1887

Abstract

The taxonomic position of an actinomycete isolated from deep-sea sediment from the Indian Ocean was determined by using a polyphasic approach. The presence of iso-C, anteiso-C, iso-C, iso-C and anteiso-C as the major cellular fatty acids, -diaminopimelic acid as the characteristic diamino acid, and MK-9(H, H and H) as the major menaquinones supported the affiliation of strain IH32-1 to the genus . Comparison of 16S rRNA gene sequences showed that strain IH32-1 exhibited highest similarities to the type strains of (97.6 %) and (97.6 %). However, DNA–DNA relatedness values between strain IH32-1 and the type strains of . and . were determined as 55.2±4.7 and 38.3±2.5 %, respectively. Based on its chemotaxonomic, phenotypic and genotypic characteristics, strain IH32-1 is considered to represent a novel species in the genus , for which the name sp. nov. is proposed. The type strain is IH32-1 ( = DSM 42001 = CGMCC 4.5727).

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2011-11-01
2020-06-01
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vol. , part 11, pp. 2712–2716

Scanning electron micrographs of the spore chains of strain IH32-1

Phospholipids of strain IH32-1 after separation by two-dimensional TLC

Cultural characteristics of strain IH32-1

Fatty acid composition of strain IH32-1

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