1887

Abstract

An aerobic, Gram-negative, ovoid to rod-shaped bacterial isolate, strain 81-2, was isolated from deep-sea sediment of the Western Pacific Ocean. Strain 81-2 was motile, formed faint pink colonies, and was catalase-positive, weakly positive for oxidase and required NaCl for growth. It did not synthesize bacteriochlorophyll and its DNA G+C content was 62.3 mol%. The 16S rRNA gene sequence of strain 81-2 indicated that it was a member of the clade of the class , with moderate bootstrap support for inclusion in the genus . Its closest phylogenetic neighbour was the type strain of , which shared 95.8 % 16S rRNA gene sequence similarity; strain 81-2 was <95.0 % similar to strains of other related species and genera. Phenotypic, chemotaxonomic and phylogenetic data support assignment of this strain to the genus as a representative of a novel species. The name sp. nov. is proposed, with strain 81-2 (=MCCC 1A00293=CGMCC 1.7083=LMG 24575) as the type strain.

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2009-05-01
2019-10-20
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vol. , part 5, pp. 1116-1121

Plasmid profile observed in the strain 81-2 . A λ DNA/ dIII marker was used as the size reference (lane M), and plasmid DNA is indicated by the arrow (lane 1).



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