Hayakawa Toshihiko

ハヤカワトシヒコ | Hayakawa Toshihiko

Affiliation and department：
Job title： Professor
Homepage URL (1)： https://www.agri.tohoku.ac.jp/jp/about/organization/graduate/cellbio/index.html

Research field (3)： Applied molecular and cellular biology , Plant nutrition, soil science , Plants: molecular biology and physiology

Research keywords (6)： Nitrogen/carbon signal , signal transduction , gene expression , nitrogen remobilization , nitrogen metabolism , plant

Research theme for competitive and other funds (23)：

1999 - 現在 Molecular physiological studies on the mechanism of signal transduction for expression of nitrogen-assimilatory genes in higher plants.
2017 - 2021 Molecular mechanism to prevent excessive uptake of an ammonium nutrient into rice roots
2015 - 2018 Molecular characterization of STOP1-regulating acid soil tolerant mechanisms in plants
2015 - 2017 Molecular basis of rice defense against the bacterial leaf blight disease via control of glutamate synthesis in the leaf vasculature
2014 - 2017 The study of ammonium assimilation in Arabidopsis ecotypes

2012 - 2015 Elucidation of molecular mechanisms underlying avoidance of excess ammonium uptake into roots in rice

2010 - 2015 Strategies for survival and growth of rice plants in response to nitrogen starved conditions

2012 - 2014 高CO2環境下のイネの炭素・窒素栄養バランス高次統御に関わる窒素情報伝達系の解明

2010 - 2011 高CO2環境下のイネの炭素・窒素栄養バランス高次統御に関わる窒素情報伝達系の解明

2008 - 2011 Elucidation of molecular regulation on sensing and signaling of available nitrogen in rice plants

2007 - 2008 イネにおける窒素の吸収同化・転流利用系の分子基盤であるグルタミン膜輸送機構の解明

2004 - 2008 Integration of nitrogen signaling and nitrogen metabolisms in rice

2005 - 2007 Post-genomic analysis for the molecular basis of regulation mechanisms on nitrogen-assimilation and -recycling among organs and cells in rice.

2005 - 2006 イネ植物体内における利用可能な窒素の情報検知機構と情報伝達経路の解明

2001 - 2002 イネのグルタミン酸合成酵素群の窒素代謝における役割の解明

1999 - 2000 イネのグルタミン酸合成酵素群の窒素代謝における役割の解明

1993 - 1999 Molecular physiological studies on the mechanism for expression of nitrogen-assimilatory genes in higher plants.

1996 - 1998 The study of intracellular localization of NADH-dependent glutamate synthase protein in rice plants.

1997 - 1998 イネのグルタミン酸合成酵素群の窒素代謝における役割の解明

1996 - 1997 Localization of nitrogen-related enzymes in higher plants

1996 - 1996 イネのグルタミン酸合成酵素群の窒素代謝における役割の解明

1995 - 1995 イネのグルタミン酸合成酵素群の窒素代謝における役割の解明

1992 - 1993 Molecular physiological studies on the NADH-dependent glutamate synthase in rice plants.

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Papers (82)：

Takayuki Fujita, Marcel Pascal Beier, Mayumi Tabuchi-Kobayashi, Yoshitaka Hayatsu, Haruka Nakamura, Toshiko Umetsu-Ohashi, Kazuhiro Sasaki, Keiki Ishiyama, Emiko Murozuka, Mikiko Kojima, et al. Cytosolic Glutamine Synthetase GS1;3 Is Involved in Rice Grain Ripening and Germination. Frontiers in plant science. 2022. 13. 835835-835835
Saori Ogasawara, Masataka Ezaki, Ryusuke Ishida, Kuni Sueyoshi, Shunya Saito, Yuki Hiradate, Toru Kudo, Mitsuhiro Obara, Soichi Kojima, Nobuyuki Uozumi, et al. Rice amino acid transporter-like 6 (OsATL6) is involved in amino acid homeostasis by modulating the vacuolar storage of glutamine in roots. The Plant journal : for cell and molecular biology. 2021. 107. 6. 1616-1630
Soichi Kojima, Keiki Ishiyama, Marcel Pascal Beier, Toshihiko Hayakawa. Ammonium Assimilation and Metabolism in Rice. Progress in Botany. 2020. 211-231
Miwa Ohashi, Keiki Ishiyama, Soichi Kojima, Noriyuki Konishi, Kazuhiro Sasaki, Mitsue Miyao, Toshihiko Hayakawa, Tomoyuki Yamaya. Outgrowth of Rice Tillers Requires Availability of Glutamine in the Basal Portions of Shoots. Rice. 2018. 11. 1. 1-11
Ohashi M, Ishiyama K, Kusano M, Fukushima A, Kojima S, Hayakawa T, Yamaya T. Reduction in sucrose contents by downregulation of fructose-1,6-bisphosphatase 2 causes tiller outgrowth cessation in rice mutants lacking glutamine synthetase1;2. Rice (New York, N.Y.). 2018. 11. 1. 65-65

