1887

Abstract

A Gram-positive, strictly aerobic, non-sporulating, motile, rod-shaped bacterium, designated YC2-25, was isolated from pieces of stalactites collected from a lava cave in Jeju, Republic of Korea. Colonies were circular, smooth, convex and cream to light yellow in colour. A neighbour-joining tree based on 16S rRNA gene sequences indicated that the organism belonged to the genus with the closest relatives being (99.0 % sequence similarity) and (98.8 %). -Diaminopimelic acid was the diagnostic diamino acid in the cell-wall peptidoglycan. The predominant menaquinone was MK-7(H). The polar lipids were diphosphatidylglycerol, phosphatidylinositol, two phospholipids and four lipids. The predominant fatty acid was Cω9. The DNA G+C content was 70.3 %. On the basis of distant phenotypic characteristics and DNA–DNA hybridization data, strain YC2-25 (=KCTC 39840=DSM 103719) represents a novel species of the genus , for which the name sp. nov. is proposed.

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2017-09-01
2024-04-25
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