Name: Colwellia hornerae Bowman et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: hor’ne.rae. N.L. gen. fem. n. hornerae, of Horner, named in honor of Rita Horner, an American biologist who pioneered studies on sea-ice microbiota

Pronunciation (Latin), gender: kol-WEL-li-a HOR-ne-ra͡e, feminine

Type strain: ACAM 607; CIP 105821; IC035

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN175346 Analyse FASTA

Valid publication: Bowman JP, Gosink JJ, McCammon SA, Lewis TE, Nichols DS, Nichols PD, Skerratt JH, Staley JT, McMeekin TA. Colwellia demingiae sp. nov., Colwellia hornerae sp. nov., Colwellia rossensis and Colwellia psychrotropica sp. nov.: psychrophilic Antarctic species with the ability to synthesize docosahexaenoic acid (22:6ω3). Int. J. Syst. Bacteriol. 1998; 48:1171-1180. 🇦🇺

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 4 of the IJSB. Int J Syst Bacteriol 1999; 49:5-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Germany has been imported on 2026-08-13. 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 4 times in PubMed until 2026-06-11.

Parent taxon: Colwellia Deming et al. 1988

Assigned by: Bowman JP, Gosink JJ, McCammon SA, Lewis TE, Nichols DS, Nichols PD, Skerratt JH, Staley JT, McMeekin TA. Colwellia demingiae sp. nov., Colwellia hornerae sp. nov., Colwellia rossensis and Colwellia psychrotropica sp. nov.: psychrophilic Antarctic species with the ability to synthesize docosahexaenoic acid (22:6ω3). Int. J. Syst. Bacteriol. 1998; 48:1171-1180. 🇦🇺

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Record number: 783683