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  • Title: Sediminicola arcticus sp. nov., a psychrophilic bacterium isolated from deep-sea sediment, and emended description of the genus Sediminicola.
    Author: Hwang CY, Lee I, Cho Y, Lee YM, Jung YJ, Baek K, Nam SI, Lee HK.
    Journal: Int J Syst Evol Microbiol; 2015 May; 65(Pt 5):1567-1571. PubMed ID: 25713047.
    Abstract:
    A Gram-stain-negative, rod-shaped and non-motile strain, designated PAMC 27266(T), was isolated from deep-sea sediment of the Arctic Ocean. Analysis of the 16S rRNA gene sequence of strain PAMC 27266(T) showed closest affiliation with the genus Sediminicola . Phylogenetic analyses revealed that strain PAMC 27266(T) formed a robust clade with Sediminicola luteus CNI-3(T), 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(T) is clearly distinguished from S. luteus . Cells of strain PAMC 27266(T) 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 C16 : 1ω6c and/or C16 : 1ω7c and C15 : 0. 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(T) ( =KCCM 43038(T) =JCM 19894(T)) as the type strain of a novel species, with the name Sediminicola arcticus sp. nov.
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