Article
The kinase ATM delays Arabidopsis leaf senescence by stabilizing the phosphatase MKP2 in a phosphorylation-dependent manner.
The Plant cell - 2 Apr 2025
Zhang Yi, Tan Shuya, Kim Jin Hee, Cao Jie, Zhao Yaning, Pang Zhenpei, Liu Junjie, Lv Yonglun, Ding Feng, Kim Jeongsik, Woo Hye Ryun, Xia Xinli, Guo Hongwei, Li Zhonghai
Abstract excerpt
Arabidopsis thaliana (Arabidopsis) Ataxia Telangiectasia Mutated (ATM) kinase plays a vital role in orchestrating leaf senescence; however, the precise mechanisms remain elusive. Here, our study demonstrates that ATM kinase activity is essential for mitigating age- and reactive oxygen species-induced senescence, as restoration of wild-type ATM reverses premature senescence in the atm mutant, while a kinase-dead...
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