1887

Abstract

A Gram-stain-negative, non-motile, non-spore-forming, rod-shaped, aerobic bacterial strain, designated 16F3P, was isolated from the Han River, South Korea, and characterized taxonomically using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences revealed 16F3P to be within the genus , and most closely related to Txc1 (98.62 %) and VUG-A112 (98.46 %). The phylogenetic distance from other species of the genus with validly published names was greater than 4 % (i.e. sequence similarity was less than 96.0 %). Chemotaxonomic data also supported the classification of strain 16F3P within the genus . C (19.8 %), summed feature 3 (Cω7/Cω6; 15.4 %) and iso-C (13.0 %) were the major fatty acids, MK-7 was the predominant respiratory quinone, and phosphatidylethanolamine was the major polar lipid. The G+C content of the genomic DNA of strain 16F3P was 61.9 mol%. DNA–DNA hybridization experiments showed that the values for DNA–DNA relatedness between strain 16F3P and the phylogenetically closest neighbours were below 19 %. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain 16F3P represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 16F3P (=KCTC 52194=JCM 31653).

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2017-05-01
2024-03-29
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