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Abstract

A Gram-reaction-negative, chemoheterotrophic, non-motile, facultatively anaerobic, curved rod-shaped bacterial strain, IMCC4453, was isolated from tidal flat sediment and subjected to a taxonomic study using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain IMCC4453 belonged to the genus , forming a robust clade with members of the genus, and was most closely related to the type strains of (97.6 % similarity) and (95.9 %). The DNA–DNA relatedness value between strain IMCC4453 and YIM-Y25 was 23–30 %. Differences in several physiological and biochemical characteristics between strain IMCC4453 and the two recognized species of the genus , together with phylogenetic and genomic distinctiveness, differentiated the novel strain from members of the genus . On the basis of the data from the present study, it is concluded that strain IMCC4453 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is IMCC4453 (=KCTC 22684=KCCM 42930=NBRC 105825). An emended description of the genus is provided.

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2011-03-01
2021-10-24
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