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Abstract

A Gram-stain-negative, aerobic, non-spore-forming, motile by single polar flagellum and ovoid or rod-shaped bacterial strain, designated JBTF-M23, was isolated from tidal flat sediment collected from the Yellow Sea, Republic of Korea. Neighbour-joining phylogenetic tree of 16S rRNA gene sequences showed that strain JBTF-M23 fell within the clade comprising the type strains of species, clustering with the type strains of and . Strain JBTF-M23 exhibited the highest 16S rRNA gene sequence similarity value (98.6 %) to the type strain of and sequence similarities of 98.3 and 97.7 % to the type strains of and respectively. The DNA G+C content of strain JBTF-M23 from genomic sequence data was 41.98 %. The ANI and dDDH values between strain JBTF-M23 and the type strains of , and were 71.3–76.6 and 19.4–19.9 %, respectively. Strain JBTF-M23 contained Q-8 as the predominant ubiquinone and C 7 and/or C 6, C and C 7 as the major fatty acids. The major polar lipids of strain JBTF-M23 were phosphatidylethanolamine and one unidentified aminolipid. Distinguished phenotypic properties, along with the phylogenetic and genetic distinctiveness, revealed that strain JBTF-M23 is separated from recognized species. On the basis of the data presented, strain JBTF-M23is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is JBTF-M23(=KACC 19900=NBRC 113647).

Funding
This study was supported by the:
  • Rural Development Administration (Award PJ013743)
    • Principle Award Recipient: Jung-Hoon Yoon
  • National Institute of Biological Resources (Award project on survey of indigenous species of Korea)
    • Principle Award Recipient: Jung-Hoon Yoon
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2020-11-03
2021-08-02
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