1887

Abstract

A Gram-staining-negative, aerobic, non-flagellated, non-gliding and ring-like or horseshoe-shaped bacterial strain, designated HD-17, was isolated from a tidal flat sediment in the Korean peninsula. Strain HD-17 grew optimally at pH 7.0–8.0, at 25 °C and in the presence of 2.0 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain HD-17 fell within the clade comprising species of the genus . Strain HD-17 exhibited 16S rRNA gene sequence similarity values of 93.8–98.8 % to the type strains of species of the genus . Strain HD-17 contained MK-7 as the predominant menaquinone and iso-C, summed feature 3 (Cω6 and/or Cω7), anteiso-C and iso-C G as the major fatty acids. The major polar lipids of strain HD-17 were phosphatidylcholine, phosphatidylethanolamine and two unidentified lipids. The DNA G+C content of strain HD-17 was 43.8 mol% and its DNA–DNA relatedness values with KCTC 12363, KCTC 23011 and KCTC 2917 were 10.4, 7.6 and 5.3 %, respectively. The phylogenetic and genetic distinctiveness and several differentiating phenotypic properties revealed that strain HD-17 was separate from other species of the genus . On the basis of the data presented, strain HD-17 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is HD-17 ( = KCTC 32178 = CCUG 63247). An emended description of the genus is also provided.

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2013-09-01
2019-10-18
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