Chitin elicitor receptor kinase 1 (CERK1) is required for the non-host defense response of Arabidopsis to Fusarium oxysporum f. Sp cubense

文献类型： 外文期刊

第一作者： Huang Huaping

作者： Huang Huaping;Jing Xiaohui;Wu Lunying;Huang Huaping;Huang Junsheng

作者机构：

关键词： Non-host resistance;PAMP-triggered immunity (PTI);Stomatal closure;Reactive oxygen species (ROS) burst;Callose deposition

期刊名称：EUROPEAN JOURNAL OF PLANT PATHOLOGY （ 影响因子：1.907； 五年影响因子：2.022 ）

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收录情况： SCI

摘要： Banana wilt disease is a typical vascular disease caused by the fungal pathogen Fusarium oxysporum f. sp. cubense 4 (Foc 4). Pattern recognition receptors in the plant cell membrane can recognize pathogen-associated molecular patterns (PAMPs) to activate multi-layer defense responses, including defense gene expression, stomatal closure, reactive oxygen species (ROS) burst and callose deposition, to limit pathogen growth. In the present study, we found that chitin elicitor receptor kinase 1 (CERK1) was required for the non-host resistance of Arabidopsis thaliana to Foc B2 (a strain of Foc 4). The cerk1 mutant had weaker defense responses after Foc B2 treatment, including lower expression of PAMP- and salicylic acid-responsive genes, no stomatal closure, lower ROS level and less callose deposition, than that of the wild-type plant. Consistent with this, the cerk1 mutant plants exhibited higher susceptibility to non-host pathogen Foc B2. These results suggest the crucial importance of CERK1 in Foc B2-triggered non-host resistance.

分类号： S432.1

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