Flavisolibacter carri sp. nov., isolated from an automotive air-conditioning system
2018
Lee, Hyosun | Kim, Dong-Uk | Lee, Suyeon | Kim, Sŏng-gŭn | Park, A-Young | Ahn, Jae-Hyung | Ka, Jong-Ok
A Gram-stain negative, aerobic, non-motile, rod-shaped and yellow bacterium, designated TX0651ᵀ, was isolated from an automotive air-conditioning system. Phylogenetically, the strain groups with the members of the genus Flavisolibacter and exhibits high 16S rRNA gene sequence similarities with Flavisolibacter ginsenosidimutans Gsoil 636ᵀ (97.4%), Flavisolibacter ginsengiterrae Gsoil 492ᵀ (96.3%) and Flavisolibacter ginsengisoli Gsoil 643ᵀ (96.2%). DNA–DNA relatedness between TX0651ᵀ and F. ginsenosidimutans KCTC 22818ᵀ and F. ginsengiterrae KCTC 12656ᵀ were determined to be less than 40%. The low levels of DNA–DNA relatedness identifies the strain TX0651ᵀ as a novel species in the genus Flavisolibacter. The major cellular fatty acids were identified as iso-C₁₅:₀, summed feature 3 (C₁₆:₁ ω7c and/or C₁₆:₁ ω6c), iso-C₁₅:₁ G and iso-C₁₇:₀ 3-OH. The predominant respiratory quinone was identified as MK-7. The polar lipids were found to be comprised of phosphatidylethanolamine, unidentified amino-glycophospholipids, an unidentified aminophospholipid, an unidentified amino lipid and unidentified lipids. The DNA G+C content of the strain was determined to be 31.2 mol%. On the basis of the phenotypic, genotypic and chemotaxonomic characteristics, strain TX0651ᵀ should be classified in a novel species in the genus Flavisolibacter, for which the name Flavisolibacter carri sp. nov. (= KACC 19014ᵀ = KCTC 52836ᵀ = NBRC 111784ᵀ) is proposed.
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