Faculty Profiles - MA Jian Feng

Papers - MA Jian Feng

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Polar localization of a rice silicon transporter requires isoleucine at both C- and N-termini as well as positively charged residues. International journal

Noriyuki Konishi, Namiki Mitani-Ueno, Naoki Yamaji, Jian Feng Ma

The Plant cell 35 ( 6 ) 2232 - 2250 2023.5

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

Silicon (Si) is important for stable and high yields in rice (Oryza sativa), a typical Si hyperaccumulator. The high Si accumulation is achieved by the cooperation of 2 Si transporters, LOW SILICON 1 (OsLsi1) and OsLsi2, which are polarly localized in cells of the root exodermis and endodermis. However, the mechanism underlying their polar localization is unknown. Here, we identified amino acid residues critical for the polar localization of OsLsi1. Deletion of both N- and C-terminal regions resulted in the loss of its polar localization. Furthermore, the deletion of the C-terminus inhibited its trafficking from the endoplasmic reticulum to the plasma membrane. Detailed site-directed mutagenesis analysis showed that Ile18 at the N-terminal region and Ile285 at the C-terminal region were essential for the polar localization of OsLsi1. Moreover, a cluster of positively charged residues at the C-terminal region is also required for polar localization. Phosphorylation and Lys modifications of OsLsi1 are unlikely to be involved in its polar localization. Finally, we showed that the polar localization of OsLsi1 is required for the efficient uptake of Si. Our study not only identified critical residues required for the polar localization of OsLsi1, but also provided experimental evidence for the importance of transporter polarity for efficient nutrient uptake.

DOI： 10.1093/plcell/koad073

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ART1 and putrescine contribute to rice aluminum resistance via OsMYB30 in cell wall modification. International journal

Li Jun Gao, Xiang Pei Liu, Ke Ke Gao, Meng Qi Cui, Hui Hui Zhu, Gui Xin Li, Jing Ying Yan, Yun Rong Wu, Zhong Jie Ding, Xue Wei Chen, Jian Feng Ma, Nicholas P Harberd, Shao Jian Zheng

Journal of integrative plant biology 65 ( 4 ) 934 - 949 2023.4

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

Cell wall is the first physical barrier to aluminum (Al) toxicity. Modification of cell wall properties to change its binding capacity to Al is one of the major strategies for plant Al resistance; nevertheless, how it is regulated in rice remains largely unknown. In this study, we show that exogenous application of putrescines (Put) could significantly restore the Al resistance of art1, a rice mutant lacking the central regulator Al RESISTANCE TRANSCRIPTION FACTOR 1 (ART1), and reduce its Al accumulation particularly in the cell wall of root tips. Based on RNA-sequencing, yeast-one-hybrid and electrophoresis mobility shift assays, we identified an R2R3 MYB transcription factor OsMYB30 as the novel target in both ART1-dependent and Put-promoted Al resistance. Furthermore, transient dual-luciferase assay showed that ART1 directly inhibited the expression of OsMYB30, and in turn repressed Os4CL5-dependent 4-coumaric acid accumulation, hence reducing the Al-binding capacity of cell wall and enhancing Al resistance. Additionally, Put repressed OsMYB30 expression by eliminating Al-induced H2 O2 accumulation, while exogenous H2 O2 promoted OsMYB30 expression. We concluded that ART1 confers Put-promoted Al resistance via repression of OsMYB30-regulated modification of cell wall properties in rice.

