科研之友
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摘要
A novel actinomycete strain, designated XHU 5089(T), 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 50891 showed that the organism was related most closely to Glycomyces albus TRM 49136(T) (97.7% similarity). However, it had a relatively low mean DNA DNA relatedness value with G. albus TRM 49136(T) (18.9 +/- 5.8%). The whole-cell sugar pattern consisted of glucose and galactose. The predominant menaquinones were MK-10(H-4) and MK-9 (H-4). The major fatty acids were anteiso-C-15:0, iso-C-16:0 iSO-C-16:1 and anteiso-C-17:0. 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 50891 (=CCTCC AA 2015034(T)=KCTC 39688(T)) as the type strain.
