Parasegetibacter terrae sp. nov., isolated from paddy soil and emended description of the genus Parasegetibacter

A Gram-stain-negative, variably shaped, non-flagellated, yellow-pigmented, aerobic bacterium, designated strain SGM2-10(T), was isolated from a paddy soil sample from the Suwon region, South Korea. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the isolate was related most closely to Parasegetibacter luojiensis RHYL-37(T). Strain SGM2-10(T) showed highest 16S rRNA gene sequence similarity to P. luojiensis RHYL-37(T) (95.1 %), Flavitalea populi HY-50R(T) (95.0 %) and Flavitalea gansuensis JCN-23(T) (94.4 %). No other species in the family Chitinophagaceae shared more than 94.1 % 16S rRNA gene sequence similarity with strain SGM2-10(T). The major fatty acids of strain SGM2-10(T) were iso-C15 : 0, iso-C15 : 1 G and iso-C17 : 0 3-OH. The only menaquinone was MK-7. The polar lipids comprised phosphatidylethanolamine, seven unknown lipids and ten unknown aminolipids. The G+C content of the DNA of strain SGM2-10(T) was 46.7 mol%. On the basis of the results of the polyphasic characterization presented in this study, it is concluded that strain SGM2-10(T) represents a novel species of the genus Parasegetibacter, for which the name Parasegetibacter terrae sp. nov. is proposed. The type strain is SGM2-10(T) ( = KACC 17341(T) = JCM 19942(T)). The description of the genus Parasegetibacter has also been emended.