DOI： 10.1111/jipb.13429

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Linking root morphology and anatomy with transporters for mineral element uptake in plants

Yu En, Naoki Yamaji, Jian Feng Ma

Plant and Soil 2023.3

100 essential questions for the future of agriculture

Yuming Hu, Taolan Zhao, Yafang Guo, Meng Wang, Kerstin Brachhold, Chengcai Chu, Andrew Hanson, Sachin Kumar, Rongcheng Lin, Wenjin Long, Ming Luo, Jian Feng Ma, Yansong Miao, Shaoping Nie, Yu Sheng, Weiming Shi, James Whelan, Qingyu Wu, Ziping Wu, Wei Xie, Yinong Yang, Chao Zhao, Lei Lei, Yong‐Guan Zhu, Qifa Zhang

Modern Agriculture 1 ( 1 ) 4 - 12 2023.3

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

Abstract

The world is at a crossroad when it comes to agriculture. The global population is growing, and the demand for food is increasing, putting a strain on our agricultural resources and practices. To address this challenge, innovative, sustainable, and inclusive approaches to agriculture are urgently required. In this paper, we launched a call for Essential Questions for the Future of Agriculture and identified a priority list of 100 questions. We focus on 10 primary themes: transforming agri‐food systems, enhancing resilience of agriculture to climate change, mitigating climate change through agriculture, exploring resources and technologies for breeding, advancing cultivation methods, sustaining healthy agroecosystems, enabling smart and controlled‐environment agriculture for food security, promoting health and nutrition‐driven agriculture, exploring economic opportunities and addressing social challenges, and integrating one health and modern agriculture. We emphasise the critical importance of interdisciplinary and multidisciplinary research that integrates both basic and applied sciences and bridges the gaps among various stakeholders for achieving sustainable agriculture.

DOI： 10.1002/moda.5

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The ferroxidases LPR1 and LPR2 control iron translocation in the xylem of Arabidopsis plants. International journal

Zhong-Rui Xu, Mei-Ling Cai, Ying Yang, Ting-Ting You, Jian Feng Ma, Peng Wang, Fang-Jie Zhao

Molecular plant 15 ( 12 ) 1962 - 1975 2022.12

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

Iron (Fe) deficiency is common in agricultural crops and affects millions of people worldwide. Translocation of Fe in the xylem is a key step for Fe distribution in plants. The mechanism controlling this process remains largely unknown. Here, we report that two Arabidopsis ferroxidases, LPR1 and LPR2, play a crucial and redundant role in controlling Fe translocation in the xylem. LPR1 and LPR2 are mainly localized in the cell walls of xylem vessels and the surrounding cells in roots, leaves, and stems. Knockout of both LPR1 and LPR2 increased the proportion of Fe(II) in the xylem sap, and caused Fe deposition along the vascular bundles especially in the petioles and main veins of leaves, which was alleviated by blocking blue light. The lpr1 lpr2 double mutant displayed constitutive expression of Fe deficiency response genes and overaccumulation of Fe in the roots and mature leaves under Fe-sufficient supply, but Fe deficiency chlorosis in the new leaves and inflorescences under low Fe supply. Moreover, the lpr1 lpr2 double mutant showed lower Fe concentrations in the xylem and phloem saps, and impaired 57Fe translocation along the xylem. In vitro assays showed that Fe(III)-citrate, the main form of Fe in xylem sap, is easily photoreduced to Fe(II)-citrate, which is unstable and prone to adsorption by cell walls. Taken together, these results indicate that LPR1 and LPR2 are required to oxidize Fe(II) and maintain Fe(III)-citrate stability and mobility during xylem translocation against photoreduction. Our study not only uncovers an essential physiological role of LPR1 and LPR2 but also reveals a new mechanism by which plants maintain Fe mobility during long-distance translocation in the xylem.

DOI： 10.1016/j.molp.2022.11.003

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FE UPTAKE‐INDUCING PEPTIDE1 maintains Fe translocation by controlling Fe deficiency response genes in the vascular tissue of Arabidopsis International journal

Satoshi Okada, Gui J. Lei, Naoki Yamaji, Sheng Huang, Jian F. Ma, Keiichi Mochida, Takashi Hirayama

