2008 Fiscal Year Final Research Report
Calcium ion-mediated signaling network regulating stress responses in plants
Project/Area Number |
19370023
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
植物生理・分子
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Research Institution | Tokyo University of Science |
Principal Investigator |
KUCHITSU Kazuyuki Tokyo University of Science, 理工学部・応用生物科学科, 教授 (50211884)
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Project Period (FY) |
2007 – 2008
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Keywords | カルシウムチャネル / イネ / 感染防御応答 / カルシウムイオン濃度 / 機械刺激受容 / プロテインキナーゼ / 活性酸素種 / エリシター |
Research Abstract |
イネ培養細胞の細胞質内カルシウムイオン濃度変化や活性酸素種(ROS)生成のリアルタイム測定系を確立し、植物のストレス応答情報伝達ネットワークの分子機構の解明を進めた。植物病原菌由来のシグナル分子を認識し、プログラム細胞死を含む感染防御応答を誘導する初期過程では、ROS生成やMAPキナーゼの活性化に先立ち、細胞質のカルシウムイオン濃度が上昇することが明らかとなり、この過程の上流、下流での制御機構と、機能する複数の因子を同定した。
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Research Products
(32 results)
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[Journal Article] Vacuolar and cytoskeletal dynamics during elicitor-induced programmed cell death in tobacco BY-2 cells2008
Author(s)
Higaki, T., Kadota, Y., Goh, T., Hayashi, T., Kutsuna, N., Sano, T., Hasezawa, S., Kuchitsu, K.
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Journal Title
Plant Signaling & Behavior 3(9)
Pages: 700-703
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[Journal Article] Local Positive Feedback Regulation Determines Cell Shape in Root Hair Cells2008
Author(s)
Takeda, S., Gapper, C., Kaya, H., Bell, E., Kuchitsu, K., Dolan, L.
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Journal Title
Science 319(5867)
Pages: 1241-1244
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[Journal Article] Synergistic Activation of Arabidipsis NADPH Oxidase AtrbohD by Ca^<2+> and Phosphorylation2008
Author(s)
Ogasawara, Y., Kaya, H., Hiraoka, G., Yumoto, F., Kimura, S., Kadota, Y., Hishinuma, H., Senzaki, E., Yamagoe, S., Nagata, K., Nara, M., Suzuki, K., Tanokura, M., Kuchitsu, K.
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Journal Title
J. Biol. Chem 283
Pages: 8885-8892
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[Journal Article] Elicitor-induced cytoskeletal rearrangement relates to vacuolar dynamics and execution of cell death : in vivo imaging of hypersensitive cell death in tobacco BY-2 cells
Author(s)
Higaki, T., Goh, T., Hayashi, T., Kutsuna, N., Kadota, Y., Hasezawa, S., Sano, T., Kuchitsu, K.
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Journal Title
Plant Cell Physiol 48(10)
Pages: 1414-1425
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[Presentation] Ca^<2+>-ROS Signaling Network Regulating Stress Responses, Innate Immunity Ca^<2+> and Development.2008
Author(s)
Kuchitsu, K., Ogasawara, Y., Kimura, S., Hiraoka, G., Hishinuma, H., Senzaki, E., Kurusu, T., Yumoto, F., Tanokura, M., Takeda, S., Dolan, L., Kaya, H.
Organizer
XI th France-Japan Workshop on Plant Sciences
Year and Date
20080000
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