Psychroflexus aestuariivivens sp. nov., isolated from a tidal flat

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Title
Psychroflexus aestuariivivens sp. nov., isolated from a tidal flat
Author(s)
S Park; Y T Jung; J M Park; Song-Gun Kim; J H Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 66, no. 6, pp. 2146-2151
Publication Year
2016
Abstract
A Gram-stain-negative, aerobic, non-flagellated, non-gliding and ovoid or rod-shaped bacterium, designated DB-3T, was isolated from a tidal flat on the Yellow Sea in South Korea, and subjected to a taxonomic study using a polyphasic approach. Strain DB-3T grew optimally at 30°C, at pH 7.0-8.0 and in the presence of 2.0-3.0 % (w/v) NaCl. Phylogenetic trees based on 16S rRNA gene sequences showed that strain DB-3T fell within the clade comprising the type strains of species of the genus Psychroflexus. Strain DB-3T exhibited 16S rRNA gene sequence similarities of 93.2-96.9 % to the type strains of species of the genus Psychroflexus. Strain DB3T contained MK-6 as the predominant menaquinone and iso-C15:0, anteiso-C15:0 and iso-C17:0 3-OH as the major fatty acids. The major or significant amounts of polar lipids detected in strain DB-3T were phosphatidylethanolamine, an unidentified aminolipid and seven unidentified lipids. The DNA G+C content was 34.7 mol%. Differential phenotypic properties, together with phylogenetic distinctiveness, revealed that strain DB-3T is separated from recognized species of the genus Psychroflexus. On the basis of the data presented, strain DB-3T is considered to represent a novel species of the genus Psychroflexus, for which the name Psychroflexus aestuariivivens sp. nov. is proposed. The type strain is DB-3T (=KCTC 52037T=NBRC 111757T).
Keyword
Novel speciesPolyphasic taxonomyPsychroflexus aestuariivivens sp. nov.Tidal flat
ISSN
1466-5026
Publisher
Microbiology Soc
DOI
http://dx.doi.org/10.1099/ijsem.0.001000
Type
Article
Appears in Collections:
Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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