Name: Thermoanaerobacterium thermosaccharolyticum (McClung 1935) Collins et al. 1994

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium thermosaccharolyticum McClung 1935 (Approved Lists 1980)

Etymology: ther.mo.sac.cha.ro.ly’ti.cum. Gr. masc. adj. thermos, hot; Gr. neut. n. sakchar, sugar; N.L. neut. adj. lyticum, able to loose, able to dissolve; from Gr. neut. adj. lytikon, able to loose, dissolving; N.L. neut. adj. thermosaccharolyticum, referring to thermophily and sugar-dissolving

Pronunciation, gender: t^her-mo-sak-k^ha-ro-LY-ti-kum, neuter

Type strain: ATCC 7956; DSM 571; HAMBI 2225; LMG 2811; NBIMCC 8957; NCTC 13789

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M59119 Analyse FASTA

Valid publication: Collins MD, Lawson PA, Willems A, Cordoba JJ, Fernandez-Garayzabal J, Garcia P, Cai J, Hippe H, Farrow JA. The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int J Syst Bacteriol 1994; 44:812-826. 🇬🇧

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: 1

• Synonyms:

  • Name	Kind
    Clostridium thermosaccharolyticum McClung 1935 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.12230 (N = 10).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, 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 76 times in PubMed until 2025-06-04.
  • 🙆 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 genus.

Parent taxon: Thermoanaerobacterium Lee et al. 1993

Assigned by: Collins MD, Lawson PA, Willems A, Cordoba JJ, Fernandez-Garayzabal J, Garcia P, Cai J, Hippe H, Farrow JA. The phylogeny of the genus Clostridium: proposal of five new genera and eleven new species combinations. Int J Syst Bacteriol 1994; 44:812-826. 🇬🇧

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Record number: 782526