Humicoccus flavidus gen. nov., sp. nov., isolated from soil

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Humicoccus flavidus gen. nov., sp. nov., isolated from soil
Jung-Hoon Yoon; So Jung Kang; Seo-Youn Jung; Tae Kwang Oh
Bibliographic Citation
International Journal of Systematic and Evolutionary Microbiology, vol. 57, no. 1, pp. 56-59
Publication Year
A Gram-positive, non-motile, spherical, non-spore-forming bacteria] strain, DS-52T, was isolated from soil from Dokdo, Korea, and its taxonomic position was investigated by using a polyphasic approach. It grew optimally at 25 °C and pH 6.0-7.0. Strain DS-52T had meso-diaminopimelic acid as the diagnostic diamino acid in the cell-wall peptidoglycan, and galactose, mannose, xylose and rhamnose as whole-cell sugars. It contained MK-8(H4) and MK-9(H4) as the predominant menaquinones and anteiso-C15:0, iso-C15:0 and C17:0 as major fatty acids. Major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine and phosphatidyldimethylethanolamine. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain DS-52T is most closely related to the genus Nakamurella of the suborder Frankineae. Strain DS-52T exhibited 16S rRNA gene sequence similarity values of 96.5 % to Nakamurella multipartita JCM 9543T and 92.0-93.9% to other members of the suborder Frankineae. The diagnostic diamino acid type and polar lipid profile of strain DS-52T were the same as those of the genus Nakamurella. However, strain DS-52T could be clearly distinguished from the genus Nakamurella by differences in predominant menaquinones, major fatty acids and cell-wall sugars. Accordingly, based on combined phenotypic, chernotaxonomic and phylogenetic data, strain DS-52T (=KCTC 19127T=CIP 108919T) is proposed as the type strain of a novel species in a new genus, Humicoccus flavidus gen. nov., sp. nov.
Microbiology Soc
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Division of Biomedical Research > Metabolic Regulation Research Center > 1. Journal Articles
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