期刊
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
卷 58, 期 -, 页码 2282-2286出版社
SOC GENERAL MICROBIOLOGY
DOI: 10.1099/ijs.0.65369-0
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资金
- 21C Frontier Microbial Genomics and Application Center Program
- global joint R&D Program, Republic of Korea
- Ministry of Education, Science & Technology (MoST), Republic of Korea [2007-00407] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [11-2008-01-001-00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Two Gram-positive, motile, rod-shaped, halophilic bacteria showing optimum growth at 5-7% (w/v) NaCl were isolated from a salt lake, Xin-Jiang Province, China. The strains, designated BH312(T) and BH314, grew in the presence of 1-18 % (w/v) NaCl and at temperatures of 15-50 degrees C (optimum: 40 degrees C) and pH values of 5.5-10.0 (optimum: pH 7.5-8.0). The major cellular fatty acids were anteiso-C-15: 0, iso-C-15:0 and anteiso-C-17:0. The DNA G + C content was 38.8-39.0 mol% and the predominant lipoquinone was MK-7. The major cellular phospholipids were phosphaticlylglycerol, diphosphatidylglycerol and two unidentified phospholipids. Phylogenetic analyses based on 1 EIS rRNA gene sequences showed that the isolates formed a cluster with Gracilibacillus orientalis XH-63 T within the genus Gracilibacillus. The levels of 16S rRNA gene sequence similarity with closely related type strains were lower than 96.2 %. On the basis of phylogenetic, phenotypic and chemotaxonomic properties, the isolates represent a novel species of the genus Gracilibacillus for which the name Gracilibacillus lacisalsi sp. nov. is proposed. The type strain is BH312(T) (=KCTC 13129(T) = DSM 19029(T)).
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