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Aquisalimonas halophila sp. nov., a moderately halophilic bacterium isolated for a hypersaline mine

Lookup NU author(s): Professor Hans-Peter Klenk


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A Gram-negative, moderately halophilic, strictly aerobic strain, designated YIM 95345T, was isolated from a soil sample of a hypersaline mine in Yunnan province, PR China, and subjected to a polyphasic taxonomic study. Strain YIM 95345T grew at 15–45 °C (optimum 30–35 °C), 3.0–23.0 % (w/v) NaCl (optimum 10.0–11.0 %, w/v) and pH 6.0–9.0 (optimum pH 7.0–8.0). Phylogenetic analyses based on 16S rRNA gene sequences revealed that the organism belongs to the genus Aquisalimonas and exhibited sequence similarity of 96.6 % to the sole type strain Aquisalimonas asiatica CG12T. The predominant isoprenoid quinone was Q-8 and the major fatty acids were C16 : 0, C19 : 0 cyclo ω8c and C18 : 1ω7c. The polar lipids consisted of diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylinositol, three aminolipids and three unidentified phospholipids. The G+C content of the genomic DNA was 59.4 mol%. Based on the results of our comparative phylogenetic, chemotaxonomic and physiological analyses, the new isolate is assigned to a novel species of the genus Aquisalimonas, for which the name Aquisalimonas halophila sp. nov. is proposed, with the type strain YIM 95345T ( = DSM 25902T = CCTCC AB 2012043T).

Publication metadata

Author(s): Zhang YJ, Jia M, Ma YC, Lu KY, Tian F, Klenk HP, Zhou Y, Tang SK

Publication type: Article

Publication status: Published

Journal: International Journal of Systematic and Evolutionary Microbiology

Year: 2014

Volume: 64

Issue: 7

Pages: 2210-2216

Print publication date: 01/07/2014

Online publication date: 03/04/2014

ISSN (print): 1466-5026

ISSN (electronic): 1466-5034

Publisher: Society for General Microbiology


DOI: 10.1099/ijs.0.059428-0


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