1887

Abstract

Strain M2, isolated from marine sediment collected at Jeju Island, was an aerobic, Gram-stain-negative, oxidase- and catalase-positive, motile, rod-shaped bacterium that formed circular, raised, yellow colonies. Strain M2 grew at 15–42 °C, pH 5.5–9.0 and with 1–9 % (w/v) NaCl. Phylogenetic analysis based on its 16S rRNA gene sequences indicated that strain M2 was closely related to F02 (98.0 % sequence similarity). Ubiquinone-8 was determined to be the sole respiratory quinone. Summed feature 3 (C 6/C 7) and summed feature 8 (C 7/C 6) were identified as the predominant fatty acids. The DNA G+C content and digital DNA–DNA relatedness between strain M2 and F02 were 60.7 mol% and 19.5 %, respectively. Phosphatidylglycerol and phosphatidylethanolamine were identified as the major polar lipids. Thus, polyphasic characterization revealed that strain M2 represents a novel species in the genus , for which the name sp. nov. is proposed. The type strain is M2 (=KCTC 72815=VTCC 910108).

Funding
This study was supported by the:
  • National Institute of Biological Resources (Award NIBR201902111 and NIBR202002108)
    • Principle Award Recipient: Soo-JePark
  • National Research Foundation of Korea (Award 2018R1C1B6006762 and 2020R1I1A3062110)
    • Principle Award Recipient: Soo-JePark
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2020-12-03
2021-08-02
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