Pontibacter litorisediminis sp. nov., isolated from a tidal flat

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Pontibacter litorisediminis sp. nov., isolated from a tidal flat
S Park; J M Park; Kang Hyun Lee; J H Yoon
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 66, no. 10, pp. 4172-4178
Publication Year
A Gram-stain-negative, aerobic, non-flagellated, motile by gliding and ovoid or rod-shaped bacterial strain, designated YKTF-7T, was isolated from a tidal flat sediment on the Yellow Sea, South Korea. Strain YKTF-7T grew optimally at pH 7.0?8.0, at 30?37 °C and in the presence of 0.5?2.0% (w/v) NaCl. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain YKTF-7T fell within the clade comprising the type strains of species of the genus Pontibacter, clustering with the type strains of Pontibacter odishensis and Pontibacter korlensis with which it exhibited 98.0?98.7% sequence similarity. Strain YKTF-7T exhibited 16S rRNA gene sequence similarities of 94.7?96.8% to the type strains of the other species of the genus Pontibacter and of less than 91.7% to those of other recognized species. Strain YKTF-7T contained MK-7 as the predominant menaquinone and summed feature 4 (iso-C17: 1 I and/or anteiso-C17: 1 B) and iso-C15: 0 as the major fatty acids. The major polar lipids were phosphatidylethanolamine and two unidentified lipids. The DNA G+C content of strain YKTF-7T was 54.0 mol%, and its mean DNA?DNA relatedness values with the type strains of P. odishensis and P. korlensis were 25 and 14 %, respectively. Differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, revealed that strain YKTF-7T is separated from recognized species of the genus Pontibacter. On the basis of the data presented, strain YKTF-7T is considered to represent a novel species of the genus Pontibacter, for which the name Pontibacter litorisediminis sp. nov. is proposed. The type strain is YKTF-7T(=KCTC 52252T=NBRC 112298T).
Novel speciesPolyphasic taxonomyPontibacter litorisediminis sp. novTidal flat sediment
Microbiology Soc
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Jeonbuk Branch Institute > Biological Resource Center > 1. Journal Articles
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