Name: Streptococcus oralis subsp. tigurinus (Zbinden et al. 2012) Jensen et al. 2016

Category: Subspecies

Proposed as: comb. nov.

Basonym: Streptococcus tigurinus Zbinden et al. 2012

Etymology: ti.gu.ri’nus. N.L. masc. adj. tigurinus, of, or pertaining to Tigurum, a district in Helvetia, the modern Zürich, the region where the bacterial species was first recognized

Gender: masculine

Type strain: AZ_3a; CCOS 600; DSM 24864; NCTC 13783

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: JN004270 Analyse FASTA

Valid 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.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 66, part 11 of the IJSEM. Int J Syst Evol Microbiol 2017; 67:179-182.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Streptococcus tigurinus Zbinden et al. 2012	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 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.

Parent taxon: Streptococcus oralis Bridge and Sneath 1982

Assigned by: 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.

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Record number: 794815