫害抵抗性において揮発性物質の生産を制御する

    50周年記念式典および記念講演会  2015 

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  • Molecular mechanisms of rice defense against herbivores: Perception, hormonal signaling and metabolites

    Innovations for harnessing bio-resources (Seminar)  2015 

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  • The diurnal emission pattern of constitutive and induced rice volatiles

    31st annual meeting of the ISCE (International Society of Chemical Ecology)  2015 

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  • Wounding and oral secretions of the generalist Mythimna loreyi induce volatile emissions from rice leaves similar to real herbivory

    Kenya Day 2015  2015 

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  • Molecular mechanisms of rice defense against herbivores: Perception, hormonal signaling and metabolites

    Innovations for harnessing bio-resources (Seminar)  2015 

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  • Molecular mechanisms of rice defense against herbivores: Perception, hormonal signaling and metabolites

    JSPS-AASP Sponsored Workshop on Crop Stress Science and Innovation for Agriculture  2015 

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  • Isolation of novel insect elicitors from rice herbivores

    56th Annual Meeting of the Japanese Society of Plant Physiologists  2015 

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  • JA inductive transcription factor RERJ1 regulates volatile emissions in response to herbivory

    50th Annual Meeting of Japanese Society for Chemical Regulation of Plants  2015 

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  • Development of rice protection strategies based on the natural defense mechanisms against herbivores

    56th Annual Meeting of the Japanese Society of Plant Physiologists  2015 

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  • Characterization of herbivore-induced rice volatiles under real and mimic herbivory

    56th Annual Meeting of the Japanese Society of Plant Physiologists  2015 

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  • The diurnal emission pattern of constitutive and induced rice volatiles

    31st annual meeting of the ISCE (International Society of Chemical Ecology)  2015 

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  • Emerging role of phenolamides as universal plant defense metabolites

    31st annual meeting of the ISCE (International Society of Chemical Ecology)  2015 

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  • Wounding and oral secretions of the generalist Mythimna loreyi induce volatile emissions from rice leaves similar to real herbivory

    Kenya Day 2015  2015 

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  • Isolation of novel plant-defense-inducing elicitors from rice herbivores

    31st annual meeting of the ISCE (International Society of Chemical Ecology)  2015 

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  • Characterization of herbivore-induced rice volatiles under real and mimic herbivory

    56th Annual Meeting of the Japanese Society of Plant Physiologists  2015 

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  • Isolation of novel insect elicitors from rice herbivores

    56th Annual Meeting of the Japanese Society of Plant Physiologists  2015 

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  • Emerging role of phenolamides as universal plant defense metabolites

    31st annual meeting of the ISCE (International Society of Chemical Ecology)  2015 

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  • Development of rice protection strategies based on the natural defense mechanisms against herbivores

    56th Annual Meeting of the Japanese Society of Plant Physiologists  2015 

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  • Isolation of novel plant-defense-inducing elicitors from rice herbivores

    31st annual meeting of the ISCE (International Society of Chemical Ecology)  2015 

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  • PAP1転写因子を過剰発現した組換えタバコにおける食害ストレス応答機構

    32th Annual meeting of the Japanese Society for Plant Cell and Molecular Biology  2014 

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  • First steps towards understanding of rice defense mechanisms against herbivores

    55th Annual Meeting of the Japanese Society of Plant Physiologists  2014 

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  • 傾斜茶園における近接3地点間での茶樹耐凍性の季節変化と比較解析

    日本農業気象学会2014年全国⼤会＆International Symposium on Agricultural Meteorology 2014  2014 

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  • Development of novel plant protection strategies based on the natural defense mechanisms against herbivores in rice

    The 1st Okayama University and King Faisal University's Workshop on Environmental and Life Science  2014 

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  • First steps towards understanding of rice defense mechanisms against herbivores

    55th Annual Meeting of the Japanese Society of Plant Physiologists  2014 

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  • Development of novel plant protection strategies based on the natural defense mechanisms against herbivores in rice

    The 1st Okayama University and King Faisal University’s Workshop on Environmental and Life Science  2014 

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  • Functional characterization of jasmonoyl-L-isoleucine synthase (OsJAR1) mutant rice plants

    54th Annual Meeting of the Japanese Society of Plant Physiologists  2013 

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  • Constitutive defense in finger millet against whitebacked planthopper and inducible defenses in rice plants against brown planthopper

    54th Annual Meeting of the Japanese Society of Plant Physiologists  2013 

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  • Rice defense against herbivores

    54th Annual Meeting of the Japanese Society of Plant Physiologists  2013 

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  • Rice defense against herbivores

    54th Annual Meeting of the Japanese Society of Plant Physiologists  2013 

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  • Rice defense against herbivores: what are the metabolites?

