Species Porphyromonas circumdentaria

Name: Porphyromonas circumdentaria Love et al. 1992

Category, proposed as: species, sp. nov.

Etymology: cir.cum.den.ta’ri.a. L. prep. circum, around, about; L. fem. adj. dentaria, pertaining to teeth; N.L. fem. adj. circumdentaria, referring to the isolation of the organism from the vicinity of the teeth

Pronunciation (Latin), gender: por-p^hy-RO-mo-nas kir-kum-den-TA-ri-a, feminine

Type strain: ATCC 51356; CCUG 41934; JCM 13864; NCTC 12469; VPB 3329

Conduct genome-based taxonomy at

16S rRNA gene: AB547657 Analyse FASTA

Valid publication: Love DN, Bailey GD, Collings S, Briscoe DA. Description of Porphyromonas circumdentaria sp. nov. and reassignment of Bacteroides salivosus (Love, Johnson, Jones, and Calverley 1987) as Porphyromonas (Shah and Collins 1988) salivosa comb. nov. Int J Syst Bacteriol 1992; 42:434-438. 🇦🇺

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 42, part 3 of the IJSB. Int J Syst Bacteriol 1992; 42:656.

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 2026-08-13. 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 8 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.
  • 🧍 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. 🇬🇧

Parent taxon: Porphyromonas Shah and Collins 1988

Assigned by: Love DN, Bailey GD, Collings S, Briscoe DA. Description of Porphyromonas circumdentaria sp. nov. and reassignment of Bacteroides salivosus (Love, Johnson, Jones, and Calverley 1987) as Porphyromonas (Shah and Collins 1988) salivosa comb. nov. Int J Syst Bacteriol 1992; 42:434-438. 🇦🇺

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Record number: 784665