1887

Abstract

strains JS53-2 and JS53-5 were isolated from sea water in the South Sea of Korea and subjected to phenotypic, chemotaxonomic and genetic characterization. The cells were found to be Gram-positive. These strains contained MK-11 and MK-12 as the main respiratory quinones and anteiso-C, anteiso-C and iso-C as the major cellular fatty acids. The DNA G+C content was 68 mol%. The cell-wall sugars of the isolates were galactose and xylose, and the diamino acid in the cell-wall hydrolysates was lysine. Phylogenetic analysis based on 16S rRNA gene sequences revealed that the isolates represented an evolutionary lineage distinct from those of other species. DNA–DNA reassociation values between the isolates and reference strains KCTC 19034, KCTC 9230, KCTC 19091 and KCTC 19095 were below 23 %. On the basis of evaluation of the morphological, physiological and chemotaxonomic characteristics, 16S rRNA gene sequence comparisons and DNA–DNA hybridizations, a novel species, sp. nov., is proposed for these isolates. The type strain is JS53-2 (=KCTC 19074=CIP 108696=CCUG 50754).

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2006-02-01
2019-09-22
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Photomicrographs of strain JS53-2 grown at 30 °C in tryptic soy agar for 24 h (left) or 96 h (right). Bars, 10 µm.

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Photomicrographs of strain JS53-2 grown at 30 °C in tryptic soy agar for 24 h (left) or 96 h (right). Bars, 10 µm.

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Extended phylogenetic tree showing the position of isolates JS53-2 and JS53-5 with other species of the genus and related taxa based on 16S rRNA gene sequences. [PDF](17 KB)

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Whole-cell fatty acid compositions of isolates JS53-2 and JS53-5 and related species. [PDF](23 KB)

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