Species ***Streptococcus* *cristatus***

Name: Streptococcus cristatus corrig. Handley et al. 1991

Category: Species

Proposed as: sp. nov.

Etymology: cris.ta’tus. L. masc. adj. cristatus, ornamented by a crest

Pronunciation (Latin), gender: strep-to-KOK-kus kris-TA-tus, masculine

Type strain: ATCC 51100; CCUG 33481; CIP 105954; CR311; DSM 8249; LMG 16320; NCTC 12479

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU156757 Analyse FASTA

Valid publication: Handley P, Coykendall A, Beighton D, Hardie JM, Whiley RA. Streptococcus crista sp. nov., a viridans streptococcus with tufted fibrils, isolated from the human oral cavity and throat. Int J Syst Bacteriol 1991; 41:543-547. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 4 of the IJSB. Int J Syst Bacteriol 1992; 42:192.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

Synonyms:

Name	Kind
Streptococcus oligofermentans Tong et al. 2003	heterotypic synonym, validly published under the ICNP
Streptococcus crista Handley et al. 1991	other spelling of name, inaccurate spelling

Notes:
- ⏰ According to Jensen et al. (2016), this species is an earlier heterotypic synonym of Streptococcus oligofermentans Tong et al. 2003. Publication: Jensen A, Scholz CF, Kilian M. Re-evaluation of the taxonomy of the Mitis group of the genus Streptococcus based on whole genome phylogenetic analyses, and proposed reclassification of Streptococcus dentisani as Streptococcus oralis subsp. dentisani comb. nov., Streptococcus tigurinus as Streptococcus oralis subsp. tigurinus comb. nov., and Streptococcus oligofermentans as a later synonym of Streptococcus cristatus. Int J Syst Evol Microbiol 2016; 66:4803-4820. 🇩🇰
- 🧬 The phylogenomic assignment score of this taxon is 0.06868 (N = 3).
- 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PIIC". — 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 80 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 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. 🇬🇧
- 🧍 Listed as crista in the notification list. Publication: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 4 of the IJSB. Int J Syst Bacteriol 1992; 42:192.
- 🧍 Nom. corrig.: IJSB 47:909; Streptococcus crista (sic). Publication: Trüper HG, De' Clari L. Taxonomic note: Necessary correction of specific epithets formed as substantives (nouns) "in apposition". Int. J. Syst. Bacteriol. 1997; 47:908-909. 🇩🇪
- 🧍 The original spelling of the specific epithet, crista (sic), has been corrected by Trüper and De' Clari 1997. Publication: Trüper HG, De' Clari L. Taxonomic note: Necessary correction of specific epithets formed as substantives (nouns) "in apposition". Int. J. Syst. Bacteriol. 1997; 47:908-909. 🇩🇪

Parent taxon: Streptococcus Rosenbach 1884 (Approved Lists 1980)

Assigned by: Handley P, Coykendall A, Beighton D, Hardie JM, Whiley RA. Streptococcus crista sp. nov., a viridans streptococcus with tufted fibrils, isolated from the human oral cavity and throat. Int J Syst Bacteriol 1991; 41:543-547. 🇬🇧

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.781313Link copied to clipboard

Record number: 781313

This LPSN page was printed on 2026-09-09 22:31:18

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Species Streptococcus cristatus

Species ***Streptococcus* *cristatus***