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
作者： Xu, Jianhong 1 ; Deng, Peng 2 ; Showmaker, Kurt C. 3 ; Wang, Hui 3 ; Baird, Sonya M. 2 ; Lu, Shi-En 2 ;
作者机构： 1.Jiangsu Acad Agr Sci, Minist Agr, Key Lab Control Technol & Stand Agroprod Safety &, Nanjing, Jiangsu, Peoples R China
2.Mississippi State Univ, Dept Biochem Mol Biol Entomol & Plant Pathol, Mississippi State, MS 39762 USA
3.Mississippi State Univ, Inst Genom Biocomp & Biotechnol, Mississippi State, MS 39762 USA
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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