Phenotypic and Genomic Characterization of Pseudomonas wuhanensis sp. nov., a Novel Species with Promising Features as a Potential Plant Growth-Promoting and Biocontrol Agent

文献类型： 外文期刊

第一作者： Hou, Jiawei

作者： Hou, Jiawei;Zhang, Yong-Jie;Hou, Jiawei;Liao, Kaiji;Li, Jun-Zhou;Wei, Hai-Lei

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关键词： Pseudomonas wuhanensis sp. nov.; novel species; plant growth-promoting rhizobacteria; taxonomy; biological control

期刊名称：MICROORGANISMS （ 影响因子：4.5； 五年影响因子：4.8 ）

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年卷期： 2024 年 12 卷 5 期

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收录情况： SCI

摘要： Plant growth-promoting rhizobacterial strain FP607(T) was isolated from the rhizosphere of beets in Wuhan, China. Strain FP607(T) exhibited significant antagonism toward several phytopathogenic bacteria, indicating that FP607(T) may produce antimicrobial metabolites and has a stronger biocontrol efficacy against plant pathogens. Growth-promoting tests showed that FP607(T) produced indole-3-acetic acid (IAA), NH3, and ferritin. The genome sequence of strain FP607(T) was 6,590,972 bp long with 59.0% G + C content. The optimum temperature range was 25-30 degrees C, and the optimum pH was 7. The cells of strain FP607(T) were Gram-negative, short, and rod-shaped, with polar flagella. The colonies on the King's B (KB) agar plates were light yellow, smooth, and circular, with regular edges. A phylogenetic analysis of the 16S rRNA sequence and a multilocus sequence analysis (MLSA) showed that strain FP607(T) was most closely related to the type of strain Pseudomonas farris SWRI79(T). Based on a polyphasic taxonomic approach, strain FP607(T) was identified as a novel species within the genus Pseudomonas, for which the name Pseudomonas wuhanensis sp. nov. was proposed. The type of strain used was FP607(T) (JCM 35688, CGMCC 27743, and ACCC 62446).

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