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Abstract

A Gram-staining-negative, non-flagellated, non-gliding and pleomorphic bacterial strain, designated DPG-25, was isolated from seawater in a seaweed farm in the South Sea in Korea and its taxonomic position was investigated by using a polyphasic approach. Strain DPG-25 grew optimally at 25 °C, at pH 7.0–7.5 and in the presence of 2 % (w/v) NaCl. Flexirubin-type pigments were not produced. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain DPG-25 formed a cluster with the type strains of , and . Strain DPG-25 exhibited 16S rRNA gene sequence similarity values of 95.3, 93.1 and 93.6 % to the type strains of , and L. vermicola, respectively. Strain DPG-25 contained MK-6 as the predominant menaquinone and iso-C and iso-C 3-OH as the major fatty acids. The major polar lipids detected in strain DPG-25 were phosphatidylethanolamine and one unidentified lipid. The DNA G+C content was 39.9 mol%. Differential phenotypic properties and the phylogenetic distinctiveness of strain DPG-25 demonstrated that this strain is distinguishable from , and L. vermicola. On the basis of the data presented here, strain DPG-25 represents a novel species in a novel genus of the family Flavobacteriaceae, for which the name gen. nov., sp. nov. is proposed. The type strain of is DPG-25 ( = KCTC 23702  = CCUG 61485).

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2012-09-01
2019-10-14
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