Name: Butyrivibrio hungatei Kopecný et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: hun.ga’te.i. N.L. gen. masc. n. hungatei, named after Robert E. Hungate, an American microbiologist, who isolated similar strains in the 1960s

Pronunciation, gender: hun-GA-te-i, masculine

Type strain: ATCC BAA-456; DSM 14810; JK 615

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ428553 Analyse FASTA

Valid publication: Kopecny J, Zorec M, Mrazek J, Kobayashi Y, Marinsek-Logar R. Butyrivibrio hungatei sp. nov. and Pseudobutyrivibrio xylanivorans sp. nov., butyrate-producing bacteria from the rumen. Int J Syst Evol Microbiol 2003; 53:201-209.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 1 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:629-630.

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 14 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: Butyrivibrio Bryant and Small 1956 (Approved Lists 1980)

Assigned by: Kopecny J, Zorec M, Mrazek J, Kobayashi Y, Marinsek-Logar R. Butyrivibrio hungatei sp. nov. and Pseudobutyrivibrio xylanivorans sp. nov., butyrate-producing bacteria from the rumen. Int J Syst Evol Microbiol 2003; 53:201-209.

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Record number: 774325