Plant, Cell &Environment 45 ( 11 ) 3322 - 3337 2022.11

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

FE UPTAKE-INDUCING PEPTIDE1 (FEP1), also named IRON MAN3 (IMA3) is a short peptide involved in the iron deficiency response in Arabidopsis thaliana. Recent studies uncovered its molecular function, but its physiological function in the systemic Fe response is not fully understood. To explore the physiological function of FEP1 in iron homoeostasis, we performed a transcriptome analysis using the FEP1 loss-of-function mutant fep1-1 and a transgenic line with oestrogen-inducible expression of FEP1. We determined that FEP1 specifically regulates several iron deficiency-responsive genes, indicating that FEP1 participates in iron translocation rather than iron uptake in roots. The iron concentration in xylem sap under iron-deficient conditions was lower in the fep1-1 mutant and higher in FEP1-induced transgenic plants compared with the wild type (WT). Perls staining revealed a greater accumulation of iron in the cortex of fep1-1 roots than in the WT root cortex, although total iron levels in roots were comparable in the two genotypes. Moreover, the fep1-1 mutation partially suppressed the iron overaccumulation phenotype in the leaves of the oligopeptide transporter3-2 (opt3-2) mutant. These data suggest that FEP1 plays a pivotal role in iron movement and in maintaining the iron quota in vascular tissues in Arabidopsis.

DOI： 10.1111/pce.14424

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Other Link： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/pce.14424

Plant Hormone and Inorganic Ion Concentrations in the Xylem Exudate of Grafted Plants Depend on the Scion–Rootstock Combination International journal

Kohei Kawaguchi, Makoto Nakaune, Jian Feng Ma, Mikiko Kojima, Yumiko Takebayashi, Hitoshi Sakakibara, Shungo Otagaki, Shogo Matsumoto, Katsuhiro Shiratake

Plants 11 ( 19 ) 2594 - 2594 2022.10

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

In grafted plants, inorganic ions and plant hormones in the xylem exudate transported from the rootstock to the scion directly or indirectly affect the scion, thereby improving the traits. Therefore, the concentration of these components in the xylem exudate of grafted plants may be an indicator for rootstock selection. On the other hand, few reports have presented a comprehensive analysis of substances transferred from the rootstock to the scion in plants grafted onto different rootstocks, primarily commercial cultivars. In this study, we measured inorganic ions and plant hormones in the xylem exudate from the rootstock to the scion in various grafted plants of tomato and eggplant. The results revealed that the concentrations of inorganic ions and plant hormones in the xylem exudate significantly differed depending on the type of rootstock. In addition, we confirmed the concentration of the inorganic ions and plant hormones in the xylem exudate of plants grafted onto the same tomato rootstock cultivars as rootstock with tomato or eggplant as the scions. As a result, the concentrations of inorganic ions and plant hormones in the xylem exudate were significantly different in the grafted plants with eggplant compared with tomato as the scion. These results suggest that signals from the scion (shoot) control the inorganic ions and plant hormones transported from the rootstock (root).

DOI： 10.3390/plants11192594

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Duplication of a manganese/cadmium transporter gene reduces cadmium accumulation in rice grain International journal

En Yu, Wenguang Wang, Naoki Yamaji, Shuichi Fukuoka, Jing Che, Daisei Ueno, Tsuyu Ando, Fenglin Deng, Kiyosumi Hori, Masahiro Yano, Ren Fang Shen, Jian Feng Ma

Nature Food 68 ( 8 ) 597 - 607 2022.8

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

Global contamination of soils with toxic cadmium (Cd) is a serious health threat. Here we found that a tandem duplication of a gene encoding a manganese/Cd transporter, OsNramp5, was responsible for low-Cd accumulation in Pokkali, an old rice cultivar. This duplication doubled the expression of OsNramp5 gene but did not alter its spatial expression pattern and cellular localization. Higher expression of OsNramp5 increased uptake of Cd and Mn into the root cells but decreased Cd release to the xylem. Introgression of this allele into Koshihikari, an elite rice cultivar, through backcrossing significantly reduced Cd accumulation in the grain when cultivated in soil heavily contaminated with Cd but did not affect both grain yield and eating quality. This study not only reveals the molecular mechanism underlying low-Cd accumulation but also provides a useful target for breeding rice cultivars with low-Cd accumulation.

