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Metabacillus arenae sp. nov., isolated from seashore sand

文献类型： 外文期刊

作者： Fang, Qingjian 1 ; Wu, Qingjuan 2 ; Huang, Huiqin 2 ; Hu, Yonghua 2 ; Li, Chenghua 1 ; Mo, Kunlian 2 ;

作者机构： 1.Ningbo Univ, Sch Marine Sci, Ningbo 315211, Zhejiang, Peoples R China

2.CATAS, Zhanjiang Expt Stn, Zhanjiang 524013, Peoples R China

3.CATAS, Inst Trop Biosci & Biotechnol, Haikou 571101, Peoples R China

4.Hainan Inst Trop Agr Resources, Key Lab Biol & Genet Resources Trop Crops Hainan P, Haikou 571101, Peoples R China

5.Hainan Prov Key Lab Funct Components Res & Utiliza, Haikou 571101, Peoples R China

6.Pilot Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China

关键词： Metabacillus arenae sp; nov; 16S rRNA gene; polyphasic taxonomy

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.8； 五年影响因子：2.6 ）

ISSN： 1466-5026

年卷期： 2023 年 73 卷 3 期

页码：

收录情况： SCI

摘要： A Gram- stain- positive, non- motile, rod- shaped, facultatively anaerobic bacterium, designated as IB182487T, was isolated from a seashore sand sample collected from Zhaoshu Island, PR China. Strain IB182487T grew at pH 6.0-10.0 (optimum, pH 8.0), 4-45 & DEG;C (optimum, 25-30 & DEG;C) and with 0-17 % (w/v) NaCl (optimum, 2-10 %). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain IB182487T belonged to the genus Metabacillus and was closely related to Metabacillus idriensis SMC 4352- 2T, (96.6 %), Metabacillus indicus LMG 22858T (96.5 %), Metabacillus niabensis DSM 17723T (96.3 %) and Metabacillus halosaccharovorans DSM 25387T (96.1 %). Strain IB182487T had meso- diaminopimelic acid as the diagnostic diamino acid in the cell- wall peptidoglycan and contained menaquinone MK- 7 as the predominant isoprenoid quinone. Its polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, two unidentified phospholipids and three unidentified glycolipids. The major cellular fatty acids of strain IB182487T were iso- C15: 0 and anteiso- C15:0. The whole genome average nucleotide identity and digital DNA-DNA hybridization analysis between the isolate and its closely related type strains demonstrated that the strain significantly differed from other Metabacillus species. The genomic DNA G+C content of strain IB182487T was 37.4 mol%. On the basis of phenotypic and chemotaxonomic properties, phylogenetic relatedness as well as genomic characteristics, strain IB182487T represents a novel species of the genus Metabacillus, for which the name Metabacillus arenae sp. nov. is proposed. The type strain of M. arenae is IB182487T (=MCCC 1K04629T=JCM 34523T).

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