S-nitrosylation of a receptor-like cytoplasmic kinase regulates plant immunity

文献类型： 外文期刊

第一作者： Cui, Beimi

作者： Cui, Beimi;Liu, Fengquan;Cui, Beimi;Liu, Fengquan;Cui, Beimi;Pan, Qiaona;Loake, Gary J.;Cui, Wenqiang;Wang, Yiqin;Cui, Wenqiang;Yuan, Shuguang;Wang, Yiqin;Loake, Verity I. P.;Loake, Gary J.

作者机构：

期刊名称：SCIENCE ADVANCES （ 影响因子：13.6； 五年影响因子：15.4 ）

ISSN： 2375-2548

年卷期： 2024 年 10 卷 11 期

页码：

收录情况： SCI

摘要： Perception of pathogen/microbial-associated molecular patterns (P/MAMPs) by plant cell surface receptors leads to a sustained burst of reactive oxygen species (ROS), a key feature of P/MAMP-triggered immunity (PTI). Here we report that P/MAMP recognition leads to a rapid nitrosative burst, initiating the accumulation of nitric oxide (NO), subsequently leading to S-nitrosylation of the receptor-like cytoplasmic kinase (RLCK), botrytis-induced kinase 1 (BIK1), at Cys(80). This redox-based, posttranslational modification, promotes the phosphorylation of BIK1, subsequently resulting in BIK1 activation and stabilization. Further, BIK1 S-nitrosylation increases its physical interaction with RBOHD, the source of the apoplastic oxidative burst, promoting ROS formation. Our data identify mechanistic links between rapid NO accumulation and the expression of PTI, providing insights into plant immunity.

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