1887

Abstract

A Gram-stain-negative, non-motile, aerobic, ovoid or rod-shaped bacterium, designated AH-MY3, was isolated from a tidal flat on Aphae island of the south-western sea, South Korea, and subjected to a polyphasic taxonomic study. Strain AH-MY3 grew optimally at 35 °C, at pH 7.0–8.0 and in the presence of 2.0–3.0  % (w/v) NaCl. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain AH-MY3 joined the cluster comprising the type strains of , and showing sequence similarities of 93.9, 93.7 and 92.6  %, respectively. Strain AH-MY3 exhibited 16S rRNA gene sequence similarity values of 94.0–94.7  % to the type strains of ‘’, , and . Strain AH-MY3 contained MK-6 as the predominant menaquinone. The fatty acid and polar lipid profiles of strain AH-MY3 could be distinguished from those of the type strains of phylogenetically related taxa. The DNA G+C content of strain AH-MY3 was 37 mol%. The phylogenetic data and differential chemotaxonomic and other phenotypic properties revealed that strain AH-MY3 represents a novel genus and species within the family , for which the name gen. nov., sp. nov. is proposed. The type strain of is AH-MY3 ( = KCTC 42350 = NBRC 110723).

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2015-06-01
2020-09-29
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