The pqqC gene is essential for antifungal activity of Pseudomonas kilonensis JX22 against Fusarium oxysporum f. sp lycopersici

文献类型： 外文期刊

第一作者： Xu, Jianhong

作者： Xu, Jianhong;Xu, Jianhong;Deng, Peng;Baird, Sonya M.;Lu, Shi-En;Showmaker, Kurt C.;Wang, Hui

作者机构：

关键词： bacteria;antimicrobial activity;fungi;mutagenesis

期刊名称：FEMS MICROBIOLOGY LETTERS （ 影响因子：2.742； 五年影响因子：2.856 ）

ISSN： 0378-1097

年卷期： 2014 年 353 卷 2 期

页码：

收录情况： SCI

摘要： Strain JX22, exhibiting a broad range of antimicrobial activities to fungal pathogens, was isolated and classified as representing Pseudomonas kilonensis. In this study, the mutant JX22MT1 was obtained by the EZ-Tn5 transposon mutation and showed no antifungal activity against Fusarium oxysporum f. sp. lycopersici as compared with wild-type strain JX22. The pqqC gene was disrupted in the mutant. Antifungal activity at the wild-type level was restored from the mutant JX22MT1 with the introduction of the functional pqqC gene, which encodes pyrroloquinoline-quinone synthesis protein C. The results suggest that pqqC is essential for antifungal activity of P.kilonensis JX22 against F.oxysporum f. sp. lycopersici.

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