1887

Abstract

Strain DD-R11, isolated from a sea-sand sample from Homi Cape, Pohang city, South Korea, was a Gram-negative, aerobic, motile, non-spore-forming, rod- to ovoid-shaped bacterium. Colonies grown on marine agar were circular, convex and colourless to creamy white. Growth occurred between 10 and 40 °C (optimum 25–30 °C) and at pH 5.0–9.0 (optimum pH 6.0–8.0). The strain could grow in up to 15 % NaCl (optimum 3–5 % NaCl). According to 16S rRNA gene sequence analysis, the strain was a member of the genus in the . Sequence similarities to type strains of the genus were between 94.6 and 98.3 %, showing the highest sequence similarity to ATCC 21588. The DNA–DNA relatedness value of strain DD-R11 and ATCC 21588 was 27 %. Strain DD-R11 was characterized by having ubiquinone 10 as the major respiratory quinone and C 7 as the predominant fatty acid. The DNA G+C content was 63.0 mol%. On the basis of its phenotypic and genotypic characteristics, it is suggested that DD-R11 represents a novel species of the genus , for which the name sp. nov. is proposed, with DD-R11 (=KACC 11518=DSM 17862) as the type strain.

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2006-10-01
2021-10-20
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