Bacillus suaedae sp. nov., isolated from the stem of Suaeda aralocaspica in north-west China
文献类型: 外文期刊
第一作者: Lei, Rui-Feng
作者: Lei, Rui-Feng;Ma, Qin;Abudourousuli, Dilireba;Rouzi, Zulihumaer;Aosiman, Muyesaier;An, Deng-Di;Li, Yu-Qian;Wang, Shuang;Li, Wen-Jun;Li, Wen-Jun;Li, Wen-Jun
作者机构:
关键词: Bacillus suaedae sp. nov.; halophyte; haloalkaline ecosystem; Gurbantunggut desert; endophyte
期刊名称:INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY ( 影响因子:2.689; 五年影响因子:2.925 )
ISSN: 1466-5026
年卷期: 2022 年 72 卷 5 期
页码:
收录情况: SCI
摘要: YY A bacterial strain, designated YZJH907-2(T), was isolated from the stem of Suaeda aralocaspica, collected from the southern edge of the Gurbantunggut desert, Xinjiang, PR China. Cells of strain YZJH907-2(T) were Gram-stain-positive, aerobic and rod-shaped. They formed white or colourless circular colonies with smooth convex surfaces. Strain YZJH907-2(T) grew at 4-50 degrees C (optimum, 28-30 degrees C), pH 7.0-10.0 (optimum, pH 8.0-9.0) and with 0-10% (w/v) NaCl (optimum, 3-7 %). The genomic DNA G+C content of strain YZJH907-2(T) was 38.1 mol%. Phylogenetic analysis based on 16S rRNA gene sequence similarity showed that the strain was most closely related to Bacillus alcalophilus DSM 485(T) (97.37%), Bacillus kiskunsagensis B16-24(T) (96.87%) and Bacillus bogoriensis LBB3(T) (96.71%). Average nucleotide identity values between YZJH907-2(T) and B. alcalophilus DSM 485(T) and B. bogoriensis LBB3(T) were 69.2 and 69.0 %, respectively. Digital DNA-DNA hybridization values of YZJH907-2(T) with B. alcalophilus DSM 485(T) and B. bogoriensis LBB3(T) were 19.6 and 20.4%, respectively. The cell wall of strain YZJH907-2(T) contained meso-diaminopimelic acid, and the major and secondary isoprenoid quinones were MK-7 and MK-5, respectively. Results of fatty acids showed that anteiso-C-15:0, iso-C-15:0 and C-16:0 were the predominant cellular fatty acids. Two-dimensional thin-layer chromatography analysis indicated that the polar lipids included diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, three unidentified phospholipids and two unidentified glycolipids. Based on the genomic, phylogenetic and phenotypic analyses, strain YZJH907-2(T) represented a novel species of the genus Bacillus, and thus the name Bacillus suaedae sp. nov. is proposed. The type strain is YZJH907-2(T) (=CGMCC 1.18763(T)=KCTC 43335(T)).
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