Oryzifoliimicrobium ureilyticus gen. nov., sp. nov., a Novel Phosphate-Solubilizing and Siderophore-Producing Bacterium Within the Family Rhizobiaceae

文献类型： 外文期刊

第一作者： Yao, Ling

作者： Yao, Ling;Gao, Peng;Zhang, Shu-Qun;Rensing, Christopher;Zhou, Shun-Gui;Liu, Guo-Hong;Li, Bing;Li, Wen-Qing

作者机构：

期刊名称：CURRENT MICROBIOLOGY （ 影响因子：2.6； 五年影响因子：2.6 ）

ISSN： 0343-8651

年卷期： 2025 年 82 卷 9 期

页码：

收录情况： SCI

摘要： A Gram-stain-negative, rod-shaped, strictly aerobic bacterium strain SG148T, within the family Rhizobiaceae, was isolated from rice leaves collected in Fujian Province, China. Phylogenetic analysis utilizing 16S rRNA gene sequences revealed that strain SG148T displayed a high sequence similarity of 95.2-95.8% to the strains of closely related species of Shinella and Rhizobium. The highest digital DNA-DNA hybridization (dDDH), core-proteome average amino acid identity (cpAAI), and average nucleotide identity (ANI) values between strain SG148T and related strains were estimated as 20.7%, 79.3%, and 73.7%, respectively. The predominant respiratory quinones in strain SG148T were identified as Q-9 and Q-10, while major polar lipids included diphosphatidylglycerol, phosphatidylcholine, phosphatidylglycerol, and phosphatidylethanolamine. Additionally, strain SG148T was capable of phosphate-solubilizing and siderophore-producing carrier, significantly promoting rice seedling growth. The DNA G + C content was determined to be 56.1%. Given its distinct phylogenetic and phenotypic characteristics, strain SG148T is considered to represent a novel genus, for which the name Oryzifoliimicrobium ureilyticus gen. nov., sp. nov. is proposed. The type strain is SG148T (= MCCC 1K08901T = KCTC 8337T).

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