1887

Abstract

A novel actinomycete, strain SST-8, was isolated from sand sediment of Samyang Beach in Jeju, Korea, and subjected to a polyphasic taxonomic study. The organism, which produced opaque, circular, yellow colonies, with a coryneform morphology, showed the following chemotaxonomic characteristics: -diaminopimelic acid as the diamino acid in the peptidoglycan, MK-8(H) as the major menaquinone, phosphatidylglycerol as the only polar lipid, anteiso-C and anteiso-C as major fatty acids and a DNA G+C content of 70.7 mol%. The combination of morphological and chemotaxonomic features supported its classification in the genus . Phylogenetic analyses, based on 16S rRNA gene sequence studies, showed that strain SST-8 formed an intermediate branch between the / and / clusters. Sequence similarity calculations based on a neighbour-joining analysis revealed that the closest relatives of strain SST-8 were the type strains of (96.6 %), (96.5 %), (96.3 %), (96.0 %) and (95.9 %). Based on a broad set of phenotypic and genetic data, it was evident that the strain represents a novel species of the genus . The name sp. nov. is proposed, with SST-8 (=NRRL B-41420=KCCM 42316) as the type strain.

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2006-08-01
2019-10-22
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