Mariniflexile aquimaris sp. nov., isolated from seawater, and emended description of the genus Mariniflexile Nedashkovskaya et al. 2006

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Title
Mariniflexile aquimaris sp. nov., isolated from seawater, and emended description of the genus Mariniflexile Nedashkovskaya et al. 2006
Author(s)
Yong Taek Jung; Ji-Hoon Kim; Tae Kwang Oh; Jung-Hoon Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 62, no. 3, pp. 539-544
Publication Year
2012
Abstract
A Gram-staining-negative, non-flagellated, non-gliding and rod-shaped bacterial strain, designated HWR-17 T, was isolated from seawater of the Yellow Sea in Korea. Strain HWR-17 T grew optimally at pH 7.0-8.0, at 30 °C and in the presence of 2% (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HWR-17 T clustered with the two Mariniflexile species in the family Flavobacteriaceae, exhibiting 16S rRNA gene sequence similarity of 97.1-97.2% to their type strains and less than 95.7% sequence similarity to other members of the family Flavobacteriaceae. Strain HWR-17 T contained MK-6 as the predominant menaquinone and iso-C 15: 0 as the major fatty acid. The polar lipid profile of strain HWR-17 T contained phosphatidylethanolamine, an unidentified aminolipid and four unidentified lipids. The DNA G+C content of strain HWR-17 T was 35.7 mol% and it exhibited 11 and 10% DNA-DNA relatedness, respectively, with Mariniflexile gromovii KCTC 12570 T and Mariniflexile fucanivorans DSM 18792 T. The phylogenetic and genetic distinctiveness and differential phenotypic properties revealed that strain HWR-17 T is distinguishable from the two recognized Mariniflexile species. On the basis of the data presented, strain HWR-17 T is considered to represent a novel species of the genus Mariniflexile, for which the name Mariniflexile aquimaris sp. nov. is proposed. The type strain is HWR-17 T (=KCTC 23346T =CCUG 60529T). An emended description of the genus Mariniflexile is also proposed.
ISSN
0020-7713
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijs.0.031492-0
Type
Article
Appears in Collections:
Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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