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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 63, Issue Pt_10

sp. nov., a moderately halophilic bacterium isolated from seawater Free

Abstract

A Gram-stain-negative, aerobic, moderately halophilic bacterium, strain DY53, was isolated from a deep-seawater sample collected from the eastern Pacific Ocean. This isolate grew in the presence of 0.5–10.0 % (w/v) NaCl, at pH 6.5–8.5 and at 15–40 °C. The optimum NaCl concentration for growth of DY53 was 2 % (w/v) at 35 °C. Chemotaxonomic analysis showed MK-7 as the predominant menaquinone and iso-C, summed feature 3 (iso-C 2-OH and/or Cω7), iso-C G, iso-C 3-OH and iso-C 3-OH as major cellular fatty acids. The genomic DNA G+C content was 40.8 mol%. Phylogenetic trees based on 16S rRNA gene sequences revealed that UST030701-097 was the closest neighbour, with 96.7 % sequence similarity. Based on phylogenetic, chemotaxonomic and phenotypic data, we propose that strain DY53 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is DY53( = CGMCC 1.12402 = JCM 18885).

  • Published Online:
Funding
This study was supported by the:
  • China Ocean Mineral Resources R & D Association (COMRA) Special Foundation (Award DY125-15-R-03)
  • Public Science and Technology Research Funds Projects of Ocean (Award 201005032-3)
  • National Natural Science Foundation of China (Award 41276173)
© 2013 IUMS
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2013-10-01
2024-04-24
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Fabibacterpacificus sp. nov., a moderately halophilic bacterium isolated from seawater
Int J Syst Evol Microbiol 63, 3710 (2013); https://doi.org/10.1099/ijs.0.051276-0
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