Transcriptome reveals the molecular mechanism of chaetoviridin A inhibiting the spore germination of Verticillium dahliae
文献类型： 外文期刊
作者： Zhang, Yun 1 ; Yang, Yuanxue 1 ; Wang, Aiyu 1 ; Xue, Chao 1 ; Zhao, Ming 1 ; Zhang, Jianhua 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Ind Crops, Jinan 250100, Peoples R China
关键词： Chaetoviridin A; Verticillium dahliae; Spore germination; Molecular mechanism; Transcriptome
期刊名称：JOURNAL OF PLANT PATHOLOGY （ 影响因子：2.2； 五年影响因子：2.1 ）
ISSN： 1125-4653
年卷期： 2023 年
页码：
收录情况： SCI
摘要： The pathogen Verticillium dahliae causes Verticillium wilt in a number of crops, including cotton Verticillium wilt. Chaetoviridin A, a secondary metabolite of Chaetomium globosum, significantly inhibits the growth of V. dahliae. Spore germination is a major part of the disease cycle. However, the molecular mechanism of chaetoviridin A inhibiting spore germination of V. dahliae is unknown. In this work, we found that chaetoviridin A significantly inhibited spore germination of V. dahliae. Transcriptome analysis showed that DEGs were enriched in linolenic acid metabolism, alpha-Linolenic acid metabolism, Arachidonic acid metabolism and Purine metabolism pathways at 1 h, which were related to cell membrane. At 3 h, DEGs were enriched in the pathways of galactose metabolism, diterpenoid biosynthesis, cysteine and methionine metabolism, and starch and sucrose metabolism, which were mainly related to amino acid metabolism and sugar metabolism. Several genes related to glucose metabolism were identified, mainly including Glucagon endo-1,3-alpha-glucosidase agn1, glucoamylase, maltose O-acetyltransferase, and beta-galactosidase. Stress resistance gene PAL, detoxification gene P450 2C31 and ABA receptor were also down- regulated. These genes may be related to spore germination. These results provide a theoretical basis for chaetoviridin A to control fungal diseases.
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