New insights into defense responses against Verticillium dahliae infection revealed by a quantitative proteomic analysis in Arabidopsis thaliana

文献类型： 外文期刊

第一作者： Wu, Min

作者： Wu, Min;Wang, Fuxin;Wu, Min;Xia, Guixian;Wang, Fuxin;Wu, Min;Li, Qiulin;Zhang, Yongshan;Wang, Fuxin

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关键词： Arabidopsis; camalexin; cyanogenic biosynthesis; exosome; iTRAQ; plant immunity; proteome; Verticillium dahliae

期刊名称：FUNCTIONAL PLANT BIOLOGY （ 影响因子：2.812； 五年影响因子：3.291 ）

ISSN： 1445-4408

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收录情况： SCI

摘要： Verticillium wilt is a highly destructive fungal disease that attacks a broad range of plants, including many major crops. However, the mechanism underlying plant immunity toward Verticillium dahliae is very complex and requires further study. By combining bioinformatics analysis and experimental validation, we investigated plant defence responses against V. dahliae infection in the model plant Arabidopsis thaliana L. A total of 301 increased and 214 decreased differentially abundant proteins (DAPs) between mock and infected wild type (WT) plants were acquired and bioinformatics analyses were then conducted and compared (increased vs decreased) in detail. In addition to the currently known mechanisms, several new clues about plant immunity against V. dahliae infection were found in this study: (1) exosome formation was dramatically induced by V. dahliae attack; (2) tryptophan-derived camalexin and cyanogenic biosynthesis were durably promoted in response to infection; and (3) various newly identified components were activated for hub immunity responses. These new clues provide valuable information that extends the current knowledge about the molecular basis of plant immunity against V. dahliae infection.

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