1887

Abstract

A novel Gram-negative, non-motile, rod-shaped bacterium, designated CW-KD 4, was isolated from a polluted soil sample collected from Jiangsu Province, China, by using a classic enrichment method. Based on 16S rRNA gene sequence analysis, the novel strain represented a deep-rooting lineage within the class that was clustered with the genera and and some other unidentified bacteria. Polyphasic taxonomic studies revealed that strain CW-KD 4 showed rather distant relationships to its phylogenetically closest neighbours, including the two recognized genera and . Strain CW-KD 4 showed only 89.9 % and 89.7 % 16S rRNA gene sequence similarities to the type species of the genera and , respectively. The predominant isoprenoid quinone of strain CW-KD 4 was Q-8 with minor components including Q-9, MK-7 and MK-6. The major fatty acids were C, C 7 and summed feature 3. The G+C content of the DNA was 65.1 mol%. On the basis of its distinctive phenotypic and genotypic characteristics, strain CW-KD 4 represents a new genus and a novel species in the class , for which the name gen. nov., sp. nov. is proposed. The type strain is CW-KD 4 (=DSM 18980=KCTC 12881=CCTCC AB 206145). In addition, a new family, fam. nov., is proposed to house the genus gen. nov.

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2008-01-01
2019-10-24
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