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Overexpression of Phosphomimic Mutated OsWRKY53 Leads to Enhanced Blast Resistance in Rice
http://hdl.handle.net/2261/55990
http://hdl.handle.net/2261/5599051be990c-90dd-4a22-b5b1-0a0dbd2bc3e9
名前 / ファイル | ライセンス | アクション |
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journal.pone.0098737.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-02-04 | |||||
タイトル | ||||||
タイトル | Overexpression of Phosphomimic Mutated OsWRKY53 Leads to Enhanced Blast Resistance in Rice | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Chujo, Tetsuya
× Chujo, Tetsuya× Miyamoto, Koji× Ogawa, Satoshi× Masuda, Yuka× Shimizu, Takafumi× Kishi-Kaboshi, Mitsuko× Takahashi, Akira× Nishizawa, Yoko× Minami, Eiichi× Nojiri, Hideaki× Yamane, Hisakazu× Okada, Kazunori |
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著者所属 | ||||||
著者所属 | Biotechnology Research Center, The University of Tokyo | |||||
著者所属 | ||||||
著者所属 | Genetically Modified Organism Research Center, National Institute of Agrobiological Sciences | |||||
著者所属 | ||||||
著者所属 | Department of Biosciences, Teikyo University, Utsunomiya | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | WRKY transcription factors and mitogen-activated protein kinase (MAPK) cascades have been shown to play pivotal roles in the regulation of plant defense responses. We previously reported that OsWRKY53-overexpressing rice plants showed enhanced resistance to the rice blast fungus. In this study, we identified OsWRKY53 as a substrate of OsMPK3/OsMPK6, components of a fungal PAMP-responsive MAPK cascade in rice, and analyzed the effect of OsWRKY53 phosphorylation on the regulation of basal defense responses to a virulence race of rice blast fungus Magnaporthe oryzae strain Ina86-137. An in vitro phosphorylation assay revealed that the OsMPK3/OsMPK6 activated by OsMKK4 phosphorylated OsWRKY53 recombinant protein at its multiple clustered serine-proline residues (SP cluster). When OsWRKY53 was coexpressed with a constitutively active mutant of OsMKK4 in a transient reporter gene assay, the enhanced transactivation activity of OsWRKY53 was found to be dependent on phosphorylation of the SP cluster. Transgenic rice plants overexpressing a phospho-mimic mutant of OsWRKY53 (OsWRKY53SD) showed further-enhanced disease resistance to the blast fungus compared to native OsWRKY53-overexpressing rice plants, and a substantial number of defense-related genes, including pathogenesis-related protein genes, were more upregulated in the OsWRKY53SD-overexpressing plants compared to the OsWRKY53-overexpressing plants. These results strongly suggest that the OsMKK4-OsMPK3/OsMPK6 cascade regulates transactivation activity of OsWRKY53, and overexpression of the phospho-mimic mutant of OsWRKY53 results in a major change to the rice transcriptome at steady state that leads to activation of a defense response against the blast fungus in rice plants. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | UTokyo Research掲載「イネの耐病性向上に成功」 URI: http://www.u-tokyo.ac.jp/ja/utokyo-research/research-news/enhanced-disease-resistance-in-rice-plants/ | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | UTokyo Research "Enhanced disease resistance in rice plants" URI: http://www.u-tokyo.ac.jp/en/utokyo-research/research-news/enhanced-disease-resistance-in-rice-plants/ | |||||
書誌情報 |
PLoS ONE 巻 9, 号 6, p. e98737, 発行日 2014-06-03 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1932-6203 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1371/journal.pone.0098737 | |||||
権利 | ||||||
権利情報 | (c) 2014 Chujo et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |||||
出版者 | ||||||
出版者 | PLOS | |||||
出版者別名 | ||||||
Public Library of Science | ||||||
関係URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.u-tokyo.ac.jp/ja/utokyo-research/research-news/enhanced-disease-resistance-in-rice-plants/ | |||||
関係URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.u-tokyo.ac.jp/en/utokyo-research/research-news/enhanced-disease-resistance-in-rice-plants/ | |||||
関係URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0098737 |