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Int J Syst Evol Microbiol. 2019 Nov 7. doi: 10.1099/ijsem.0.003804. [Epub ahead of print]

Streptomyces roseicoloratus sp. nov., isolated from cotton soil.

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College of Life Science, Tarim University/Key Laboratory of Protection and Utilization of Biological Resources in Tarim Basin of Xinjiang Production & Construction Corps, Alar 843300, PR China.


A novel bacterium, designated TRM 44457T, belonging to the genus Streptomyces, was isolated from soil sampled in cotton fields in Xinjiang, PR China. Comparative 16S rRNA gene sequence analysis indicated that strain TRM 44457T was phylogenetically most closely related to Streptomyces laurentii LMG 19959T (99.38 % sequence similarity); however, strain TRM 44457T had a relatively low DNA-DNA relatedness value with S. laurentii LMG 19959T as determined by calculating the average nucleotide identity value (84.42 %). Strain TRM 44457T possessed ll-diaminopimelic acid as the diagnostic cell-wall diamino acid, MK-9 (H6) and MK-9 (H10) as the major menaquinone. The polar lipids included diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, phosphotidylinositol, phosphatidylinositol mannosides and an unidentified phospholipid. The major fatty acids were anteiso-C15:0, iso-C16:0, anteiso-C17:0, iso-C15:0, C16:0, iso-C17:0, cyclo-C17:0 and anteiso-C17:1ω9c. The genomic DNA G+C content was 72.6 mol%. Based on the evidence from this polyphasic study, strain TRM 44457T represents a novel species of the Streptomyces, for which the name Streptomyces roseicoloratus is proposed. The type strain is TRM 44457T (=KCTC 39904T=CCTCC AA 2016040T).


Actinobacteria; Streptomyces; new taxa


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