Flavobacterium hungaricum sp. nov. a novel soil inhabitant, cellulolytic bacterium isolated from plough field
2022
Máté, Rózsa | Kutasi, József | Bata-Vidács, Ildikó | Kosztik, Judit | Kukolya, József | Tóth, Erika | Bóka, Károly | Táncsics, András | Kovács, Gábor | Nagy, István | Tóth, Ákos
A Gram-negative bacterial strain, named Kb82, was isolated from agricultural soil and a polyphasic approach was used for characterisation and to determine its taxonomic position. Based on 16S rRNA gene sequence analysis, the highest similarity was found with Flavobacterium artemisiae SYP-B1015 (98.2%). The highest ANI (83.3%) and dDDH (26.5%) values were found with Flavobacterium ginsenosidimutans THG 01 and Flavobacterium fluviale HYN0086ᵀ, respectively. The isolate is aerobic with rod-shaped cells, positive for catalase and negative for oxidase tests. The DNA G+C content is 34.7 mol%. The only isoprenoid quinone is menaquinone 6 (MK-6). The major fatty acids are iso-C₁₅:₀, summed feature 3 (C₁₆:₁ ω7c/C₁₆:₁ ω6c) and iso-C₁₇:₀ 3OH. The major polar lipid is phosphatidylethanolamine. On the bases of phenotypic characteristics and analysis of 16S rRNA gene sequences, it is concluded that strain Kb82ᵀ represents a novel species in the Flavobacterium genus, for which the name Flavobacterium hungaricum sp. nov. is proposed. The type strain of the species is strain Kb82ᵀ (= LMG 31576ᵀ = NCAIM B.02635ᵀ).
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