Talaromyces purpureogenus CEF642N as a Promising Biocontrol Agent for Cotton Disease Control

文献类型： 外文期刊

第一作者： Li, Peng

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

作者机构：

关键词： Talaromyces purpureogenus CEF642(N); antifungal activity; secondarymetabolites; volatile organic compounds; mycoparasitism

期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：6.2； 五年影响因子：6.4 ）

ISSN： 0021-8561

年卷期： 2025 年 73 卷 5 期

页码：

收录情况： SCI

摘要： Endophytic fungi live in healthy plant tissues and organs and are a major source of natural bioactive compounds. In this study, we found that an endophytic fungus, Talaromyces purpureogenus CEF642N, isolated from the healthy cotton roots, suppressed Verticillium dahliae by up to 53% after 15 days in a confrontation culture. Genome sequencing of CEF642N and mass spectrometry study of its metabolites were used to identify its primary antagonists. To further elucidate the antagonistic mechanism, transcriptome analysis and ultrastructure observation of the pathogen were performed. The antagonists were shown to act on the mitochondria and cell membranes of the pathogen. In addition, CEF642N also had mycoparasitic effects on V. dahliae. These results suggest that CEF642N has the potential to be an important biocontrol agent for efficiently managing Verticillium wilt, a severe disease affecting cotton.

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