    International Chemical Ecology Conference 2013  2013 

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  • The role of jasmonoyl-L-isoleucine synthase OsJAR1 in rice defense against herbivores

    International Chemical Ecology Conference 2013  2013 

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  • 傾斜茶園における近接3 地点間の茶樹耐凍性の比較解析

    日本農業気象学会中国四国支部大会  2013 

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  • Constitutive defense in finger millet against whitebacked planthopper and inducible defenses in rice plants against brown planthopper

    54th Annual Meeting of the Japanese Society of Plant Physiologists  2013 

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  • Functional characterization of jasmonoyl-L-isoleucine synthase (OsJAR1) mutant rice plants

    54th Annual Meeting of the Japanese Society of Plant Physiologists  2013 

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  • The role of jasmonoyl-L-isoleucine synthase OsJAR1 in rice defense against herbivores

    International Chemical Ecology Conference 2013  2013 

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  • Rice defense against herbivores: what are the metabolites?

    International Chemical Ecology Conference 2013  2013 

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  • 植物体表面上に存在するフラボノイドの機能とその応用

    植物色素研究会第25回大会  2013 

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  • Effect of flavonoids on freezing tolerance in plants and its possible applications

    日本生物環境工学会2013 年高松大会  2013 

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  • Metabolic and structural changes in plants exposed to biotic stress conditions

    The 6th Bio-energy & Biotechnology Symposium  2012 

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  • Transcriptional regulation of defense against herbivores in wild tobacco species Nicotiana attenuata

    Workshop Jasmonate signaling and plant defense against insect herbivores  2012 

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  • Transcriptional regulation of plant defenses against herbivores

    53rd Annual Meeting of the Japanese Society of Plant Physiologists  2012 

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  • Contribution of metabolomics and transcriptomics to understanding of plant defense against herbivores

    XXIV International Congress of Entomology  2012 

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  • Transcriptional regulation of plant defenses against herbivores

    53rd Annual Meeting of the Japanese Society of Plant Physiologists  2012 

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  • Contribution of metabolomics and transcriptomics to understanding of plant defense against herbivores

    XXIV International Congress of Entomology  2012 

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  • New insights into regulation of jasmonate mediated defense responses against herbivores in tobacco plants

    4-th Plant Stress Science Symposium  2012 

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  • Metabolic and structural changes in plants exposed to biotic stress conditions

    The 6th Bio-energy & Biotechnology Symposium  2012 

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  • Transcriptional regulation of defense against herbivores in wild tobacco species Nicotiana attenuata

    Workshop Jasmonate signaling and plant defense against insect herbivores  2012 

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  • New insights into regulation of jasmonate mediated defense responses against herbivores in tobacco plants

    4-th Plant Stress Science Symposium  2012 

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  • Plant defense against insects: How long will it take to untangle the jasmonate signaling?

    30th Okayama Regional Phytopathology Meeting  2011 

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  • Plant defense against insects: How long will it take to untangle the jasmonate signaling?

    30th Okayama Regional Phytopathology Meeting  2011 

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  • Signal transduction amd resistance mechanisms of plants against herbivores

    12th Conference of Experimental Plant Biology  2010 

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  • Development and use of molecular toolboxes for ecological model species N. attenuata and S. nigrum

    Biological interaction networks that promote biodiversity  2010 

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  • Signal transduction amd resistance mechanisms of plants against herbivores

    12th Conference of Experimental Plant Biology  2010 

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  • Development and use of molecular toolboxes for ecological model species N. attenuata and S. nigrum

    Biological interaction networks that promote biodiversity  2010 

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  • The role of alternative oxidase during the plant defense response against herbivore and pathogen in Nicotiana attenuata

    International Conference on Retrograde Signaling in Plants  2009 

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  • CROSS-TALK BETWEEN JASMONIC ACID AND ETHYLENE IS IMPORTANT FOR TUNING OF GROWTH AND DEFENSE IN Nicotiana attenuata

