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State Key Laboratories for AgroBiotechnology, College of Biological Sciences, China Agricultural Uni
1 E-mail: hlyuan{at}cau.edu.cn
A Gram-negative, yellow-pigmented bacterium, designated strain R2A-16T, was isolated from sediment of Rupa lake in Nepal and subjected to a polyphasic taxonomic study. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain R2A-16T is affiliated to the genus Cloacibacterium of the family Flavobacteriaceae. The levels of 16S rRNA gene sequence similarity between strain R2A-16T and the type strains of Cloacibacterium normanense CCUG 46293T was 98.07%. The strain contained iso-C15:0 (35.6%) as the major fatty acids and menaquinone MK-6 as the predominant respiratory quinone. The G+C content of the genomic DNA was 33.3 mol%. On the basis of its phenotypic properties and phylogenetic distinctiveness, strain R2A-16T represents a novel species of the genus Cloacibacterium, for which the name Cloacibacterium rupense sp. nov. is proposed. The type strain is R2A-16T (=CGMCC 1.7656T= NBRC 104931T).
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