1887

Abstract

A Gram-stain-negative bacterial strain, designated as E165, was isolated from a tidal flat sediment of the East China Sea. Strain E165 grew optimally at pH 6, at 32 °C and with 1–2 % (w/v) NaCl. The 16S rRNA gene sequence similarity results revealed that strain E165 was most closely related to IVIA-Po-145, CK13, IVIA-Po-155, HDW-15, 46-16, B20-1 and DSL-35 with values of 97.0–98.5 %. The digital DNA–DNA hybridization and average nucleotide identity values between strain E165 and the reference strains were 21.9–34.3 % and 77.6–87.3 %, respectively. The DNA G+C content of the isolate was 42.9 mol%. Strain E165 contained Q-8 as the sole ubiquinone and C, summed feature 8 (C 7 and/or C 6) and summed feature 3 (C 7 and/or C 6) as the major fatty acids. The major polar lipids of strain E165 were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, aminolipid and aminophospholipid. On the basis of phenotypic characteristics, phylogenetic analysis and DNA–DNA relatedness, a novel species, sp. nov., is proposed with E165 (=MCCC 1K06241=KCTC 82809) as the type strain.

Funding
This study was supported by the:
  • the Ministry of Science and Technology Award (Award 2018YFA0605802)
    • Principle Award Recipient: PengWang
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2022-05-12
2022-05-24
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