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著者 Singh P., Sinha A.K.
タイトル A Positive Feedback Loop Governed by SUB1A1 Interaction with MITOGEN ACTIVATED PROTEIN KINASE 3 Imparts submergence tolerance in Rice.
Abstract:
Mitogen-activated protein kinase (MAPK) signal transduction networks have been extensively explored in plants; however, the connection between MAPK signalling cascades and submergence tolerance is currently unknown. The ethylene response factor-like protein SUB1A orchestrates a plethora of responses during submergence stress tolerance in rice. In the present study, we report that MPK3 is activated by submergence in a SUB1A-dependent manner. MPK3 physically interacts with and phosphorylates SUB1A in a tolerant-allele-specific manner. Furthermore, the tolerant allele SUB1A1 binds to the MPK3 promoter and regulates its expression in a positive regulatory loop during submergence stress signalling. We present molecular and physiological evidence for the key role of the MPK3-SUB1A1 module in acclimation of rice seedlings to the adverse effects of submergence. Overall, the results provide a mechanistic understanding of submergence tolerance in Oryza sativa.
掲載誌 Plant Cell
Country unknown
刊数
ページ
発刊年 2016
PubMed ID 27081183
PubMed Central ID -
DOI 10.1105/tpc.15.01001
URL -
関連情報
遺伝子 MSRMK2 SLR1 SLRL1 SMG1 SUB1A _
INSD -
系統 野生イネ
コアコレクション
-
突然変異系統(遺伝研 Collection) -
種子不稔系統 -
致死変異体系統 -
組織別発生段階
- 突然変異系統(遺伝子)
-
栽培イネ品種(遺伝研 Collection) -
組織別発生段階 -
/rice/oryzabase