1887

Abstract

A Gram-staining-positive, endospore-forming, motile, rod-shaped bacterium, strain AD-1, was isolated from a tidal flat sediment of the coast of Hwangdo on the Yellow Sea, Korea. Strain AD-1 grew optimally at pH 7.0–7.5 and 40 °C and in the presence of 5–10 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain AD-1 was most closely related to G-19.1 (98.0 % sequence similarity) and HS286 (97.8 %). The cell-wall peptidoglycan was based on -diaminopimelic acid and MK-7 was the predominant menaquinone. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol and two unidentified lipids. The major fatty acids (>10 % of total fatty acids) were iso-C, iso-C and anteiso-C. The DNA G+C content of strain AD-1 was 45.2 mol%. It appears reasonable to classify strain AD-1 as a member of the genus . There were differences in fatty acid profiles and phenotypic and genetic characteristics between strain AD-1 and the type strains of the two species. On the basis of the data presented, strain AD-1 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is AD-1 (=KCTC 13254 =CCUG 56607).

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2010-09-01
2019-12-14
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