Name: Anaerostipes butyraticus Eeckhaut et al. 2010

Category: Species

Proposed as: sp. nov.

Etymology: bu.ty.ra’ti.cus. N.L. masc. n. butyras (gen. butyratis), butyrate; L. masc. adj. suff. -icus, suffix used with the sense of pertaining to, related to; N.L. masc. adj. butyraticus, related to butyrate, i.e. producing butyrate

Gender: masculine

Type strain: 35-7; DSM 22094; LMG 24724

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB616134 Analyse FASTA

Valid publication: Eeckhaut V, Van Immerseel F, Pasmans F, De Brandt E, Haesebrouck F, Ducatelle R, Vandamme P. Anaerostipes butyraticus sp. nov., an anaerobic, butyrate-producing bacterium from Clostridium cluster XIVa isolated from broiler chicken caecal content, and emended description of the genus Anaerostipes. Int J Syst Evol Microbiol 2010; 60:1108-1112.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 5 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:1715-1716.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Notes:
  • 😷 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 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 2024-03-27.
  • 🙆 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 pathogenicity of other species in the genus.

Parent taxon: Anaerostipes Schwiertz et al. 2002

Assigned by: Eeckhaut V, Van Immerseel F, Pasmans F, De Brandt E, Haesebrouck F, Ducatelle R, Vandamme P. Anaerostipes butyraticus sp. nov., an anaerobic, butyrate-producing bacterium from Clostridium cluster XIVa isolated from broiler chicken caecal content, and emended description of the genus Anaerostipes. Int J Syst Evol Microbiol 2010; 60:1108-1112.

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Record number: 788539