1887

Abstract

A Gram-stain-negative, aerobic, motile, ovoid-shaped and yellow-coloured strain, designated SYSU M79828, was isolated from seawater collected from the South China Sea. Growth of this strain was observed at 4–37 °C (optimum, 28 °C), pH 6.0–8.0 (optimum, pH 7.0) and with 0–6% NaCl (optimum, 3.0 %, w/v). The respiratory quinone was found to be Q-10. Major fatty acid constituents were C 7/C 6, C 711-methyl and C (>5 % of total). The major polar lipids were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine, phosphoglycolipid, two unidentified phospholipid, one unidentified lipid and an unidentified glycolipid. The genomic DNA G+C content was 64.5 mol%. Phylogenetic analyses based on 16S rRNA gene sequences and core genes indicated that strain SYSU M79828 belonged to the genus and had the highest sequences similarity to ‘’ TJ48 (98.41 %). Based on 16S rRNA gene phylogeny, physiological and chemotaxonomic characterizations, we consider that strain SYSU M79828 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SYSU M79828 (=GDMCC 1.3803=KCTC 92893). In addition, according to the results of phylogenetic analysis and similar taxonomic characteristics, we propose that should be reclassified as comb. nov.

Funding
This study was supported by the:
  • Guangdong Basic and Applied Basic Research Foundation, China (Award 2023A1515012270)
    • Principle Award Recipient: Jia-LingLi
  • Guangdong Basic and Applied Basic Research Foundation, China (Award 2022A1515010756)
    • Principle Award Recipient: Pan-DengWang
  • Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) (Award 311021004)
    • Principle Award Recipient: Wen-JunLi
  • Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) (Award 311021006)
    • Principle Award Recipient: Jia-LingLi
  • National Natural Science Foundation of China (Award 32200090)
    • Principle Award Recipient: Jia-LingLi
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2023-09-29
2024-12-12
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