1887

Abstract

A Gram-stain-negative, rod-shaped and non-motile strain, designated PAMC 27266, was isolated from deep-sea sediment of the Arctic Ocean. Analysis of the 16S rRNA gene sequence of strain PAMC 27266 showed closest affiliation with the genus . Phylogenetic analyses revealed that strain PAMC 27266 formed a robust clade with CNI-3, with which it shared 98.9 % 16S rRNA gene sequence similarity. Genomic relatedness analyses based on the average nucleotide identity and genome-to-genome distance showed that strain PAMC 27266 is clearly distinguished from . Cells of strain PAMC 27266 grew optimally at 15 °C and pH 6.5–7.5 in the presence of 3.5 % (w/v) sea salts. The major polar lipids were phosphatidylethanolamine, two unidentified aminophospholipids and two unidentified lipids. The only respiratory quinone was menaquinone-6. The major cellular fatty acids (>10 %) were Cω6 and/or Cω7 and C. The genomic DNA G+C content was 37.9 mol%. Based on the phylogenetic, genomic, chemotaxonomic and phenotypic data presented, we propose strain PAMC 27266 ( = KCCM 43038 = JCM 19894) as the type strain of a novel species, with the name sp. nov.

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2015-05-01
2019-10-14
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