    Utrecht Summer School 2009  2009 

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  • Scaling down: Local responses to wounding and oral secretions in Nicotiana attenuata leaves

    Institute for Chemical Ecology Symposium  2009 

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  • Scaling down: Local responses to wounding and oral secretions in Nicotiana attenuata leaves

    Institute for Chemical Ecology Symposium  2009 

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  • Cross-talk between jasmonic acid and ethylene is important for tuning of growth and defense in Nicotiana attenuata plants

    FEBS Workshop "Adaptation Potential in Plants"  2009 

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  • The role of alternative oxidase during the plant defense response against herbivore and pathogen in Nicotiana attenuata

    International Conference on Retrograde Signaling in Plants  2009 

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  • Cross-talk between jasmonic acid and ethylene is important for tuning of growth and defense in Nicotiana attenuata plants

    FEBS Workshop "Adaptation Potential in Plants"  2009 

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  • CROSS-TALK BETWEEN JASMONIC ACID AND ETHYLENE IS IMPORTANT FOR TUNING OF GROWTH AND DEFENSE IN Nicotiana attenuata

    Utrecht Summer School 2009  2009 

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  • Tuning herbivore defenses in Nicotiana attenuata: Jasmonic acid, MAP kinases and what else?

    Institute for Chemical Ecology Symposium  2008 

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  • Tuning herbivore defenses in Nicotiana attenuata: Jasmonic acid, MAP kinases and what else?

    Institute for Chemical Ecology Symposium  2008 

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Research Projects

  • ファイトアレキシンの隠れた新機能：内性免疫増強因子としての役割

    Grant number：23K18028  2023.06 - 2026.03

    日本学術振興会  科学研究費助成事業  挑戦的研究(萌芽)

    Ivan Galis, 新屋 友規

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    Grant amount：\6500000 （ Direct expense: \5000000 、 Indirect expense：\1500000 ）

    植物が外敵を撃退するための二次代謝物として、様々なファイトアレキシンがこれまでに同定されてきた。一方で、一度機能評価が定まった分子種について異なる切り口から再評価を行うという発想は出にくく、従来のファイトアレキシン関連分子の研究は抗菌/抗昆虫活性の評価に偏重してきた。本研究では、「一部のファイトアレキシンは直接的な抗菌/抗昆虫活性に加え、免疫系を増強する内性因子として植物抵抗性に寄与する」可能性を検証する。本研究は、内性免疫制御因子として働くイネファイトアレキシンの探索とそれらの機能解明に挑戦することで、植物免疫の頑健性を支えるファイトアレキシンの知られざる側面を解き明かすことを目的としている。
    イネのファイトアレキシンの１種をイネに添加したところ、トビイロウンカに対するイネの耐虫性が向上することを明らかにした。本耐虫性試験時に、当該ファイトアレキシンを処理したイネにおいて、数種のトビイロウンカ食害誘導性二次代謝物の蓄積が促進されることを見出した。そこで、当該ファイトアレキシンに内性免疫制御因子として機能する可能性を見出し、イネに対して単独で処理した際に起こる応答を解析することとした。その結果、数種の防御関連二次代謝物の蓄積誘導に加え、防御関連遺伝子や植物ホルモン応答遺伝子の発現量の変動が認められた。さらに植物ホルモン蓄積量への影響の解析を行っており、これらを含めた当該ファイトアレキシンに対する応答の解析を現在も進めている。

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  • Integrated analysis of mineral ion dynamics in rice crop exposed to acute herbivory stress

    Grant number：21H02196  2021.04 - 2024.03

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    Ivan Galis, 網干 貴子, 三谷 奈見季

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

    First year of the project was fully devoted to collection of large scale data for further analyses. Two large scale herbivory experiments have been completed in summer season of FY2021. Two herbivore types (chewing insect larvae and sucking insect adults) were used as proposed after implementing hydroponic rice plant cultivation system. Five tissues (young leaf, attacked leaf, old leaves, stem, and root) over time course of three days have been collected. Out of collected samples, all originally proposed analyses have been carried out; in particular, extensive mineral analysis from 440 rice samples by ICP-MS, phytohormones, and secondary metabolites by LC-MS/MS were performed at IPSR (Galis, Mitani). Sumigraph analysis of total nitrogen and carbon from 440 samples was performed at Yamagata University (Aboshi). Large scale RNA sequencing (RNAseq) of 110 pooled replicated samples was outsourced and analyzed data obtained in March 2022. In outcome, several mineral elements showed differential contents in herbivore attacked plants. Furthermore, large increases in nitrogen containing alkaloids (p-coumaroylputrescine, feruloylputrescine, isopentylamine) were found in the attacked leaves. Jasmonic acid was the main phytohormone elicited in locally attacked leaves. A large number of genes related to defense was elicited in locally attacked leaves but many genes for mineral transport have also been observed in the regulated gene set. Overall, a very large amount of data was obtained that clearly depict extensive changes in rice metabolism in response to herbivore attack.

