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Pseudomonas pratensis sp. nov., Isolated from Grassland Soil from Inner Mongolia, China
Current Microbiology ( IF 2.6 ) Pub Date : 2021-01-02 , DOI: 10.1007/s00284-020-02296-6 Meng Zhang , Lixin Shen , Jiajia Shi , Linxia Chen , Ying Luo , Jiquan Sun , Deliang Fan , Shintaro Hara , Zhihua Bao
Current Microbiology ( IF 2.6 ) Pub Date : 2021-01-02 , DOI: 10.1007/s00284-020-02296-6 Meng Zhang , Lixin Shen , Jiajia Shi , Linxia Chen , Ying Luo , Jiquan Sun , Deliang Fan , Shintaro Hara , Zhihua Bao
A novel bacterial strain, designated MHJ-10J T , was isolated from a soil sample obtained from a grassland in Inner Mongolia, China. MHJ-10J T strain could grow at 4–37 °C (optimum: 30 °C) and pH 4–9 (optimum: pH 6), as well as in the presence of 0–6% NaCl (optimum: 1%). Cells of strain MHJ-10J T are Gram-negative, rod-shaped, and motile. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain MHJ-10J T was most closely related to Pseudomonas lutea OK2 T (98.5% 16S rRNA gene sequence similarity). The values of the average nucleotide identities (ANI) and digital DNA–DNA hybridization (dDDH) between strain MHJ-10J T and its related species were all below 80.5% and 24.4%, respectively, which are significantly lower than the thresholds of 95% for ANI and 70% for DDH for species delineation. The genomic G + C content of the MHJ-10J T strain is 64.8 mol%. Based on the phenotypic, genotypic, chemotaxonomic, and phylogenetic analyses, strain MHJ-10J T can be assigned to the genus Pseudomonas . In this study, we propose that strain MHJ-10J T be classified as a novel species belonging to the genus Pseudomonas with the species name Pseudomonas pratensis sp. nov. The type strain of the proposed novel species is MHJ-10J T (= KCTC 82206 T = CGMCC 17322 T ).
更新日期：2021-01-02
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