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MISC (82)：

小笠原早織, 江崎正隆, 末吉邦, 小原実広, 小島創一, 魚住信之, 早川俊彦. イネのアンモニウム同化と利用における新奇液胞膜アミノ酸輸送体の機能. 日本土壌肥料学会講演要旨集(Web). 2020. 66
小西範幸, 小西範幸, 大久保卓, 早川俊彦, 山谷知行, 南澤究. 硝酸供給に応答したシロイヌナズナ根の共生細菌群集の変化. 植物微生物研究会研究交流会講演要旨集. 2016. 26th
小西範幸, 小西範幸, 石山敬貴, 菅野圭一, 早川俊彦, 山谷知行, 小島創一. シロイヌナズナの根におけるアンモニウムの初期同化. 根の研究. 2016. 25. 4
藤田貴之, 石塚和, 石山敬貴, 早川俊彦, 山谷知行, 山口淳二, 小島創一. 1 イネ高親和型アンモニウムトランスポーター1;3の逆遺伝学的な解析(東北支部講演会,2014年度各支部会). 日本土壌肥料学会講演要旨集. 2015. 61. 246-246
KONISHI Noriyuki, ISHIYAMA Keiki, MARUYAMA Aoi, SAITO Masahide, MARU Ikumi, HAYAKAWA Toshihiko, YAMAYA Tomoyuki, KOJIMA Soichi. Identification of a specific combination of DNA elements in the promoter regions of ammonium responsive genes in Arabidopsis root. 日本植物生理学会年会要旨集. 2015. 56th

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Books (8)：

Ammonium assimilation and metabolism in rice. In "Progress in Botany, Vol. 82", Cánovas, F.M., Lüttge, U., Leuschner, C., Risueño, M.-C. (Eds.)
Springer Nature, Switzerland AG. 2020
Nitrogen Assimilation in Plants.
Research Signpost, Kerala, India. 2010 ISBN:9788130804064
Improvement of productivity and quality of rice in relation to nutrition and physiology.
Hakuyusha Co., LTD 2006
The Plant Cell Technology Series, an extra issue of The Cell Technology 11. Responses of plants to environments. The strategy to survive and its molecular mechanism.
SHUJUNSHA Co., Ltd., Tokyo, Japan 1999
Agrobacterium-mediated transformation of Sasanishiki, a leading cultivar of rice (Oryza sativa L.) in northern Japan. T. Ando et al. (Eds.), Plant nutrition-for sustainable food production and environment.
Kluwer Academic Publishers. Printed in Japan. 1997

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Lectures and oral presentations (98)：

イネのアンモニウム同化と利用における新奇液胞膜アミノ酸輸送体の機能.
(日本土壌肥料学会2020年度岡山大会 2020)
A sufficient ammonium-induced STY kinase, ACTPK1, down-modulates ammonium uptake into roots of rice seedlings.
(The 4th International Symposium on the Nitrogen Nutrition of Plants 2019)
イネ根におけるNH4+吸収調節因子OsACTPK1のゲノム遺伝子プロモーター解析
(日本土壌肥料学会2019年度静岡大会 2019)
ACTPK1, a STY kinase, down-modulates the high-affinity NH4+ uptake of rice roots under high NH4+ supply
(Taiwan-Japan Plant Biology 2017 2017)
Partial characterization of a rice STY kinase ACTPK2, a paralog of the NH4+ uptake modulator ACTPK1
(第3回植物の栄養研究会 2017)

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Education (2)：

- 1993 Tohoku University Graduate School, Division of Agriculture 農芸化学植物栄養学
- 1988 Tohoku University Faculty of Agriculture 農芸化学

Professional career (1)：

Doctor of Philosophy (Agriculture) (Tohoku University)

Committee career (38)：

2017/04 - 2018/03 Frontiers in Plant Science Review Editorial Board
2017/04 - 2018/03 Frontiers in Plant Science Review Editorial Board
2017/04 - 2017/09 日本土壌肥料学会2017年度仙台大会運営委員会総会関係担当
2017/04 - 2017/09 日本土壌肥料学会2017年度仙台大会運営委員会総会関係担当
2014/10 - 2017/09 日本土壌肥料学会第4部門副部門長

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Awards (5)：

2019/09 - The 4th International Symposium on the Nitrogen Nutrition of Plants Poster Award A sufficient ammonium-induced STY kinase, ACTPK1, down-modulates ammonium uptake into roots of rice seedlings.
2010/09/07 - 日本土壌肥料学会日本土壌肥料学会2010年度北海道大会ベストポスター賞シロイヌナズナの高親和型尿素輸送担体(AtDUR3)の翻訳後制御機構とその基質特異性について解析し、植物窒素代謝の研究に重要な知見を加えた。
2010/07/28 - Nitrogen 2010 Organizing Committee Outstanding Poster Award of 1st International Symposium on the Nitrogen Nutrition of Plants (Nitrogen 2010). 逆遺伝学的解析により、サイトゾル型グルタミン合成酵素1;2が、イネ根のアンモニウム初期同化において重要であることを証明し、植物窒素代謝の研究に重要な知見を加えた。
2007/08/23 - 日本土壌肥料学会日本土壌肥料学会2007年度東京大会ポスター賞イネのグルタミンセンサー候補遺伝子OsACR9のイネ各器官における発現様式を詳細に解析し、植物窒素代謝の研究に重要な知見を加えた。
2004/08/09 - 日本植物細胞分子生物学会 Best article award in 2004, Japanese Society for Plant Cell and Molecular Biology. イネ窒素代謝系鍵酵素フェレドキシン依存性グルタミン酸合成酵素遺伝子の構造・発現・分子進化を新規に解明し植物細胞分子生物学術領域の発展に貢献した。

Association Membership(s) (3)：

The Japanese Society of Plant Cell and Molecular Biology , The Japanese Society of Soil Science and Plant Nutrition , The Japanese Society of Plant Physiologists

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