Name: Tannerella forsythensis (Tanner et al. 1986) Sakamoto et al. 2002

Category: Species

Proposed as: comb. nov.

Basonym: Bacteroides forsythus Tanner et al. 1986

Gender: feminine

Type strain: 338; ATCC 43037; CCUG 21028; CCUG 21028 A; CCUG 33064; CCUG 33226; CIP 105219; DSM 18712; FDC 338; JCM 10827

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB547708 Analyse FASTA

Valid publication: Sakamoto M, Suzuki M, Umeda M, Ishikawa I, Benno Y. Reclassification of Bacteroides forsythus (Tanner et al. 1986) as Tannerella forsythensis corrig., gen. nov., comb. nov. Int J Syst Evol Microbiol 2002; 52:841-849. 🇯🇵

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 3 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:1077-1079.

Nomenclatural status: inaccurate spelling

Taxonomic status: misspelling (and not recommended for medical use)

Correct name: Tannerella forsythia corrig. (Tanner et al. 1986) Sakamoto et al. 2002

Risk group: 2

• Synonyms:

  • Name	Kind
    Bacteroides forsythus Tanner et al. 1986	homotypic synonym, validly published under the ICNP
    Tannerella forsythia corrig. (Tanner et al. 1986) Sakamoto et al. 2002	corrected spelling of name, validly published under the ICNP

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — 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 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.
  • 🎓 Name mentioned 197 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Maiden et al. (2003) propose to correct the specific epithet to 'forsythia' (Request for an Opinion). Publication: Maiden MF, Cohee P, Tanner AC. Proposal to conserve the adjectival form of the specific epithet in the reclassification of Bacteroides forsythus Tanner et al. 1986 to the genus Tannerella Sakamoto et al. 2002 as Tannerella forsythia corrig., gen. nov., comb. nov. Request for an Opinion. Int J Syst Evol Microbiol 2003; 53:2111-2112. 🇺🇸

Parent taxon: Tannerella Sakamoto et al. 2002

Assigned by: Sakamoto M, Suzuki M, Umeda M, Ishikawa I, Benno Y. Reclassification of Bacteroides forsythus (Tanner et al. 1986) as Tannerella forsythensis corrig., gen. nov., comb. nov. Int J Syst Evol Microbiol 2002; 52:841-849. 🇯🇵

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Record number: 785044