数字农科院2.0

Antifungal Volatile Organic Compounds from Talaromyces purpureogenus CEF642N: Insights from One Strain Many Compounds (OSMAC) Strategy for Controlling Verticillium dahliae in Cotton

文献类型： 外文期刊

作者： Li, Peng;Zhang, Yalin;Feng, Hongjie;Zhou, Jinglong;Zhao, Lihong;Zhu, Heqin;Wei, Feng;Feng, Zili

作者机构：

关键词： Talaromyces purpureogenus CEF642(N);Verticillium dahliae;volatile organic compounds;antifungal activity;transcriptome analysis

期刊名称： JOURNAL OF FUNGI

ISSN：

年卷期： 2025 年 11 卷 5 期

页码：

收录情况： SCIE（2025版）

摘要： Verticillium wilt is a devastating soil-borne disease that significantly impacts cotton production, necessitating the development the effective biofumigants for its control. In this study, the inhibitory effect of total volatile organic compounds (VOCs) produced by Talaromyces purpureogenus CEF642N against Verticillium dahliae were evaluated using the one strain many compounds (OSMAC) strategy and analyzed through volatile metabolome. CEF642N was found to produce two primary VOCs, 3-octanol and 2-octenal, (E)-, both of which demonstrated significant antifungal activity. Transcriptome analysis of mycelium grown on various solid media revealed notable differences in the expression of genes associated with arachidonic acid metabolism, lipoxygenase (LOX), and lytic enzymes. These findings provide a foundation for future research aimed at identifying key genes involved in the eight-carbon volatile biosynthetic pathway.

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