Name: Thermoanaerobacter wiegelii Cook et al. 1996

Category: Species

Proposed as: sp. nov.

Etymology: wie.ge’li.i. N.L. gen. masc. n. wiegelii, of Juergen Wiegel, in recognition of his contributions to the study of thermophilic anaerobes

Pronunciation (Latin), gender: … wie-GE-li-i, masculine

Type strain: BCRC 80218; DSM 10319; Rt8.B1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X92513 Analyse FASTA

Valid publication: Cook GM, Rainey FA, Patel BK, Morgan HW. Characterization of a new obligately anaerobic thermophile, Thermoanaerobacter wiegelii sp. nov. Int J Syst Bacteriol 1996; 46:123-127. 🇬🇧

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 1 of the IJSB. Int J Syst Bacteriol 1996; 46:627.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Thermoanaerobacter thermohydrosulfuricus subsp. wiegelii" (Cook et al. 1996) Bouras et al. 2026	homotypic synonym, not validly published, distinct rank

• Notes:
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 🧬 The phylogenomic assignment score of this taxon is 0.10827 (N = 10).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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. — 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 6 times in PubMed until 2025-06-04.

Parent taxon: Thermoanaerobacter Wiegel and Ljungdahl 1982

Assigned by: Cook GM, Rainey FA, Patel BK, Morgan HW. Characterization of a new obligately anaerobic thermophile, Thermoanaerobacter wiegelii sp. nov. Int J Syst Bacteriol 1996; 46:123-127. 🇬🇧

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Record number: 782517