Abstract
A novel actinomycete strain, designated XHU 5089T, was isolated from a hypersaline habitat in China. The strain was aerobic, Gram-stain-positive and the optimum NaCl concentration for growth was 1-3 % (w/v). Phylogenetic analysis based on the almost-complete 16S rRNA gene sequence of strain XHU 5089T showed that the organism was related most closely to Glycomyces albusTRM 49136T (97.7 % similarity). However, it had a relatively low mean DNA-DNA relatedness value with G. albusTRM 49136T (18.9±5.8 %). The whole-cell sugar pattern consisted of glucose and galactose. The predominant menaquinones were MK-10(H4) and MK-9(H4). The major fatty acids were anteiso-C15 : 0, iso-C16 : 0, iso-C16 : 1 and anteiso-C17 : 0. The polar lipids consisted of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, two unidentified glycolipids and two unknown phospholipids. The G+C content of the genomic DNA was 68.6 mol%. A novel species, Glycomyces lacisalsi sp. nov., is proposed, with XHU 5089T (=CCTCC AA 2015034T=KCTC 39688T) as the type strain.
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