Species ***Streptococcus* *peroris***

Name: Streptococcus peroris Kawamura et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: per.o’ris. L. prep. per, through; L. gen. neut. n. oris, oral cavity; N.L. gen. neut. n. peroris, pertaining to the oral cavity, from where the organism was isolated

Pronunciation (Latin), gender: strep-to-KOK-kus per-O-ris, masculine

Type strain: ATCC 700780; CCUG 39814; CIP 105950; DSM 12493; GTC 848; JCM 10158; LMG 18719; NCTC 13785; O-66

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB008314 Analyse FASTA

Valid publication: Kawamura Y, Hou XG, Todome Y, Sultana F, Hirose K, Shu SE, Ezaki T, Ohkuni H. Streptococcus peroris sp. nov. and Streptococcus infantis sp. nov., new members of the Streptococcus mitis group, isolated from human clinical specimens. Int J Syst Bacteriol 1998; 48:921-927. 🇯🇵

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 3 of the IJSB. Int J Syst Bacteriol 1998; 48:1085-1087.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.07628 (N = 3).
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "+". — 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 8 times in PubMed until 2026-06-11.
- 🪓 Organisms assigned to this species have previously been classified as Streptococcus mitis Andrewes and Horder 1906 (Approved Lists 1980). Publication: Andrewes FW, Horder TJ. A study of the streptococci pathogenic for man. Lancet 1906; 2:708-713. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
- 🫡 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. This name is not taxonomically suspended any more in favour of Streptococcus mitis Andrewes and Horder 1906 (Approved Lists 1980). Publication: Andrewes FW, Horder TJ. A study of the streptococci pathogenic for man. Lancet 1906; 2:708-713. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Parent taxon: Streptococcus Rosenbach 1884 (Approved Lists 1980)

Assigned by: Kawamura Y, Hou XG, Todome Y, Sultana F, Hirose K, Shu SE, Ezaki T, Ohkuni H. Streptococcus peroris sp. nov. and Streptococcus infantis sp. nov., new members of the Streptococcus mitis group, isolated from human clinical specimens. Int J Syst Bacteriol 1998; 48:921-927. 🇯🇵

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.781372Link copied to clipboard

Record number: 781372

This LPSN page was printed on 2026-09-08 15:19:03

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Species Streptococcus peroris

Species ***Streptococcus* *peroris***