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A novel psychrophilic, Gram-positive, yellow-pigmented and aerobic bacterium, strain 0543T, was isolated from the China No. 1 glacier. Strain 0543T was able to grow at 4–23 °C, with optimum growth at 18–19 °C. The major fatty acids were anteiso-C15 : 0 (58.36 %), iso-C16 : 0 (21.13 %), iso-C14 : 0 (10.25 %) and anteiso-C17 : 0 (7.16 %). The genomic DNA G+C content was 63.5 mol% and the major menaquinone was MK-10. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain 0543T represented a lineage within the family Microbacteriaceae, with the highest similarity of 97.4 % with Salinibacterium amurskyense KMM 3673T. On the basis of polyphasic, chemotaxonomic, physiological and biochemical evidence from this study, the novel species Salinibacterium xinjiangense sp. nov. is proposed; the type strain is 0543T(=CGMCC 1.5381T =JCM 13926T).
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