論文

査読有り 責任著者
2016年9月1日

Overexpression of OsMYC2 results in the up-regulation of early JA-rresponsive genes and bacterial blight resistance in rice

Plant and Cell Physiology
  • Yuya Uji
  • ,
  • Shiduku Taniguchi
  • ,
  • Daisuke Tamaoki
  • ,
  • Hodaka Shishido
  • ,
  • Kazuya Akimitsu
  • ,
  • Kenji Gomi

57
9
開始ページ
1814
終了ページ
1827
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1093/pcp/pcw101
出版者・発行元
OXFORD UNIV PRESS

© 2016 The Author 2016. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. JASMONATE ZIM-domain (JAZ) proteins act as transcriptional repressors of jasmonic acid (JA) responses and play a crucial role in the regulation of host immunity in plants. Here, we report that OsMYC2, a JAZ-interacting transcription factor in rice (Oryza sativa L.), plays an important role in the resistance response against rice bacterial blight, which is one of the most serious diseases in rice, caused by Xanthomonas oryzae pv. oryzae (Xoo). The results showed that OsMYC2 interacted with some OsJAZ proteins in a JAZ-interacting domain (JID)-dependent manner. The up-regulation of OsMYC2 in response to JA was regulated by OsJAZ8. Transgenic rice plants overexpressing OsMYC2 exhibited a JA-hypersensitive phenotype and were more resistant to Xoo. A large-scale microarray analysis revealed that OsMYC2 up-regulated OsJAZ10 as well as many other defense-related genes. OsMYC2 selectively bound to the G-box-like motif of the OsJAZ10 promoter in vivo and regulated the expression of early JA-responsive genes, but not of late JA-responsive genes. The nuclear localization of OsMYC2 depended on a nuclear localization signal within JID. Overall, we conclude that OsMYC2 acts as a positive regulator of early JA signals in the JA-induced resistance against Xoo in rice.

リンク情報
DOI
https://doi.org/10.1093/pcp/pcw101
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/27335352
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000384717400002&DestApp=WOS_CPL
Scopus
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84988423886&origin=inward
Scopus Citedby
https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=84988423886&origin=inward
ID情報
  • DOI : 10.1093/pcp/pcw101
  • ISSN : 0032-0781
  • eISSN : 1471-9053
  • PubMed ID : 27335352
  • SCOPUS ID : 84988423886
  • Web of Science ID : WOS:000384717400002

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