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Sediminicola arcticus sp. nov., a psychrophilic bacterium isolated from deep-sea sediment, and emended description of the genus Sediminicola

Authors :
Inae Lee
Kiwoon Baek
Hong Kum Lee
Yung Mi Lee
You-Jung Jung
Chung Yeon Hwang
Yirang Cho
Seung-Il Nam
Source :
International Journal of Systematic and Evolutionary Microbiology. 65:1567-1571
Publication Year :
2015
Publisher :
Microbiology Society, 2015.

Abstract

A Gram-stain-negative, rod-shaped and non-motile strain, designated PAMC 27266T, was isolated from deep-sea sediment of the Arctic Ocean. Analysis of the 16S rRNA gene sequence of strain PAMC 27266T showed closest affiliation with the genus Sediminicola . Phylogenetic analyses revealed that strain PAMC 27266T formed a robust clade with Sediminicola luteus CNI-3T, 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 27266T is clearly distinguished from S. luteus . Cells of strain PAMC 27266T 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 27266T ( = KCCM 43038T = JCM 19894T) as the type strain of a novel species, with the name Sediminicola arcticus sp. nov.

Details

ISSN :
14665034 and 14665026
Volume :
65
Database :
OpenAIRE
Journal :
International Journal of Systematic and Evolutionary Microbiology
Accession number :
edsair.doi.dedup.....6edad8ed68eb3701a4aaf079ae0d29cc
Full Text :
https://doi.org/10.1099/ijs.0.000138