Species Trichococcus collinsii

Name: Trichococcus collinsii Liu et al. 2002

Category, proposed as: species, sp. nov.

Etymology: col.lin’si.i. N.L. gen. masc. n. collinsii, referring to M. D. Collins, a contemporary English microbiologist who has contributed significantly to our understanding of the systematics of the lactic acid bacteria

Pronunciation (Latin), gender: tri-k^ho-KOK-kus kol-LIN-si-i, masculine

Type strain: 37AN3; ATCC BAA-296; DSM 14526

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ306612 Analyse FASTA

Valid publication: Liu JR, Tanner RS, Schumann P, Weiss N, McKenzie CA, Janssen PH, Seviour EM, Lawson PA, Allen TD, Seviour RJ. Emended description of the genus Trichococcus, description of Trichococcus collinsii sp. nov., and reclassification of Lactosphaera pasteurii as Trichococcus pasteurii comb. nov. and of Ruminococcus palustris as Trichococcus palustris comb. nov. in the low-G+C gram-positive bacteria. Int J Syst Evol Microbiol 2002; 52:1113-1126. 🇦🇺

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 4 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:1439-1440.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Emendations:
  • Pikuta et al. 2006 Pikuta EV, Hoover RB, Bej AK, Marsic D, Whitman WB, Krader PE, Tang J. Trichococcus patagoniensis sp. nov., a facultative anaerobe that grows at -5 degrees C, isolated from penguin guano in Chilean Patagonia. Int J Syst Evol Microbiol 2006; 56:2055-2062. 🇺🇸 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 9 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:2725-2726.

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.22175 (N = 9).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 3 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of other species in the genus.

Parent taxon: Trichococcus Scheff et al. 1984

Assigned by: Liu JR, Tanner RS, Schumann P, Weiss N, McKenzie CA, Janssen PH, Seviour EM, Lawson PA, Allen TD, Seviour RJ. Emended description of the genus Trichococcus, description of Trichococcus collinsii sp. nov., and reclassification of Lactosphaera pasteurii as Trichococcus pasteurii comb. nov. and of Ruminococcus palustris as Trichococcus palustris comb. nov. in the low-G+C gram-positive bacteria. Int J Syst Evol Microbiol 2002; 52:1113-1126. 🇦🇺

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Record number: 782846