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A Gram-positive, motile, moderately halophilic and rod-shaped bacterium, strain AHS-1T, was isolated from a marine solar saltern in Korea, and its exact taxonomic position was investigated by use of a polyphasic study. Strain AHS-1T grew optimally at pH 6.5–7.0 and 37–40 °C in the presence of 10–12 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain AHS-1T belonged to the genus Lentibacillus. Strain AHS-1T exhibited a 16S rRNA gene sequence similarity value of 97.0 % to the type strain of Lentibacillus salarius and values of 95.0–96.7 % to the type strains of other recognized Lentibacillus species. Strain AHS-1T had cell-wall peptidoglycan based on meso-diaminopimelic acid. It contained MK-7 as the predominant menaquinone. The major fatty acids (>10 % of total fatty acids) were anteiso-C15 : 0 and anteiso-C17 : 0, and the major polar lipids were phosphatidylglycerol, diphosphatidylglycerol and two unidentified glycolipids. The DNA G+C content was 49.0 mol%. Strain AHS-1T shared a mean level of DNA–DNA relatedness of 8.5 % with L. salarius KCTC 3911T. Strain AHS-1T could also be distinguished from recognized Lentibacillus species based on several phenotypic properties. On the basis of phenotypic, chemotaxonomic, phylogenetic and genetic data, strain AHS-1T is considered to represent a novel species of the genus Lentibacillus, for which the name Lentibacillus salinarum sp. nov. is proposed. The type strain is AHS-1T (=KCTC 13162T=CCUG 54822T).
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International Journal of Systematic and Evolutionary Microbiology vol. 58 , part 1, pp. 45 - 49
Supplementary Table S1. Cellular fatty acid compositions of Lentibacillus salinarum sp. nov. strain AHS-1 Tand other recognized Lentibacillus species. [PDF](77 KB)