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Abstract

A Gram-stain-negative, non-motile, strictly aerobic, rod-shaped bacterium, with one polar flagellum and named D11R37, was isolated from coral culture seawater of . Strain D11R37 grew with 0–6 % (w/v) NaCl (optimum, 0.5%), at 10–41 °C (optimum, 28 °C) and at pH 6.0–7.0 (optimum, 7.0). Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain D11R37 formed a lineage within the genus , and it was distinct from the most closely related species XIN-1 and G16-7 with 16S rRNA gene sequences similarities of 95.97% and 95.48 %. The major respiratory quinone was menaquinone-6. The polar lipids comprised one phosphatidylethanolamine, two aminolipids and one unknown polar lipid. The predominant fatty acids (more than 10 % of total fatty acids) were iso-C (18.0%), iso-C 3-OH (11.9 %) and summed feature 3 (10.9 %). The DNA G+C content was 41.3 mol%. Based on polyphasic taxonomic data, strain D11R37 is considered to represent a novel species within the genus , for which the name sp. nov. is proposed. The type strain is D11R37 (=KCTC 82968=MCCC 1K06440).

Funding
This study was supported by the:
  • China Guangdong OEDP Fund (Award GDNRC [2020]040)
    • Principle Award Recipient: BaohuaXiao
  • Shenzhen Science and Technology R&D Fund (Award JCYJ20200109144803833)
    • Principle Award Recipient: BaohuaXiao
  • Shenzhen Science and Technology R&D Fund (Award KJYY20180213182720347)
    • Principle Award Recipient: BaohuaXiao
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2022-05-18
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