A Gram-stain-negative, facultative anaerobic strain, designated WSJ-3, was isolated from soil. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain WSJ-3 belongs to genus Sediminibacterium and exhibits the highest sequence similarities to Sediminibacterium roseum SYL130 (97.0%), Sediminibacterium goheungense DSM 28323 (96.9%), Sediminibacterium aquarii AA5 (96.7%), and Sediminibacterium salmoneum NBRC 103935 (95.2%). The average nucleotide identity values of strain WSJ-3/S. roseum SYL130 and strain WSJ-3/S. goheungense DSM 28323 are 72.2% and 70.4%, respectively, and digital DNA-DNA hybridization values for these are 19.2% and 19.1%, respectively. Strain WSJ-3 has a genome size of 3.88 Mb, with a DNA G + C content of 50.1 mol% and comprises of 3263 predicted genes. A phylogenetic tree constructed using the genomic core protein coding sequences revealed that strain WSJ-3 clusters with S. roseum SYL130. Strain WSJ-3 has menaquinone-7 as the only respiratory quinone and phosphatidylethanolamine, three unidentified phospholipids, four unidentified aminophospholipids, two unidentified aminolipids, and three unidentified lipids as the polar lipids. The major fatty acids of strain WSJ-3 are iso-C, iso-C 3-OH, and iso-C G. On the basis of the polyphasic results, the isolate represents a novel species of the genus Sediminibacterium, for which the name Sediminibacterium soli sp. nov. is proposed. The type strain is WSJ-3 (= KCTC 72839 = CCTCC AB 2019408).
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http://dx.doi.org/10.1007/s00203-020-02089-2 | DOI Listing |
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