Name: Colwellia polaris Zhang et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: po.la’ris. M.L. fem. adj. polaris, polar, referring to the isolation of the type strain from the Arctic Ocean

Gender: feminine

Type strain: 537; CGMCC 1.6132; JCM 13952

See detailed strain information at

16S rRNA gene: DQ007434 Analyse FASTA

Valid publication: Zhang DC, Yu Y, Xin YH, Liu HC, Zhou PJ, Zhou YG. Colwellia polaris sp. nov., a psychrotolerant bacterium isolated from Arctic sea ice. Int J Syst Evol Microbiol 2008; 58:1931-1934.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 8 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:2473-2474.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Cognaticolwellia polaris" (Zhang et al. 2008) Liu et al. 2020	homotypic synonym, not validly published

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. The usage of the term "coherent taxon" (or equivalent) is cautioned against. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 9 times in PubMed until 2025-06-04.

Parent taxon: Colwellia Deming et al. 1988

Assigned by: Zhang DC, Yu Y, Xin YH, Liu HC, Zhou PJ, Zhou YG. Colwellia polaris sp. nov., a psychrotolerant bacterium isolated from Arctic sea ice. Int J Syst Evol Microbiol 2008; 58:1931-1934.

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Record number: 787502