2008 Fiscal Year Final Research Report
Mechanisms for the activation and evasion of plant immunity by flagellin from phytopathogenic bacteria
| Project/Area Number |
18380035
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Plant pathology
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| Research Institution | Okayama University |
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Principal Investigator |
ICHINOSE Yuki Okayama University, 大学院・自然科学研究科, 教授 (50213004)
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| Project Period (FY) |
2006 – 2008
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| Keywords | MAMP / フラジェリン / 糖鎖修飾 / ラムノース / キラリティ / ビオサミン |
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| Research Abstract |
植物病原細菌Pseudomonas syringae pv. tabaci(Pta)の鞭毛構成タンパク質フラジェリンは非宿主植物に対し激しい防御応答(HR)を誘導するが、宿主タバコには顕著には誘導しない。本研究ではフラジェリン分子中のHR誘導ドメインがアミノ末端側の保存配列(flg22)に存在することを見出した。また、フラジェリンに結合するラムノースや修飾ビオサミンなどの糖鎖は、鞭毛の安定性を高めた。従って、糖鎖にはflg22の露出を防ぐことで防御応答を回避する機能が推測された
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Research Products
(50 results)
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[Journal Article] Amino acid sequence of bacterial microbe-associated molecular pattern flg22 is required for virulence2008
Author(s)
Naito, K., Taguchi, F., Suzuki, T., Inagaki, Y., Toyoda, T., Shiraishi, T. and Ichinose, Y.
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Journal Title
Mol. Plant-Microbe Interact 21(9)
Pages: 1165-1174
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[Journal Article] Modulation of defense signal transduction by flagellin-induced WRKY41 transcription factor in Arabidopsis thaliana2008
Author(s)
Higashi, K., Ishiga, Y., Inagaki, Y., Toyoda, K., Shiraishi, T. and Ichinose, Y.
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Journal Title
Mol. Genet. Genomics 279(3)
Pages: 303-312
URL
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[Journal Article] Effects ofglycosylation on swimming ability and flagella polymorphic transformation of Pseudomonas syringae pv2008
Author(s)
Taguchi, F., Shibata, S., Suzuki, T., Ogawa, Y., Aizawa, S., Takeuchi, K. and Ichinose, Y.
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Journal Title
tabaci 6605. J. Bacteriol 190(2)
Pages: 764-768
URL
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[Journal Article] Flagellin glycans from two pathovars of Pseudomonas syringae contain rhamnose in D and L configurations in different ratios and modified 4-amino-4,6-dideoxyglucose2007
Author(s)
Takeuchi, K., Ono, H., Yoshida, M., Ishii, T., Kato, E., Taguchi, F., Miki, R., Murata, K., Kaku, H. and Ichinose, Y.
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Journal Title
J. Bacteriol 189(19)
Pages: 6945-6956
URL
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[Journal Article] A homologue of the 3-oxoacyl-(acyl carrier protein) synthase III gene located in the glycosylation island of Pseudomonas syringae pv. tabaci regulates virulence factors via N-acyl homoserine lactone and fatty acid synthesis2006
Author(s)
Taguchi, F., Ogawa, Y., Takeuchi, K., Suzuki, T., Toyoda, K., Shiraishi, T. and Ichinose, Y.
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Journal Title
J. Bacteriol 188(24)
Pages: 8376-8384
URL
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