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Volume 58, Issue 12

sp. nov., a moderately halophilic bacterium isolated from Ai-Ding salt lake in China Free

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, grew at salinities of 8–33 % (w/v) NaCl (optimally at 12 %, w/v). The genomic DNA G+C content of strain 17-5 was 48.1 mol%. The predominant isoprenoid quinone was MK-7(H) and the cell-wall peptidoglycan contained -diaminopimelic acid. The major polar lipids were diphosphatidylglycerol and an unidentified glycolipid. The major cellular fatty acids were anteiso-C, anteiso-C, iso-C and C. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain 17-5 was a member of the genus , being most closely related to JCM 14087 (96.0 % sequence similarity) and DSM 16461 (95.6 %). The levels of 16S rRNA gene sequence similarity with respect to other 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 indicated that strain 17-5 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is 17-5 (=CGMCC 1.3227=DSM 18341).

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2008-12-01
2024-04-19
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Bacillus aidingensis sp. nov., a moderately halophilic bacterium isolated from Ai-Ding salt lake in China
Int J Syst Evol Microbiol 58, 2828 (2008); https://doi.org/10.1099/ijs.0.2008/000471-0
/content/journal/ijsem/10.1099/ijs.0.2008/000471-0
/content/journal/ijsem/10.1099/ijs.0.2008/000471-0
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vol. , part 12, pp. 2828 - 2832

Photomicrographs of cells of strain 17-5 ( sp. nov.). [PDF](212 KB)

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