Polaribacter marinivivus sp. nov., a member of the family Flavobacteriaceae isolated from seawater

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Title
Polaribacter marinivivus sp. nov., a member of the family Flavobacteriaceae isolated from seawater
Author(s)
S Park; J M Park; Y T Jung; Keun Chul Lee; Jung-Sook Lee; J H Yoon
Bibliographic Citation
Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology, vol. 106, no. 6, pp. 1139-1146
Publication Year
2014
Abstract
A Gram-stain negative, non-flagellated, non-gliding, aerobic and rod-shaped bacterium, designated GYSW-15T, was isolated from a seawater of Geoje island on the South Sea, South Korea, and subjected to a polyphasic taxonomic approach. Strain GYSW-15T was found to grow optimally at 30 °C, at pH 7.0-8.0 and in the presence of approximately 2.0 % (w/v) NaCl. Neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain GYSW-15T belongs to the genus Polaribacter, clustering coherently with the type strain of Polaribacter porphyrae showing sequence similarity value of 97.0 %. Strain GYSW-15T exhibited 16S rRNA gene sequence similarity values of 94.3-96.4 % to the type strains of the other Polaribacter sp.cies. Strain GYSW-15T was found to contain MK-6 as the predominant menaquinone and iso-C15:0, iso-C15:1 G, iso-C16:0 3-OH and summed feature 3 (C16:1ω7c and/or C16:1ω6c) as the major fatty acids. The polar lipid profile of strain GYSW-15T containing phosphatidylethanolamine and an unidentified lipid as major components was similar to that of the type strain of P. porphyrae. The DNA G + C content of strain GYSW-15T was determined to be 31.2 mol% and its mean DNA-DNA relatedness with P. porphyrae LMG 26671T was 17 %. Differential phenotypic properties, together with its phylogenetic and genetic distinctiveness, revealed that strain GYSW-15T is separated from recognized Polaribacter sp.cies. On the basis of the data presented, strain GYSW-15T is considered to represent a nov.l sp.cies of the genus Polaribacter, for which the name Polaribacter marinivivus sp. nov. is proposed. The type strain is GYSW-15T ( = KCTC 42156T = CECT 8655T)
Keyword
Novel speciesPolaribacter marinivivusPolyphasic taxonomySeawater
ISSN
0003-6072
Publisher
Springer
DOI
http://dx.doi.org/10.1007/s10482-014-0283-4
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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