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  • Title: Pedobacter paludis sp. nov., isolated from wetland soil.
    Author: Zhang Y, Li J, Wang J, Wang G.
    Journal: Arch Microbiol; 2019 Apr; 201(3):349-355. PubMed ID: 30635670.
    Abstract:
    A Gram-stain-negative, aerobic, non-motile, rod-shaped and non-spore-forming bacterium, designated YXT, was isolated from wetland soil. Compared to strain YXT, Pedobacter yonginense HMD1002T had the highest 16S rRNA gene sequence identity (97.8%), and the remaining strains had the identities below 97%. Phylogenetic analysis of the 16S rRNA gene sequences showed that strain YXT grouped with P. yonginense HMD1002T. The values of DNA-DNA hybridization and genomic orthologous average nucleotide identity (orthoANI) between strain YXT and Pedobacter yonginense KCTC 22721T were 58.5% and 82.0%, respectively. The genome size of strain YXT was 5.0 Mb, comprising 4369 predicted genes with a DNA G+C content of 37.3 mol %. Strain YXT had menaquinone-7 as the only respiratory quinone and polar lipids of phosphatidylethanolamine, sphingolipid, aminolipid and three unidentified lipids. The predominant cellular fatty acids (> 10%) of strain YXT were summed feature 3 (iso-C15:0 2-OH and/or C16:1ω7c), iso-C15:0 and iso-C17:0 3-OH. Strain YXT could be distinguished from the other Pedobacter members based on the data of phylogenetic distance, DNA-DNA hybridization, genomic orthoANI, RecA MLSA, core-protein comparison, and hydrolyses of L-arginine, utilization of D/L-lactate, L-alanine, 5-ketonic gluconate and glycogen. Therefore, strain YXT represents a novel species of the genus Pedobacter, for which the name Pedobacter paludis sp. nov. is proposed. The type strain is YXT (= KCTC 62520T = CCTCC AB 2018029T).
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