2012 Fiscal Year Final Research Report
Elucidation of mechanisms of plant innate immunity by R protein
| Project/Area Number |
23770044
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Plant molecular biology/Plant physiology
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| Research Institution | Nara Institute of Science and Technology |
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Principal Investigator |
KAWANO Yoji 奈良先端科学技術大学院大学, バイオサイエンス研究科, 助教 (00406175)
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| Project Period (FY) |
2011 – 2012
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| Keywords | イネ / 抵抗性タンパク質 / OsRac1 |
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| Research Abstract |
R protein Pit acts as an intracellular receptors for sensing the blast fungus. In this project, we found that Pit activates small GTPase OsRac1 through a GDP/GTP exchange factor OsSPIKE1. Pit-dependent OsRac1 activation via OsSPIKE1 playsimportant role in Pit-mediated disease resistance. Palmitoylation of Pit plays a critical role in activation of small GTPase OsRac1 on the plasma membrane. In addition, we identified the novel interactors of Pit.
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[Journal Article] An OsCEBiP/OsCERK1-OsRacGEF1-OsRac1 module is an essential component of chitin-induced rice immunity2013
Author(s)
Akamatsu A, Wong H, Fujiwara M, Okuda J, Nishide K, Uno K, Imai K, Umemura K, Kawasaki T, Kawano Y, Shimamoto K
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Journal Title
Cell Host Microbe
Volume: 13(4)
Pages: 465-76
DOI
Peer Reviewed
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