Arenimonas donghaensis gen. nov., sp. nov., isolated from seashore sand

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Abstract
A Gram-negative, aerobic bacterium, designated strain HO3-R19T, which was isolated from seashore sand in Pohang city, Korea, was characterized on the basis of a polyphasic taxonomic approach. Phylogenetic analyses of 16S rRNA gene sequences revealed that strain HO3-R19Trepresents a new lineage within theGammaproteobacteria; sequence similarities between strain HO3-R19Tand members of other related genera were less than 93.5 %. Strain HO3-R19Twas also distinguished from related genera based on differences in several phenotypic characteristics. Cells were straight or slightly curved rods and formed white colonies on R2A agar. The major isoprenoid quinone was ubiquinone 8 (Q-8), and predominant cellular fatty acids were iso-C16 : 0, iso-C15 : 0and iso-C17 : 1ω9c. The DNA G+C content of strain HO3-R19Twas 65.0 mol%. Based on physiological, biochemical and chemotaxonomic traits together with results of comparative 16S rRNA sequence analysis, strain HO3-R19Tis considered to represent a novel species in a new genus, for which the nameArenimonas donghaensisgen. nov., sp. nov. is proposed. The type strain ofArenimonas donghaensisis HO3-R19T(=KACC 11381T=DSM 18148T).

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