Species Streptococcus difficile

Name: Streptococcus difficile Eldar et al. 1995

Category: Species

Proposed as: sp. nov.

Pronunciation (Latin), gender: strep-to-KOK-kus dif-FI-ki-le, masculine

Type strain: ATCC 51487; CIP 103768; LMG 15977; ND 2-22

16S rRNA gene: AB112407 Analyse FASTA

Effective publication: Eldar A, Bejerano Y, Bercovier H. Streptococcus shiloi and Streptococcus difficile: two new streptococcal species causing a meningoencephalitis in fish. Curr. Microbiol. 1994; 28:139-143.

IJSEM list: Anonymous. Validation list no. 52. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1995; 45:197-198.

Nomenclatural status: inaccurate spelling

Taxonomic status: misspelling (and not recommended for medical use)

Correct name: Streptococcus difficilis corrig. Eldar et al. 1995

Risk group: 2

Synonyms:

Name	Kind
Streptococcus agalactiae Lehmann and Neumann 1896 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP, conserved name
Streptococcus difficilis corrig. Eldar et al. 1995	corrected spelling of name, validly published under the ICNP

Notes:
- ⏲ According to Kawamura et al. (2005), this species is a later heterotypic synonym of Streptococcus agalactiae Lehmann and Neumann 1896 (Approved Lists 1980). Publication: Kawamura Y, Itoh Y, Mishima N, Ohkusu K, Kasai H, Ezaki T. High genetic similarity of Streptococcus agalactiae and Streptococcus difficilis: S. difficilis Eldar et al. 1995 is a later synonym of S. agalactiae Lehmann and Neumann 1896 (Approved Lists 1980). Int J Syst Evol Microbiol 2005; 55:961-965. 🇯🇵
- 😷 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". — 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 7 times in PubMed until 2026-06-11.
- 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
- 🧍 Nom. corrig.: IJSB 48:1073. Publication: Euzéby JP. Taxonomic note: necessary correction of specific and subspecific epithets according to Rules 12c and 13b of the International Code of Nomenclature of Bacteria (1990 Revision). Int. J. Syst. Bacteriol. 1998; 48:1073-1075. 🇫🇷

Parent taxon: Streptococcus Rosenbach 1884 (Approved Lists 1980)

Assigned by: Eldar A, Bejerano Y, Bercovier H. Streptococcus shiloi and Streptococcus difficile: two new streptococcal species causing a meningoencephalitis in fish. Curr. Microbiol. 1994; 28:139-143.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.784979Link copied to clipboard

Record number: 784979

This LPSN page was printed on 2026-08-12 14:13:42

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Species Streptococcus difficile