Name: Porphyromonas cangingivalis Collins et al. 1994

Category: Species

Proposed as: sp. nov.

Etymology: can.gin.gi.va’lis. L. gen. masc./fem. n. canis, dog; L. fem. n. gingiva, gum; L. masc./fem. adj. suff. -alis, suffix denoting pertaining to; N.L. fem. adj. cangingivalis, pertaining to the gums of dogs

Pronunciation (Latin), gender: por-p^hy-RO-mo-nas kan-gin-gi-WA-lis, feminine

Type strain: ATCC 700135; CCUG 47700; JCM 15983; NCTC 12856; VPB 4874

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB547654 Analyse FASTA

Valid publication: Collins MD, Love DN, Karjalainen J, Kanervo A, Forsblom B, Willems A, Stubbs S, Sarkiala E, Bailey GD, Wigney DI, et al. Phylogenetic analysis of members of the genus Porphyromonas and description of Porphyromonas cangingivalis sp. nov. and Porphyromonas cansulci sp. nov. Int J Syst Bacteriol 1994; 44:674-679. 🇦🇺

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 44, part 4 of the IJSB. Int J Syst Bacteriol 1995; 45:199-200.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t". — 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 15 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.

Parent taxon: Porphyromonas Shah and Collins 1988

Assigned by: Collins MD, Love DN, Karjalainen J, Kanervo A, Forsblom B, Willems A, Stubbs S, Sarkiala E, Bailey GD, Wigney DI, et al. Phylogenetic analysis of members of the genus Porphyromonas and description of Porphyromonas cangingivalis sp. nov. and Porphyromonas cansulci sp. nov. Int J Syst Bacteriol 1994; 44:674-679. 🇦🇺

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Record number: 784661