1887

Abstract

Three Gram-stain-negative, strictly aerobic, non-motile and rod-shaped bacterial strains, designated as HME9299, HMF7410 and HMF7856, were isolated from freshwater and tree bark collected in Yong-in, Republic of Korea. Strains HME9299, HMF7410 and HMF7856 exhibited the highest 16S rRNA gene sequence similarities of 97.2, 94.4 and 96.4 % to Jip 10, CCM 8645 and PP-F2F-G21, respectively. Among themselves, the values were 94.1–95.7 %. Phylogenetic analysis of the 16S rRNA gene sequences of the three isolates revealed that they belonged to the genus within the family . The predominant fatty acids of three strains were summed feature 3 (comprising C 7 and/or C 6) and iso-C. Strain HME9299 contained a relatively large amount of C 5. The predominant respiratory quinone was menaquinone-7. The genome sizes of strains HME9299, HMF7410 and HMF7856 were 4.33, 4.16 and 3.68 Mbp, respectively, and their DNA G+C contents were 41.6, 38.4 and 43.9 mol%, respectively. Based on the results of the phenotypic, genotypic, chemotaxonomic and phylogenetic investigation, three novel species, sp. nov, sp. nov. and sp. nov., are proposed. The type strains are HME9299 (=KCTC 42122=DSM 29146), HMF7410 (=KCTC 62464=NBRC 113227) and HMF7856 (=KCTC 72782=NBRC 114275), respectively.

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2021-03-16
2022-01-25
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