Strain C3-5, a Gram-negative, asporogenous, rod-shaped bacterium, was isolated from a tetrabromobisphenol A contaminated soil. Growth was observed at 10-37 °C (optimum 30 °C) and at pH 5.5-9.5 (optimum pH 7.0). Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain C3-5 is a member of the genus Terrimonas and exhibits high sequence similarities with Terrimonas pekingensis QH (99.0%) and Terrimonas rhizosphaerae CR94 (97.3%), and exhibits low (<97%) sequence similarities with other known Terrimonas species. Chemotaxonomic analysis revealed that strain C3-5 possesses menaquinone-7 (MK-7) as the major isoprenoid quinone and iso-C, iso-C G, iso-C 3-OH and summed feature 3 (C ω6c and/or C ω7c) as the major (>5% of total) fatty acids. The polar lipids were determined to be a lipid, glycolipid, phospholipid, phosphoaminolipid and phosphatidylethanolamine. The DNA G+C content was found to be 42.6 mol%. The DNA-DNA relatedness values with the closely related strains T. pekingensis QH and T. rhizosphaerae CR94 were 25.2 and 48.5%, respectively. Based on phylogenetic analysis, phenotypic characteristics and chemotaxonomic data, strain C3-5 is considered to represent a novel species of the genus Terrimonas, for which the name Terrimonas suqianensis sp. nov. is proposed. The type strain is C3-5 (= CCTCC AB 2017042 = KCTC 52676).
Bacterial strain ZZ-4T, a Gram-stain-negative, aerobic, non-spore-forming, non-motile, non-flagellated, rod-shaped bacterium, was isolated from tetrabromobisphenol A-contaminated soil in PR China. The taxonomic position of this strain was investigated using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain ZZ-4T was a member of the genus Emticicia and showed the highest sequence similarity to Emticicia fontis IMCC1731T (98.0 %) and Emticicia ginsengisoli Gsoil 085T (97.2 %), and lower (<97 %) sequence similarity to other known Emticicia species. Chemotaxonomic analysis revealed that strain ZZ-4T possessed menaquinone MK-7 as the major isoprenoid quinone; and iso-C15 : 0, summed feature 3 (C16 : 1ω6c and/or C16 : 1ω7), iso-C17 : 0 3-OH and C16 : 1ω5c were the predominant fatty acids. Strain ZZ-4T showed low DNA-DNA relatedness with E. fontis IMCC1731T (39.8±3.1 %) and E. ginsengisoli Gsoil 085T (44.51±1.5 %). The DNA G+C content was 38.3 mol%. Based on the phylogenetic and phenotypic characteristics, chemotaxonomic data and DNA-DNA hybridization results, strain ZZ-4T is considered to represent a novel species of the genus Emticicia, for which the name Emticicia soli sp. nov. is proposed. The type strain is ZZ-4T (=KCTC 52344T=CCTCC AB 2016137T).
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