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A novel actinomycete strain, designated S2704^T, was isolated from a deep sediment sample, collected from the southern Black Sea coast, Turkey and characterized using a polyphasic approach. Comparison of 16S rRNA gene sequences showed that strain S2704^T is a member of the genus Streptomyces, exhibiting highest similarity with Streptomyces specialis GW 41-1564^T (97.1 %). Strain S2704^T could be distinguished from all other Streptomyces species with validly published names by sequence similarity values less than 97.0 %. The isolate was found to contain LL-diaminopimelic acid as the diagnostic diamino acid. Whole cell hydrolysates were found to contain glucose, mannose and ribose. The polar lipids were identified as diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylmethylethanolamine, phosphatidylinositol, glycophospholipid, a phospholipid and two unknown glycolipids …