Bacillus xiapuensis sp. nov., isolated from marine sediment

文献类型： 外文期刊

第一作者： Liu, Guo-Hong

作者： Liu, Guo-Hong;Liu, Bo;Liu, Qin-Ying;Wang, Jie-Ping;Che, Jian-Mei;Zhang, Hai-Feng;Lan, Jiang-Lin;Sengonca, Cetin

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关键词： Bacillus xiapuensis sp. nov.; taxono-genomics; ANI; isDDH; Xiapu; Fujian; coastal sediment

期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）

ISSN： 1466-5026

年卷期： 2019 年 69 卷 6 期

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收录情况： SCI

摘要： A rod-shaped, endospore-forming, aerobic bacterium, designated FJAT-46582(T), was isolated from a sediment sample of the coastal region in Xiapu County, Fujian Province in China. Growth was observed at 10-30 degrees C (optimum, 25 degrees C), in 0-7.0 % NaCl (0 %) and at pH 6.0-11.0 (pH 8.0), respectively. The cell-wall peptidoglycan contained meso-diaminopimelic acid and the isoprenoid quinone was MK-7. The main fatty acids were anteiso-C-17:0 (26.5 %), anteiso-C-15:0 (19.6%), iso-C-15:0 (14.4%) and C-16:0 (10.5%). The main polar lipids were diphosphatidylglycerol, phosphatidylglycerol and phosphatidyl ethanolamine. Phylogenetic analysis based on 16S rRNA gene sequences affiliated strain FJAT-46582(T) with the genus Bacillus, and showed the highest sequence similarity to Bacillus thermotolerans SGZ-8(T) (97.6 %) and Bacillus ectoinformans (97.1%). The average nucleotide identity and in silico DNA-DNA hybridization values between strain FJAT-46582(T) and the most closely related species were 72.3 and 22.9 %, respectively, which were much lower than the thresholds commonly used to define species (96 and 70 %, respectively) indicating that it belonged to a different taxon. The DNA G+C content was 44.2 mol%. The phenotypic characters and taxono-genomics study revealed that strain FJAT-46582(T) represents a novel Bacillus species, for which the name Bacillus xiapuensis sp. nov. is proposed. The type strain is FJAT-46582(T) (=JCM 33155=CCTCC AB 2017047(T)).

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