1887

Abstract

A Gram-stain-negative, strictly aerobic, gliding-motile, rod-shaped and orange-pigmented bacterium, designated 1494, was isolated from marine sediment collected off the coast of Weihai, PR China. Strain 1494 was found to grow at 4–37 °C (optimum, 30 °C), at pH 6.0–9.0 (pH 7.0) and in the presence of 0–8 % (w/v) NaCl (2 %). Cells were positive for oxidase and catalase activity. The results of 16S rRNA gene based phylogenetic analysis revealed that strain 1494 belonged to the genus and exhibited the highest sequence similarity to KCTC 22662 (98.4 %). Menaquinone-6 (MK-6) was detected as the major respiratory quinone. The dominant cellular fatty acids were iso-C G and iso-C. The DNA G+C content of strain 1494 was 31.1 mol%. The major polar lipids included phosphatidylethanolamine, one unidentified phospholipid and one unidentified lipid. Based on its phylogenetic and phenotypic characteristics, strain 1494 is considered to represent a novel species from the genus , for which the name sp. nov. is proposed. The type strain is 1494 (=KCTC 72531=MCCC 1H00385).

Funding
This study was supported by the:
  • Source Innovation Foundation for Young Scientists of Qingdao (Award 18-2-2-60-jch)
    • Principle Award Recipient: Ying-Jie Li
  • National Special Project for ‘Global Change and Air-Sea Interaction’ (Award GASI-GEOGE- 04)
    • Principle Award Recipient: Not Applicable
  • National Natural Science Foundation of China (Award 41476041)
    • Principle Award Recipient: Not Applicable
  • National Natural Science Foundation of China (Award 41830539)
    • Principle Award Recipient: Not Applicable
  • National Natural Science Foundation of China (Award 41576064)
    • Principle Award Recipient: Gaowa Saren
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2019-11-15
2021-08-04
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