Abstract

The taxonomic status of two novel heterotrophic, Gram-negative, gliding and yellow pigmented bacterial strains was established in this study. Phylogenetic analysis based on 16S rRNA gene sequencing revealed that the strains formed a distinct lineage within the genus Maribacter, a member of the family Flavobacteriaceae, with sequence similarities of 96.3-98.5 % to recognized species of the genus Maribacter. The maximum growth temperature of the strains was 35 degrees C and they required NaCl or seawater for growth. They hydrolysed aesculin and gelatin, reduced nitrates to nitrites and produced acid from carbohydrates. The DNA G+C contents of strains KMM 6025 and KMM 6046(T) were 36-37 mol%. On the basis of phenotypic, genotypic and phylogenetic characteristics, it is suggested that the new isolates represent a novel species of the genus Maribacter, for which the name Maribacter stanieri sp. nov. is proposed. The type strain is KMM 6046(T) (=KCTC 22023(T)=LMG 22581(T)).

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