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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 70, Issue 6

sp. nov., isolated from aquaculture seawater Free

Abstract

A novel marine bacterium, designated strain 216LB-ZA1-12, was isolated from a aquaculture seawater sample. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain 216LB-ZA1-12 belonged to the genus , with the highest sequence similarity to MKT133 (97.7 %), followed by GH1-24 (97.0 %), CAU 1294 (96.6 %) and LMG 23452 (96.1 %). The average nucleotide identity and the DNA–DNA hybridization estimate values between strain 216LB-ZA1-12 and four close type strains were between 69.2–71.3% and 16.7–17.8 %, respectively. The bacterium was Gram-stain-negative, facultatively anaerobic, oxidase and catalase positive, oval- to rod-shaped, and motile. Growth was observed at pH 7–9, salinities of 1–15% and temperatures of 4–42 °C. The G+C content of the chromosomal DNA was 48.50 mol%. The major respiratory quinone was determined to be Q-10. The principal fatty acids were summed feature 8 (C ωω) and C. The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine and aminophospholipid. The combined genotypic and phenotypic data show that strain 216LB-ZA1-12 represents a novel species within the genus , for which the name sp. nov. is proposed, with the type strain 216LB-ZA1-12 (=MCCC 1A14570=KCTC 72144).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): aquaculture seawater , Sneathiella aquimaris sp. nov. and taxonomy
Funding
This study was supported by the:
  • Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province (CN) (Award NIMR-2020-9)
    • Principle Award Recipient: Zongze Shao
  • Ministère du Développement Économique, de l’Innovation et de l’Exportation (CA) (Award 16PZP001SF16)
    • Principle Award Recipient: Zongze Shao
  • National Natural Science Foundation of China (Award No.41676149)
    • Principle Award Recipient: Zongze Shao
© 2020 The Authors
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2020-05-29
2024-04-18
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Sneathiella aquimaris sp. nov., isolated from aquaculture seawater
Int J Syst Evol Microbiol 70, 3824 (2020); https://doi.org/10.1099/ijsem.0.004239
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