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Abstract

A Gram-negative, motile, psychrotolerant, oxidase- and catalase-positive bacterium, designated BSs20135, was isolated from Arctic marine sediment. Cells were straight or slightly curved rods and formed circular, convex and yellowish-brown colonies. Buds and prosthecae could be produced. The strain grew at 4–28 °C (optimum 25 °C) and with 1–5 % (w/v) NaCl (optimum 2 %) and hydrolysed aesculin and DNA, but did not reduce nitrate to nitrite. Phylogenetic analysis of 16S rRNA gene sequences indicated that strain BSs20135 belonged to the genus and shared 93.6–97.7 % sequence similarity with the type strains of known species of the genus . The major cellular fatty acids of strain BSs20135 were summed feature 3 (comprising Cω7 and/or iso-C 2-OH), C, Cω8 and Cω7. The genomic DNA G+C content was 40.3 mol%. Based on 16S rRNA gene sequence analysis, DNA–DNA hybridization data and phenotypic and chemotaxonomic characterization, strain BSs20135 represents a novel species, for which the name sp. nov. is proposed. The type strain is BSs20135 ( = CCTCC AB 209161  = KACC 14537).

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2011-10-01
2019-10-24
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vol. , part 10, pp. 2338–2341

Fatty acid compositions of strain BSs20135 and recognized species

Transmission electron micrographs of negatively stained cells of strain BSs20135

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