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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 67, Issue 9

sp. nov., a marine bacterium from the culture broth of sp. 122 Free

Abstract

A Gram-stain-negative, motile, non-spore-forming, rod-shaped bacterium, designated strain B2, was isolated from the culture broth of a marine microalga, sp. 122. Phylogenetic analyses based on 16S rRNA gene sequences indicated that strain B2 forms a robust cluster with members of the genus , and shares the highest sequence similarity of 96.80 % with CGMCC 1.7692. Optimal growth of strain B2 was observed at 33 °C, at pH 8 and in the presence of 1 % (w/v) NaCl. The predominant ubiquinone of strain B2 was Q-10, and the G+C content of the genomic DNA was 58.6 mol%. The major fatty acid profile comprised Cω7 ω6, C cyclo 8c and C. The major polar lipids of strain B2 were diphosphatidylglycerol, phosphatidylglycerol, two unidentified glycolipids and seven unidentified lipids. Comprehensive analyses based on a polyphasic characterization of strain B2 indicated that it represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is B2 (=MCCC 1K03218=CGMCC 1.15896=KCTC 52551).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): 16S rRNA gene phylogeny , chemotaxonomy and Pelagibacterium lentulum sp. nov.
© 2017 IUMS
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2017-09-01
2024-12-08
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Pelagibacterium lentulum sp. nov., a marine bacterium from the culture broth of Picochlorum sp. 122
Int J Syst Evol Microbiol 67, 3182 (2017); https://doi.org/10.1099/ijsem.0.002054
/content/journal/ijsem/10.1099/ijsem.0.002054
/content/journal/ijsem/10.1099/ijsem.0.002054
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