Transcriptome and metabolite analyses indicated the underlying molecular responses of Asian ginseng (Panax ginseng) toward Colletotrichum panacicola infection

文献类型： 外文期刊

第一作者： Xia, Jinglin

作者： Xia, Jinglin;Han, Junyou;Sun, Jingyuan;Xu, Tianyi;Liu, Shouan;Liu, Ning

作者机构： Jilin Univ, Lab Tea & Med Plant Biol, Changchun, Peoples R China;Chinese Acad Agr Sci, Inst Special Anim & Plant Sci, Changchun, Peoples R China

关键词： Panax ginseng; Colletotrichum panacicola; transcriptome; anthracnose disease; flavonoids

期刊名称：FRONTIERS IN PLANT SCIENCE （ 2022影响因子：5.6； 五年影响因子：6.8 ）

ISSN： 1664-462X

年卷期： 2023 年 14 卷

页码：

收录情况： SCI

摘要： Panax ginseng Meyer is one of the most valuable plants and is widely used in China, while ginseng anthracnose is one of the most destructive diseases. Colletotrichum panacicola could infect ginseng leaves and stems and causes serious anthracnose disease, but its mechanism is still unknown. Here, transcriptome and metabolism analyses of the host leaves were conducted to investigate the ginseng defense response affected by C. panacicola. Upon C. panacicola infection, ginseng transcripts altered from 14 to 24 h, and the expression of many defense-related genes switched from induction to repression. Consequently, ginseng metabolites in the flavonoid pathway were changed. Particularly, C. panacicola repressed plant biosynthesis of the epicatechin and naringin while inducing plant biosynthesis of glycitin, vitexin/isovitexin, and luteolin-7-O-glucoside. This work indicates C. panacicola successful infection of P. ginseng by intervening in the transcripts of defense-related genes and manipulating the biosynthesis of secondary metabolites, which might have antifungal activities.

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