1887

Abstract

The taxonomic position of a lemon-yellow-pigmented actinobacterium, strain JF-6, isolated from , the moon jellyfish, collected from the Bay of Bengal coast, Kanyakumari, India, was determined using a polyphasic approach. The strain had phenotypic and chemotaxonomic properties that were consistent with its classification in the genus . Alignment of the 16S rRNA gene sequence of strain JF-6 with sequences from CC-VM-Y, G72, IFO 15077, DSM 20643, DS-66, DMMZ 1710 and IFO 16060 revealed similarities of 98.95, 98.76, 98.43, 98.41, 98.41, 98.26 and 98.22 %, respectively. However, the levels of DNA–DNA relatedness with its closest phylogenetic neighbours confirmed that it represents a novel species within the genus. The major polar lipids were phosphatidylglycerol, diphosphatidylglycerol and an unknown glycolipid. The major menaquinones detected for strain JF-6 were MK-13 and MK-12. The diamino acid in the cell-wall peptidoglycan was ornithine and the peptidoglycan was type B2 (Glu/Hyg–Gly–-Orn). The DNA G+C content was 69.4 mol%. Based on these differences, strain JF-6 (=MTCC 11843=JCM 30060=KCTC 39828) should be classified as the type strain of a novel species of , for which the name sp. nov. is proposed.

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2016-11-01
2020-08-11
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