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  • Title: Salipiger nanhaiensis sp. nov., a bacterium isolated from deep sea water.
    Author: Dai X, Shi X, Gao X, Liang J, Zhang XH.
    Journal: Int J Syst Evol Microbiol; 2015 Apr; 65(Pt 4):1122-1126. PubMed ID: 25589735.
    Abstract:
    A Gram-stain-negative, facultatively anaerobic, chemoheterotrophic, moderately halophilic, exopolysaccharide (EPS)-producing, cream, non-motile and rod-shaped bacterium, designated strain ZH114(T), was isolated from deep water of the South China Sea, and was subjected to a polyphasic taxonomic study. Phylogenetic analysis, based on 16S rRNA gene sequences, indicated that this strain belongs to the genus Salipiger with the highest sequence similarity to Salipiger mucescens LMG 22090(T) (96.83%), followed by Pseudodonghicola xiamenensis LMG 24574(T) (96.12%). Growth occurred at 4-37 °C (optimum 32 °C), pH 6.0-10.0 (optimum pH 9.0-10.0) and in the presence of 0-19% NaCl (w/v) (optimum 6%, w/v). It did not produce poly-β-hydroxyalkanoate granules or bacteriochlorophyll a. Acid was produced from glycerol, erythrose, ribose, D-xylose, galactose, glucose, fructose, mannitol, cellobiose, maltose, lactose, melibiose, turanose, D-lyxose, D-tagatose, D-fucose, D-arabitol and L-arabitol after inoculating for 24 h and weakly positive results were also detected after 48 h in API 50CH strips with D-arabinose, L-arabinose, L-xylose, adonitol, mannose, aesculin, salicin, sucrose, mycose and L-fucose. The predominant fatty acids were C(18 : 1)ω7c and/or C(18 : 1)ω6c, C(16 : 0), C(18 : 0) and 11-methyl C(18 : 1)ω7c. The major polar lipids of ZH114(T) were phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and two unidentified lipids. The major respiratory quinone was ubiquinone Q-10. The genomic DNA G+C content of strain ZH114(T) was 63.8 mol%. Based on this phenotypic, chemotaxonomic and phylogenetic analysis, strain ZH114(T) should be classified as a representative of a novel species of the genus Salipiger , for which the name Salipiger nanhaiensis sp. nov. is proposed. The type strain is ZH114(T) ( = JCM 19383(T) = KCTC 32468(T)).
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