Salinisphaera halophila sp nov., a moderately halophilic bacterium isolated from brine of a salt well

文献类型: 外文期刊

第一作者: Zhang, Yun-Jiao

作者: Zhang, Yun-Jiao;Tang, Shu-Kun;Shi, Rong;Chen, Chao;Yang, Ling-Ling;Zhou, Yu;Li, Wen-Jun;Zhang, Yun-Jiao;Tang, Shu-Kun;Shi, Rong;Chen, Chao;Yang, Ling-Ling;Zhou, Yu;Li, Wen-Jun;Klenk, Hans-Peter;Zhou, Yu;Li, Wen-Jun

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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 )

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收录情况: SCI

摘要: A Gram-stain-negative, moderately halophilic, strictly aerobic bacterium, designated YIM 95161T, was isolated from brine of a salt well in Yunnan province, China, and subjected to a taxonomic study using a polyphasic approach. Cells of strain YIM 95161T were short rods, approximately 0.9–1.4 μm long and 0.4–0.6 μm wide. Strain YIM 95161T grew at 15–40 °C (optimum, 25–30 °C), 6–29% (w/v) NaCl (optimum, 14–19%) and at pH 5.0–8.0 (optimum, pH 7.0). The predominant isoprenoid quinone was Q-8. The major fatty acids (>10%) were summed feature 8 (C18:1ω6c and/or C18:1ω7c) and C14:0. The polar lipids consisted of diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol, one unknown phosphoglycolipid and two unknown lipids. The DNA G+C content was 69.5%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain YIM 95161T was a member of the genus Salinisphaera and exhibited sequence similarities of 96.7%, 95.6% and 95.4% to Salinisphaera shabanensis E1L3AT, Salinisphaera dokdonensis CL-ES53T and Salinisphaera hydrothermalis EPR70T, respectively. On the basis of phylogenetic, physiological and chemotaxonomic analysis, strain YIM 95161T represents a novel species of the genus Salinisphaera, for which the name Salinisphaera halophila sp. nov. is proposed. The type strain is YIM 95161T (=CCTCC AB 2011132T=JCM 17431T).

分类号: Q

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