1887

Abstract

A Gram-positive, rod-shaped, spore-forming and moderately halophilic bacterium (strain 8-1) was isolated from a sediment sample of a neutral salt lake in Xin-Jiang, China. The strain grew optimally at 30 °C, pH 7.0–7.5 and 8–12 % (w/v) NaCl. The major cellular fatty acids were anteiso-C, iso-C and anteiso-C. The predominant isoprenoid quinone was MK-7 and the cell-wall peptidoglycan contained -diaminopimelic acid. Phosphatidylglycerol, diphosphatidylglycerol and two unidentified glycolipids were found to be the major polar lipid components. The genomic DNA G+C content was 43.4 mol%. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that strain 8-1 was closely related to KCTC 3911 (98.0 % sequence similarity) and other recognized species within the genus (94.5–95.9 %). The level of DNA–DNA relatedness between strain 8-1 and KCTC 3911 was 40 %. Based on the phenotypic and genotypic data presented, strain 8-1 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 8-1 (=CGMCC 1.3702=DSM 18342).

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2007-03-01
2024-03-29
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