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Abstract

Gram-stain-negative, strictly aerobic bacterium, designated strain 2208YS6-2-32, was isolated from a marine invertebrate, () collected by trawl in the south coastal sea of the Republic of Korea. The cells were motile, short-rod, non-spore-forming and contained carotenoid pigments. Catalase and oxidase activities were positive. According to phylogenetic analysis based on 16S rRNA gene and whole-genome sequence determined that strain 2208YS6-2-32 belongs to the novel species and shares the highest 16S rRNA gene similarity with 85 (97.5%). The average nucleotide identity and digital DNA–DNA hybridization values between strain 2208YS6-2-32 and 85 were 78.3% and 21.9%, respectively. The DNA G+C content was 64.5%. Optimal growth of strain 2208YS6-2-32 was observed at 28 °C and pH 8 and in the presence of 1–3% (w/v) NaCl. Strain 2208YS6-2-32 contained ubiquinone-10 as the respiratory quinone, C ω (79.0%) and summed feature 3 (C 7 and/or C ω6c; 13.5%) as the major fatty acids. The polar lipids comprised diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, an unidentified aminolipid and seven unidentified lipids. Based on the results of the polyphasic approach, strain 2208YS6-2-32 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is 2208YS6-2-32 (=KACC 23586=JCM 36703).

Funding
This study was supported by the:
  • Ministry of Education (Award 2021R1I1A3046479)
    • Principal Award Recipient: Jin-SookPark
  • National Marine Biodiversity Institute of Korea
    • Principal Award Recipient: Jin-SookPark
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/content/journal/ijsem/10.1099/ijsem.0.006683
2025-03-06
2025-12-09

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