Article
The PP6 phosphatase regulates ABI5 phosphorylation and abscisic acid signaling in Arabidopsis.
The Plant cell - 1 Feb 2013
Dai Mingqiu, Xue Qin, Mccray Tyra, Margavage Kathryn, Chen Fang, Lee Jae-Hoon, Nezames Cynthia D, Guo Liquan, Terzaghi William, Wan Jianmin, Deng Xing Wang, Wang Haiyang
Abstract excerpt
The basic Leucine zipper transcription factor ABSCISIC ACID INSENSITIVE5 (ABI5) is a key regulator of abscisic acid (ABA)-mediated seed germination and postgermination seedling growth. While a family of SUCROSE NONFERMENTING1-related protein kinase2s (SnRK2s) is responsible for ABA-induced phosphorylation and stabilization of ABI5, the phosphatase(s) responsible for dephosphorylating ABI5 is still unknown. Here,...
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