Overexpression of NDR1 leads to pathogen resistance at elevated temperatures

文献类型： 外文期刊

第一作者： Samaradivakara, Saroopa P.

作者： Samaradivakara, Saroopa P.;Lu, Yi-Ju;Li, Pai;Kim, Yongsig;Day, Brad;Samaradivakara, Saroopa P.;Day, Brad;Chen, Huan;Day, Brad;Chen, Huan;Day, Brad;Lu, Yi-Ju;Li, Pai;Tsuda, Kenichi;Tsuda, Kenichi;Tsuda, Kenichi;Mine, Akira

作者机构：

关键词： Arabidopsis; effector-triggered immunity (ETI); heat stress; NON-RACE-SPECIFIC DISEASE RESISTANCE-1 (NDR1); Pst-AvrRpt2; salicylic acid

期刊名称：NEW PHYTOLOGIST （ 影响因子：10.323； 五年影响因子：10.768 ）

ISSN： 0028-646X

年卷期： 2022 年 235 卷 3 期

页码：

收录情况： SCI

摘要： Abiotic and biotic environments influence a myriad of plant-related processes, including growth, development, and the establishment and maintenance of interaction(s) with microbes. In the case of the latter, elevated temperature has been shown to be a key factor that underpins host resistance and pathogen virulence. In this study, we elucidate a role for Arabidopsis NON-RACE-SPECIFIC DISEASE RESISTANCE1 (NDR1) by exploiting effector-triggered immunity to define the regulation of plant host immunity in response to both pathogen infection and elevated temperature. We generated time-series RNA sequencing data of WT Col-0, an NDR1 overexpression line, and ndr1 and ics1-2 mutant plants under elevated temperature. Not surprisingly, the NDR1-overexpression line showed genotype-specific gene expression changes related to defense response and immune system function. The results described herein support a role for NDR1 in maintaining cell signaling during simultaneous exposure to elevated temperature and avirulent pathogen stressors.

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