1887

Abstract

A novel actinobacterium, designated strain UDF-1, was isolated from forest soil in Chungnam, South Korea, and its taxonomic position was investigated using a polyphasic approach. Strain UDF-1 formed a branched brownish-orange substrate mycelium with spherical or oval spores. No aerial mycelium was formed. Comparative 16S rRNA gene sequence analysis indicated that strain UDF-1 belongs to the genus , showing the highest sequence similarity to NEAU-CX1 (99.2 % 16S rRNA gene sequence similarity), ‘’ NEAU-MES19 (99.0 %), DSM 44398 (98.8 %) and IMSNU 22003 (98.8 %). The predominant menaquinones of strain UDF-1 were MK-10 (H) and MK-10 (H). The cell wall contained -diaminopimelic acid and the whole-cell sugars were arabinose and xylose. The major polar lipids were phosphatidylinositol, diphosphatidylglycerol and phosphatidylethanolamine. The major cellular fatty acids were iso-C, anteiso-C and iso-C. The genomic DNA G+C content was 73.1 mol%. DNA–DNA relatedness between strain UDF-1 and closely related type strains in the genus was below 30 %. On the basis of the polyphasic analysis conducted in this study, strain UDF-1 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is UDF-1 (=KACC 18696=NBRC 111826).

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2017-06-01
2024-03-28
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