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Article

Fengycin deficiency in Bacillus subtilis Pfen-1 increases antagonism and reveals a non-functional role against Sclerotinia sclerotiorum.

Scientific reports - 1 May 2026

Li Qianru, Wang Ying, Jia Qingyun, Ding Jinhao, Zeng Mingbai, Wu Jihua, Guo Xupeng, Fan Chengming, Chen Yuhong, Hu Zanmin

Abstract excerpt

Bacillus subtilis is a widely used agricultural probiotic for plant disease control. We previously reported the novel B. subtilis HF1, which produces abundant fengycin and surfactin lipopeptide homologues. This study investigates fengycin's functions in HF1. Surprisingly, the fengycin-deficient mutant Pfen-1 exhibited enhanced antagonism against Sclerotinia sclerotiorum. Using Pfen-1 as an ideal tool to probe...

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PMID: 42067572
DOI: 10.1038/s41598-026-51307-2
PMCID: PMC13324137

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