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Species Bacteroides praeacutus
Name: Bacteroides praeacutus (Tissier 1908) Holdeman and Moore 1970 (Approved Lists 1980)
Basonym: "Coccobacillus praeacutus" Tissier 1908
Etymology: prae.a.cu’tus. L. masc. adj. praeacutus, sharpened to a point, sharpened
Type strain: ATCC 25539; CCUG 27825; LMG 8203; NCIMB 703038; NCTC 11158
Conduct genome-based taxonomy at
16S rRNA gene:
X80833
Analyse
FASTA
Effective publication: Holdeman LV, Moore WEC. Bacteroides. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 33-44.
IJSEM list:
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420. 
Nomenclatural status: validly published under the ICNP
Taxonomic status: synonym (and not recommended for medical use)
Correct name: Tissierella praeacuta (Tissier 1908) Collins and Shah 1986
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Synonyms:
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Name Kind "Coccobacillus praeacutus" Tissier 1908 homotypic synonym, not validly published, basonym of name in Approved Lists "Fusobacterium praeacutum" (Tissier 1908) Hoffman 1957 homotypic synonym, not validly published Clostridium hastiforme MacLennan 1939 (Approved Lists 1980) heterotypic synonym, validly published under the ICNP Tissierella praeacuta (Tissier 1908) Collins and Shah 1986 homotypic synonym, validly published under the ICNP
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Notes:
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⏰ According to Bä et al. (2004), this species is an earlier heterotypic synonym of Clostridium hastiforme MacLennan 1939 (Approved Lists 1980).
Publication:
Bae JW, Park JR, Chang YH, Rhee SK, Kim BC, Park YH. Clostridium hastiforme is a later synonym of Tissierella praeacuta. Int J Syst Evol Microbiol 2004; 54:947-949.
- ❗ Bacteroides praeacutus 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, note = "ht". — 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 1 time 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.
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⏰ According to Bä et al. (2004), this species is an earlier heterotypic synonym of Clostridium hastiforme MacLennan 1939 (Approved Lists 1980).
Publication:
Bae JW, Park JR, Chang YH, Rhee SK, Kim BC, Park YH. Clostridium hastiforme is a later synonym of Tissierella praeacuta. Int J Syst Evol Microbiol 2004; 54:947-949.
Parent taxon: Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
Assigned by: Holdeman LV, Moore WEC. Bacteroides. In: Cato EP, Cummins CS, Holdeman LV, Johnson JL, Moore WEC, Smibert RM, Smith LDS (eds), Outline of Clinical Methods in Anaerobic Bacteriology, 2nd revision, Virginia Polytechnic Institute - Anaerobe Laboratory, Blacksburg/Virginia, 1970, p. 33-44.
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Record number: 783457
This LPSN page was printed on 2025-12-14 23:36:18