1887

Abstract

An actinomycete, designated MS426, the culture broth of which showed potent antimicrobial activity, was isolated from a deep-sea sediment sample of the South China Sea. An almost-complete sequence of the 16S rRNA gene of strain MS426 was determined and aligned with those of representatives of the family available in public databases. Phylogenetic trees were inferred by using three algorithms. Strain MS426 formed a branch adjacent to YIM 013 in a distinct cluster occupied only by strains of the genus . Strain MS426 was distinguishable from the type strains of the two described species by using a combination of chemical and morphological markers and by DNA–DNA relatedness. On the basis of these genotypic and phenotypic differences, the novel antimicrobial strain with pharmaceutical potential represents a novel species, for which the name sp. nov. is proposed. The type strain is MS426 (=CGMCC 4.3550 =JCM 15670).

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2010-08-01
2019-12-06
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vol. , part 8, pp. 1807 - 1812

Scanning electron micrograph of strain MS426 grown on medium 6B at 28 °C for 3 weeks. Bar, 5 µm.



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