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Species Streptococcus equinus

Classification: 

Bacteria Bacillati Bacillota Bacilli Lactobacillales Streptococcaceae Streptococcus Streptococcus equinus

Name: Streptococcus equinus Andrewes and Horder 1906 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: e.qui’nus. L. masc. adj. equinus, of or belonging to horses

Pronunciation (Latin), gender: strep-to-KOK-kus e-KWI-nus, masculine

Type strain: ATCC 9812; CCUG 27302; CIP 102504; DSM 20558; HAMBI 1572; IFO 12553; JCM 7879; LMG 14897; NBRC 12553; NCTC 12969

Conduct genome-based taxonomy at tygs-logo

16S rRNA gene: AB680295 Analysetree FASTA download

Effective publication: Andrewes FW, Horder TJ. A study of the streptococci pathogenic for man. Lancet 1906; 2:708-713.

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 (and explicitly recommended for medical use)

Risk group: 2

  • Notes:
    • ⏰ According to Whiley and Kilian (2003), this species is an earlier heterotypic synonym of Streptococcus bovis Orla-Jensen 1919 (Approved Lists 1980). Publication: Whiley RA, Kilian M. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of staphylococci and streptococci. Minutes of the closed meeting, 31 July 2002, Paris, France. Int. J. Syst. Evol. Microbiol. 2003; 53:915-917. 🇬🇧
    • 🧬 The phylogenomic assignment score of this taxon is 0.11040 (N = 3).
    • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human and animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2, note = "ht". — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 136 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 risk group of the species itself.
    • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧
    • 🧍 See also: Publication: Schlegel L, Grimont F, Ageron E, Grimont PA, Bouvet A. Reappraisal of the taxonomy of the Streptococcus bovis/Streptococcus equinus complex and related species: description of Streptococcus gallolyticus subsp. gallolyticus subsp. nov., S. gallolyticus subsp. macedonicus subsp. nov. and S. gallolyticus subsp. pasteurianus subsp. nov. Int J Syst Evol Microbiol 2003; 53:631-645. 🇫🇷
    • 🧍 See also: Publication: Poyart C, Quesne G, Trieu-Cuot P. Taxonomic dissection of the Streptococcus bovis group by analysis of manganese-dependent superoxide dismutase gene (sodA) sequences: reclassification of 'Streptococcus infantarius subsp. coli' as Streptococcus lutetiensis sp. nov. and of Streptococcus bovis biotype 11.2 as Streptococcus pasteurianus sp. nov. Int J Syst Evol Microbiol 2002; 52:1247-1255. 🇫🇷

Parent taxon: Streptococcus Rosenbach 1884 (Approved Lists 1980)

Assigned by: Andrewes FW, Horder TJ. A study of the streptococci pathogenic for man. Lancet 1906; 2:708-713.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.781328Link copied to clipboard

Record number: 781328

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