Name: Coprococcus catus Holdeman and Moore 1974 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: ca.tus. L. masc. adj. catus, clever, referring to unusual property of producing large quantities of both propionate and butyrate (sic)

Gender: masculine

Type strain: ATCC 27761; VPI C6-61

Conduct genome-based taxonomy at

16S rRNA gene: AB038359 Analyse FASTA

Effective publication: Holdeman LV, Moore WEC. New genus, Coprococcus, twelve new species, and emended descriptions of four previously described species of bacteria from human feces. International Journal of Systematic Bacteriology 1974; 24:260-277.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 24 times in PubMed until 2024-03-27.
  • 🧍 According to Ludwig et al. (2021), this "species affiliates away from its type species and may be reclassified as a new genus". Publication: Ludwig W, Viver T, Westram R, Francisco Gago J, Bustos-Caparros E, Knittel K, Amann R, Rossello-Mora R. Release LTP_12_2020, featuring a new ARB alignment and improved 16S rRNA tree for prokaryotic type strains. Syst Appl Microbiol 2021; 44:126218.
  • 🧍 The etymology provided by Holdeman and Moore is the following: L. adj. ca'tus clever [referring to the unusual property of producing large quantities of both propionic and butyric acids]. However, in Latin, the adjective catus -a -um means: either sharp to the hearing, clear-sounding, shrill; or (in a good sense) clear-sighted, intelligent, sagacious, wise; or (in a bad sense) sly, crafty, cunning, artful. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

Parent taxon: Coprococcus Holdeman and Moore 1974 (Approved Lists 1980)

Assigned by: Holdeman LV, Moore WEC. New genus, Coprococcus, twelve new species, and emended descriptions of four previously described species of bacteria from human feces. International Journal of Systematic Bacteriology 1974; 24:260-277.

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Record number: 783691