DOI： 10.1038/s43016-022-00569-w

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A novel kinase subverts aluminium resistance by boosting ornithine decarboxylase‐dependent putrescine biosynthesis

Xiang P. Liu, Li J. Gao, Ben T. She, Gui X. Li, Yun R. Wu, Ji M. Xu, Zhong J. Ding, Jian F. Ma, Shao J. Zheng

Plant, Cell & Environment 2022.8

A Golgi‐localized glycosyltransferase, OsGT14;1, is required for growth of both roots and shoots in rice

Peitong Wang, Naoki Yamaji, Jian Feng Ma

The Plant Journal 2022.8

A tonoplast-localized magnesium transporter is crucial for stomatal opening in Arabidopsis under high Mg2+ conditions. International journal

Shin-Ichiro Inoue, Maki Hayashi, Sheng Huang, Kengo Yokosho, Eiji Gotoh, Shuka Ikematsu, Masaki Okumura, Takamasa Suzuki, Takumi Kamura, Toshinori Kinoshita, Jian Feng Ma

The New phytologist 2022.7

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

Plant stomata play an important role in CO2 uptake for photosynthesis and transpiration, but the mechanisms underlying stomatal opening and closing under changing environmental conditions are still not completely understood. Through large-scale genetic screening, we isolated an Arabidopsis mutant (closed stomata2 (cst2)) that is defective in stomatal opening. We cloned the causal gene (MGR1/CST2) and functionally characterized this gene. The mutant phenotype was caused by a mutation in a gene encoding an unknown protein with similarities to the human magnesium (Mg2+ ) efflux transporter ACDP/CNNM. MGR1/CST2 was localized to the tonoplast and showed transport activity for Mg2+ . This protein was constitutively and highly expressed in guard cells. Knockout of this gene resulted in stomatal closing, decreased photosynthesis and growth retardation, especially under high Mg2+ conditions, while overexpression of this gene increased stomatal opening and tolerance to high Mg2+ concentrations. Furthermore, guard cell-specific expression of MGR1/CST2 in the mutant partially restored its stomatal opening. Our results indicate that MGR1/CST2 expression in the leaf guard cells plays an important role in maintaining cytosolic Mg2+ concentrations through sequestering Mg2+ into vacuoles, which is required for stomatal opening, especially under high Mg2+ conditions.

DOI： 10.1111/nph.18410

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NRAMP6 and NRAMP1 cooperatively regulate root growth and manganese translocation under manganese deficiency in Arabidopsis

Lun Li, Zongzheng Zhu, Yonghui Liao, Changhong Yang, Ni Fan, Jie Zhang, Naoki Yamaji, Léon Dirick, Jian Feng Ma, Catherine Curie, Chao‐Feng Huang

The Plant Journal 2022.6

根におけるミネラルとその輸送体の可視化 Invited Reviewed

馬建鋒, 山地直樹

アグリバイオ 6 ( 6 ) 502 - 506 2022.6

Cell-Type-Dependent but CME-Independent Polar Localization of Silicon Transporters in Rice

Noriyuki Konishi, Sheng Huang, Naoki Yamaji, Jian Feng Ma

Plant and Cell Physiology 63 ( 5 ) 699 - 712 2022.5

A pericycle‐localized silicon transporter for efficient xylem loading in rice

Sheng Huang, Naoki Yamaji, Gen Sakurai, Namiki Mitani‐Ueno, Noriyuki Konishi, Jian Feng Ma

New Phytologist 234 ( 1 ) 197 - 208 2022.4

A crucial role for a node‐localized transporter, HvSPDT, in loading phosphorus into barley grains International journal

Mian Gu, Hengliang Huang, Hiroshi Hisano, Guangda Ding, Sheng Huang, Namiki Mitani‐Ueno, Kengo Yokosho, Kazuhiro Sato, Naoki Yamaji, Jian Feng Ma

