Subscribe to our newsletter
To receive updates from LPSN every few months, sign up to our mailing list.
Species Bacteroides forsythus
Name: Bacteroides forsythus Tanner et al. 1986
Etymology: N.L. masc. adj. forsythus, pertaining to the Forsyth Dental Center, where the species was first isolated
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:
Tanner ACR, Listgarten MA, Ebersole JL, Strzempko MN. Bacteroides forsythus sp. nov., a slow-growing, fusiform Bacteroides sp. from the human oral cavity. Int. J. Syst. Bacteriol. 1986; 36:213-221. 
Nomenclatural status: validly published under the ICNP
Taxonomic status: synonym (and not recommended for medical use)
Correct name: Tannerella forsythia corrig. (Tanner et al. 1986) Sakamoto et al. 2002
-
Synonyms:
-
Name Kind Tannerella forsythia corrig. (Tanner et al. 1986) Sakamoto et al. 2002 homotypic synonym, validly published under the ICNP Tannerella forsythensis (Tanner et al. 1986) Sakamoto et al. 2002 homotypic synonym, inaccurate spelling
-
-
Notes:
- ❗ Bacteroides forsythus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Bacteroides.
- 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — 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 360 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.
-
🧍 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 2022; 168:0.
Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
Assigned by:
Tanner ACR, Listgarten MA, Ebersole JL, Strzempko MN. Bacteroides forsythus sp. nov., a slow-growing, fusiform Bacteroides sp. from the human oral cavity. Int. J. Syst. Bacteriol. 1986; 36:213-221.
Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/bacteroides-forsythusLink copied to clipboard
Record number: 783444
This LPSN page was printed on 2025-07-12 12:40:34