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

文献类型： 外文期刊

作者： Cui, Beimi 1 ; Pan, Qiaona 3 ; Cui, Wenqiang 4 ; Wang, Yiqin 4 ; Loake, Verity I. P. 7 ; Yuan, Shuguang 5 ; Liu, Fengquan 1 ; Loake, Gary J. 3 ;

作者机构： 1.Guizhou Univ, Coll Agr, Dept Plant Pathol, Key Lab Agr Microbiol, Guiyang 550025, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Plant Protect, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base,Minist Sci & Technol, Nanjing 210014, Peoples R China

3.Univ Edinburgh, Inst Mol Plant Sci, Sch Biol Sci, Edinburgh EH9 3BF, Scotland

4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

5.Chinese Acad Sci, Shenzhen Inst Adv Technol, Inst Biomed & Biotechnol, Shenzhen 518055, Peoples R China

6.Chinese Acad Sci, Inst Genet & Dev Biol, Beijing 100101, Peoples R China

7.Imperial Coll London, Fac Med, South Kensington Campus, London SW7 2AZ, England

8.Univ Edinburgh, Ctr Engn Biol, Sch Biol Sci, Edinburgh EH9 3BF, Scotland

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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