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  • Innovative screening of plant resistance inducers based on insect symbiotic microorganisms

    Grant number：20F20103  2020.09 - 2023.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for JSPS Fellows

    Ivan Galis, WARI DAVID

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    Grant amount：\2300000 （ Direct expense: \2300000 ）

    The isolation of microbes from brown planthopper honeydew was completed and biological activity was examined. Most of isolates could induce defense responses in rice cultured cells. Selected microbial isolates (6) were then used in field experiment with Nipponbare rice in Kurashiki field. Specifically, rice plants were repeatedly treated with microbial isolates in two-week-intervals and herbivore damage/presence was screened on these plants relative to untreated controls. Only small differences were observed in herbivore density but plants treated with isolate 6-22 shoved higher damage from chewing pests, suggesting that some microbial agents from brown planthopper honeydew could compromise rice defense in the field. This existence of effector-like microbes for suppression of plant defense in sucking pest honeydew will be further examined in 2022.
    In the second part of this research, diversity of microbes was examined using sequencing of DNA from honeydew. Samples from 6 regions in Japan and reference laboratory strain were used and showed that major types of microbes can be found in all samples. It suggests that microbes are closely associated with brown planthoppers and serve some essential functions in the insect pest. The most abundant species representing almost 60 percent of all sequences belonged to Bacillales and Pseudomonadales. The results will be further verified in 2022.

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  • 植物の広範な病虫害抵抗性機構の解明

    Grant number：20H02953  2020.04 - 2023.03

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    森 昌樹, Ivan Galis, 野村 崇人, 井上 晴彦

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

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  • Elucidation of molecular mechanisms for transduction of jasmonate signal to fertility in rice

    Grant number：16K08143  2016.10 - 2019.03

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

    Galis Ivan, SHINYA tomonori

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    Grant amount：\4810000 （ Direct expense: \3700000 、 Indirect expense：\1110000 ）

    We characterized in detail hormonal contents in rice flowers, finding that high levels of JA-Ile coincide with anthesis stage in the rice monocot model. Next, we identified multiple novel targets of JA signaling in flowers by microarray analysis, some of which belong to regulatory class genes. Out of them, novel JA-controlled NAC, MADS-box and AP2 genes of yet unknown functions were depicted as potential master regulators of fertility in rice. Furthermore, we make progress in understanding of metabolic defense in rice that is controlled by JA pathway in vegetative tissues but apparently becomes uncoupled from JA signal during later reproductive stages. Overall, our research provides advances in understanding of cross-talk between growth and defense that is important for achieving optimal fitness and growth of plants in nature.

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  • イネにおけるエリシター化合物を利用した天敵誘引物質の放出制御技術の開発

    Grant number：13F03379  2013.04 - 2016.03

    日本学術振興会  科学研究費助成事業  特別研究員奨励費

    Ivan Galis, MOHAMMED ISLAM, MOHAMMED Islam

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    Grant amount：\2300000 （ Direct expense: \2300000 ）

    In FY 27, we continued measuring volatile organic compound (VOC) emissions from rice (Oryza sativa) and sorghum (Sorghum bicolor). In both plants, we determined whole spectrum of VOCs dominated by terpenoids, aromatic compounds and green leaf volatiles. In both monocot species, the VOCs were quite similar, dominated by sesquiterpenes and monoterpens. Herbivore feeding and diurnal conditions were main factors influencing VOC emissions, which was further affected by chemical inducers (BTH) and plant genotype. In order to understand the molecular basis of differential emissions of VOCs from monocot plants, both under control and stress conditions (herbivory, wounding), we initiated cloning and investigated gene expression of those genes directly involved in VOC biosynthesis. In order to correlate differential VOCs with plant indirect defense against insects, we also monitored sorghum plants of different genetic backgrounds (resulting in differential VOCs), and investigated their herbivore damage under field conditions. Although direct relationship still needs to be established, sorghum plants of BTx602 origin, which had higher emissions of VOCs, had lower damage from European stem borer (Ostrinia nubilalis) in the field, compared to susceptible NOG genotype (high damage vs. low VOCs). We could propose hypothesis that high VOCs in BTx602 may help these plants to recruit a higher number of natural enemies of O. nubilalis, and thus reduce the successful establishment of this notorious pest on these plants. Several publications summarizing our results are now under preparation.

