1887

Abstract

Two novel strains (N1Y82 and N1F302) were isolated from a marine sediment sample taken from the coastal zone of Weihai, PR China. Cells of the two strains were Gram-strain-negative, catalase-positive, oxidase-positive, non-motile and ovoid- to rod-shaped. Strain N1Y82 grew optimally at 16 °C, pH 7.5 and in the presence of 3.0 % (w/v) NaCl. Strain N1F302 grew optimally at 28 °C, pH 7.0–7.5 and in the presence of 2.0–2.5 % (w/v) NaCl. Phylogenetic analysis based on 16S rRNA gene sequences demonstrated that strains N1Y82 and N1F302 belonged to the genus , and were mostly related to KCTC 23959 with sequence similarity of 96.5 and 97.1 %, respectively. For these two novel strains, C ω7 was the major fatty acid, ubiquinone 10 was the predominant respiratory quinone, and phosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine, one unidentified aminolipid and one unidentified phospholipid were the major polar lipids. The DNA G+C contents of strain N1Y82 and N1F302 were 61.3 and 59.0 %, respectively. Consequently, strains N1Y82 and N1F302 are considered to represent two novel species of the genus , for which the names sp. nov. and sp. nov. are proposed. The type strains are N1Y82 (=KCTC 82768=MCCC 1H00524) and N1F302 (=KCTC 82412=MCCC 1H00525), respectively.

Funding
This study was supported by the:
  • Shandong University (Weihai) interdisciplinary cultivation project (Award Research on resources & environment and high-quality development of marine economy)
    • Principle Award Recipient: Zong-JunDu
  • National Natural Science Foundation of China (Award 32070002)
    • Principle Award Recipient: Zong-JunDu
  • National Science and Technology Fundamental Resources Investigation Program of China (Award 2019FY100700)
    • Principle Award Recipient: Zong-JunDu
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2023-02-24
2024-04-18
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