New Phytologist 2022.3

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

Grains are the major sink of phosphorus (P) in cereal crops, accounting for 60-85% of total plant P, but the mechanisms underlying P loading into the grains are poorly understood. We functionally characterized a transporter gene required for the distribution of P to the grains in barley (Hordeum vulgare), HvSPDT (SULTR-like phosphorus distribution transporter). HvSPDT encoded a plasma membrane-localized Pi/H+ cotransporter. It was mainly expressed in the nodes at both the vegetative and reproductive stages. Furthermore, its expression was induced by inorganic phosphate (Pi) deficiency. In the nodes, HvSPDT was expressed in both the xylem and phloem region of enlarged and diffuse vascular bundles. Knockout of HvSPDT decreased the distribution of P to new leaves, but increased the distribution to old leaves at the vegetative growth stage under low P supply. However, knockout of HvSPDT did not alter the redistribution of P from old to young organs. At the reproductive stage, knockout of HvSPDT significantly decreased P allocation to the grains, resulting in a considerable reduction in grain yield, especially under P-limited conditions. Our results indicate that node-based HvSPDT plays a crucial role in loading P into barley grains through preferentially distributing P from the xylem and further to the phloem.

DOI： 10.1111/nph.18057

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Boron uptake in rice is regulated post-translationally via a clathrin-independent pathway

Sheng Huang, Noriyuki Konishi, Naoki Yamaji, Ji Feng Shao, Namiki Mitani-Ueno, Jian Feng Ma

Plant Physiology 188 ( 3 ) 1649 - 1664 2022.3

Publishing type：Research paper (scientific journal) Publisher：Oxford University Press ({OUP})

<title>Abstract</title>
Uptake of boron (B) in rice (Oryza sativa) is mediated by the Low silicon rice 1 (OsLsi1) channel, belonging to the NOD26-like intrinsic protein III subgroup, and the efflux transporter B transporter 1 (OsBOR1). However, it is unknown how these transporters cooperate for B uptake and how they are regulated in response to B fluctuations. Here, we examined the response of these two transporters to environmental B changes at the transcriptional and posttranslational level. OsBOR1 showed polar localization at the proximal side of both the exodermis and endodermis of mature root region, forming an efficient uptake system with OsLsi1 polarly localized at the distal side of the same cell layers. Expression of OsBOR1 and OsLsi1 was unaffected by B deficiency and excess. However, although OsLsi1 protein did not respond to high B at the protein level, OsBOR1 was degraded in response to high B within hours, which was accompanied with a significant decrease of total B uptake. The high B-induced degradation of OsBOR1 was inhibited in the presence of MG-132, a proteasome inhibitor, without disturbance of the polar localization. In contrast, neither the high B-induced degradation of OsBOR1 nor its polarity was affected by induced expression of dominant-negative mutated dynamin-related protein 1A (OsDRP1AK47A) or knockout of the mu subunit (AP2M) of adaptor protein-2 complex, suggesting that clathrin-mediated endocytosis is not involved in OsBOR1 degradation and polar localization. These results indicate that, in contrast to Arabidopsis thaliana, rice has a distinct regulatory mechanism for B uptake through clathrin-independent degradation of OsBOR1 in response to high B.

DOI： 10.1093/plphys/kiab575

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Role of calcium signaling in aluminum tolerance in Arabidopsis

Sheng Huang, Jian Feng Ma

New Phytologist 233 ( 6 ) 2327 - 2329 2022.3

Metalloid transporters and their regulation in plants

Naoki Yamaji, Jian Feng Ma

Plant Physiology 187 ( 4 ) 1929 - 1939 2021.12

Acetic-acid-induced jasmonate signaling in root enhances drought avoidance in rice

Daisuke Ogawa, Yuya Suzuki, Takayuki Yokoo, Etsuko Katoh, Miyu Teruya, Masayuki Muramatsu, Jian Feng Ma, Yuri Yoshida, Shunsaku Isaji, Yuko Ogo, Mitsue Miyao, Jong-Myong Kim, Mikiko Kojima, Yumiko Takebayashi, Hitoshi Sakakibara, Shin Takeda, Kazunori Okada, Naoki Mori, Motoaki Seki, Yoshiki Habu

Scientific Reports 11 ( 1 ) 2021.12

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Papers - MA Jian Feng