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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)

    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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  • Regulation mechanism of biosynthesis, intracellular localization and degradation of membrane transporters

    Grant number：17078009  2007 - 2009

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Priority Areas

    MATSUOKA Ken, TOYOOKA Kiminori

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    Grant amount：\77000000 （ Direct expense: \77000000 ）

    We investigated the regulation of autophagic degradation as well as the intracellular localization and degradation of tobacco SCAMP, which is known as an escort protein of membrane transporters, as well as sucrose transporters from tobacco and a borate transporter from Arabidopsis. We found a novel intracellular structure through the analysis of the SCAMP. We also got novel mechanistic insights on the nutritional regulation of the degradation of both sucrose transporters and the borate transporter.

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Class subject in charge

  • Special Seminar in Plant-Insect Interactions （2024academic year） Year-round  - その他

  • Plant genetics and stress science （2024academic year） Late  - 火1～4

  • Seminar in Plant-insect interactions （2024academic year） Prophase  - その他

  • Seminar in Plant-insect interactions （2024academic year） Late  - その他

  • Seminar in Plant-Insect Interactions （2024academic year） Prophase  - その他

  • Topics in Plant-Insect Interactions （2024academic year） Late  - その他

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

  • Special Seminar in Plant-Insect Interactions （2023academic year） Year-round  - その他

  • Plant genetics and stress science （2023academic year） Late  - 火1～4

  • Plant genetics and stress science （2023academic year） Late  - 火1～4

  • Seminar in Plant-insect interactions （2023academic year） Prophase  - その他

  • Seminar in Plant-Insect Interactions （2023academic year） Late  - その他

  • Seminar in Plant-insect interactions （2023academic year） Late  - その他

  • Seminar in Plant-insect interactions （2023academic year） Late  - その他

  • Seminar in Plant-Insect Interactions （2023academic year） Prophase  - その他

  • Seminar in Plant-insect interactions （2023academic year） Prophase  - その他

  • Topics in Plant-Insect Interactions （2023academic year） Late  - その他

  • Topics in Plant-Insect Interactions （2023academic year） Late  - その他

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

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

  • Plant genetics and stress science （2022academic year） Late  - 火1～4

  • Seminar in Plant-insect interactions （2022academic year） Prophase  - その他

  • Seminar in Plant-Insect Interactions （2022academic year） Late  - その他

  • Seminar in Plant-insect interactions （2022academic year） Late  - その他

  • Seminar in Plant-Insect Interactions （2022academic year） Prophase  - その他

  • Topics in Plant-Insect Interactions （2022academic year） Late  - その他

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

  • Plant genetics and stress science （2021academic year） Late  - 火1～4

  • Seminar in Plant-insect interactions （2021academic year） Prophase  - その他

  • Seminar in Plant-Insect Interactions （2021academic year） Late  - その他

  • Seminar in Plant-insect interactions （2021academic year） Late  - その他

  • Seminar in Plant-Insect Interactions （2021academic year） Prophase  - その他

  • Topics in Plant-Insect Interactions （2021academic year） Late  - その他

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

  • Plant genetics and stress science （2020academic year） Late  - その他

  • Seminar in Plant-insect interactions （2020academic year） Prophase  - その他

  • Seminar in Plant-Insect Interactions （2020academic year） Late  - その他

  • Seminar in Plant-insect interactions （2020academic year） Late  - その他

  • Seminar in Plant-Insect Interactions （2020academic year） Prophase  - その他

  • Topics in Plant-Insect Interactions （2020academic year） Late  - その他

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

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Academic Activities

  • Editorial Board member

    Role(s)：Supervision (editorial)

    Journal of Plant Interactions  2022

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    Type：Academic research 

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  • Editor

    Role(s)：Supervision (editorial)

    Journal of Integrative Plant Biology  2010.4 - 2022.12.31

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    Type：Academic research 

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