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Volume 71, Issue 8

sp. nov., isolated from deep-sea sediment No Access

Abstract

A novel bacterial strain, designated SW136, was isolated from a deep-sea sediment sample collected from the South China Sea. Cells were Gram-stain-negative, aerobic, catalase-positive and oxidase-positive. Phylogenetic analysis based on 16S rRNA gene sequences indicated that strain SW136 represented a novel member of the genus , forming a distinct cluster with ‘’, and (98.2, 98.1 and 97.9% sequence similarity, respectively). The predominant cellular fatty acid of strain SW136 was C 7. Strain SW136 contained ubiquinone-10 as the dominant respiratory quinone, and diphosphatidylglycerol, phosphatidylcholine, phosphatidylethanolamine and phosphatidylglycerol as the major polar lipids. The genomic DNA G+C content was 64.3 mol%. The average nucleotide identity and digital DNA–DNA hybridization values of strain SW136 with CGMCC 1.12222 and CGMCC 1.12225 were 78.8 and 78.6 % and 21.5 and 25.5 %, respectively. On the basis of phylogenetic inference and phenotypic characteristics, we propose that strain SW136 represents a novel species of the genus , with the name sp. nov. The type strain is SW136 (=CGMCC 1.17725=KCTC 82366).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Aurantimonas marina , deep-sea sediment and phylogenetic analysis
Funding
This study was supported by the:
  • China Ocean Mineral Resources Research and Development Association (Award DY135-B2-02)
    • Principle Award Recipient: SongLei
  • Key Technologies Research and Development Program (Award 2018YFC0310801)
    • Principle Award Recipient: DongXiuzhu
© 2021 The Authors
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2021-08-13
2024-05-05
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Aurantimonas marina sp. nov., isolated from deep-sea sediment
Int J Syst Evol Microbiol 71, 004944 (2021); https://doi.org/10.1099/ijsem.0.004944
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