Ciceribacter sichuanensis sp. nov., a plant growth promoting rhizobacterium isolated from root nodules of soybean in Sichuan, China

文献类型： 外文期刊

第一作者： Zhang, Yanqin

作者： Zhang, Yanqin;Chen, Yuanxue;Penttinen, Petri;Quan, Ying;Wen, Licheng;Yang, Miao;Zhang, Xiaoping;Chen, Qiang;Zhang, Lingzi;Xu, Kaiwei;Wang, Xing;Zhang, Xiaoxia;Zhang, Junjie

作者机构：

关键词： Ciceribacter sichuanensis; Soybean; Genome; Taxonomy

期刊名称：ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY （ 影响因子：2.6； 五年影响因子：2.8 ）

ISSN： 0003-6072

年卷期： 2024 年 117 卷 1 期

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收录情况： SCI

摘要： The fast-growing rhizobia-like strains S101(T) and S153, isolated from root nodules of soybean (Glycine max) in Sichuan, People's Republic of China, underwent characterization using a polyphasic taxonomy approach. The strains exhibited growth at 20-40 degrees C (optimum, 28 degrees C), pH 4.0-10.0 (optimum, pH 7.0) and up to 2.0% (w/v) NaCl (optimum, 0.01%) on Yeast Mannitol Agar plates. The 16S rRNA gene of strain S101(T) showed 98.4% sequence similarity to the closest type strain, Ciceribacter daejeonense L61(T). Major cellular fatty acids in strain S101(T) included summed feature 8 (C-18:1 omega 7c and/or C-18:1 omega 6c) and C-19:0 cyclo omega 8c. The predominant quinone was ubiquinone-10. The polar lipids of strain S101(T) included diphosphatidylglycerol, phosphatidylglycerol, phosphatidylmethyl ethanolamine, phosphatidyl ethanolamine, amino phospholipid, unidentified phosphoglycolipid and unidentified amino-containing lipids. The DNA G + C contents of S101(T) and S153 were 61.1 and 61.3 mol%, respectively. Digital DNA-DNA hybridization relatedness and average nucleotide identity values between S101(T) and C. daejeonense L61(T) were 46.2% and 91.4-92.2%, respectively. In addition, strain S101(T) promoted the growth of soybean and carried nitrogen fixation genes in its genome, hinting at potential applications in sustainable agriculture. We propose that strains S101(T) and S153 represent a novel species, named Ciceribacter sichuanensis sp. nov., with strain S101(T) as the type strain (= CGMCC 1.61309( T) = JCM 35649( T)).

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