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Title: Bacillus aidingensis sp. nov., a moderately halophilic bacterium isolated from Ai-Ding salt lake in China. Author: Xue Y, Ventosa A, Wang X, Ren P, Zhou P, Ma Y. Journal: Int J Syst Evol Microbiol; 2008 Dec; 58(Pt 12):2828-32. PubMed ID: 19060067. Abstract: A Gram-positive, halophilic bacterium was isolated from a sediment sample from Ai-Ding salt lake in China. The isolate, designated strain 17-5(T), grew at salinities of 8-33 % (w/v) NaCl (optimally at 12 %, w/v). The genomic DNA G+C content of strain 17-5(T) was 48.1 mol%. The predominant isoprenoid quinone was MK-7(H(2)) and the cell-wall peptidoglycan contained meso-diaminopimelic acid. The major polar lipids were diphosphatidylglycerol and an unidentified glycolipid. The major cellular fatty acids were anteiso-C(15 : 0), anteiso-C(17 : 0), iso-C(16 : 0) and C(16 : 0). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain 17-5(T) was a member of the genus Bacillus, being most closely related to Bacillus qingdaonensis JCM 14087(T) (96.0 % sequence similarity) and Bacillus salarius DSM 16461(T) (95.6 %). The levels of 16S rRNA gene sequence similarity with respect to other Bacillus species were less than 91.7 %. Comparative analysis of the 16S rRNA gene sequence data, chemotaxonomy and phenotypic features of the novel isolate and related species of Bacillus indicated that strain 17-5(T) represents a novel species within the genus Bacillus, for which the name Bacillus aidingensis sp. nov. is proposed. The type strain is 17-5(T) (=CGMCC 1.3227(T)=DSM 18341(T)).[Abstract] [Full Text] [Related] [New Search]