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

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Pseudoalteromonas aestuariivivens sp. nov., isolated from a tidal flat
S Park; Y T Jung; Doo-Sang Park; J H Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 66, no. 5, pp. 2078-2083
Publication Year
A Gram-stain-negative, aerobic, motile, rod-shaped or ovoid bacterial strain, designated DB-2T, was isolated from a tidal flat of the Yellow Sea in South Korea, and subjected to a taxonomic study using a polyphasic approach. Strain DB-2T 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-2T belonged to the genus Pseudoalteromonas. Strain DB-2T exhibited 16S rRNA gene sequence similarities of 97.17?97.36 % to the type strains of Pseudoalteromonas mariniglutinosa, Pseudoalteromonas spongiae and Pseudoalteromonas tetraodonis and of 93.79?96.99 % to the type strains of the other species of the genus Pseudoalteromonas. Strain DB-2T contained Q-8 as the predominant ubiquinone and C16: 0, C18: 1ω7c, summed feature 3 (C16: 1ω7c and/or C16: 1ω6c) and C12: 0 3-OH as the major fatty acids. The major polar lipids detected in strain DB-2T were phosphatidylglycerol, phosphatidylethanolamine, two unidentified glycolipids, an unidentified phospholipid and an unidentified aminolipid. The DNA G+C content of strain DB-2T was 54.9±0.2 mol% and mean DNA?DNA relatedness values with the type strains of P. mariniglutinosa, P. spongiae and P. tetraodonis were 10?17 %. Differential phenotypic properties, together with phylogenetic and genetic distinctiveness, revealed that strain DB-2T is separated from recognized species of the genus Pseudoalteromonas. On the basis of these data, strain DB-2T is considered to represent a novel species of the genus Pseudoalteromonas, for which the name Pseudoalteromonas aestuariivivens sp. nov. is proposed. The type strain is DB-2T (=KCTC 42779T=CECT 8945T).
Microbiology Soc
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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