1887

Abstract

A non-motile, coccobacilli-shaped, pale-pink-pigmented bacterium, designated strain CW67, was isolated from a water-cooling system in Gwangyang, Republic of Korea. Cells were found to be Gram-negative, catalase-positive and oxidase-positive, the major fatty acids were C 7 (43.6 %) and C (15.8 %), the predominant respiratory lipoquinone was Q-10 and the DNA G+C content was 69.5 mol%. A phylogenetic tree based on 16S rRNA gene sequence comparisons showed that strain CW67 forms an evolutionary lineage within the radiation of the genus and that its closest relative is subsp. MDA5605 (94.7 % sequence similarity). Evidence from this polyphasic study showed that strain CW67 could not be assigned to any recognized species. It therefore represents a novel species, for which the name sp. nov. is proposed, with CW67 (=KCTC 22211 =JCM 15073) as the type strain.

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2009-07-01
2019-12-09
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Scanning electron micrograph of cells of strain CW67 grown in TSB for 2 days at 30 °C. Bar, 5 µm.

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Fitch–Margoliash phylogenetic tree, based on almost-complete 16S rRNA gene sequences, showing the relationships between strain CW67 , members of the genus and related members of the family . [PDF](29 KB)

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Fatty acid compositions of strain CW67 and type strains of species. [PDF](44 KB)

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