Name: Anaerotignum propionicum (Cardon and Barker 1946) Ueki et al. 2017

Category: Species

Proposed as: comb. nov.

Basonym: Clostridium propionicum Cardon and Barker 1946 (Approved Lists 1980)

Etymology: pro.pi.o’ni.cum. N.L. neut. n. acidum propionicum, propionic acid; N.L. neut. adj. propionicum, pertaining to production of propionic acid

Pronunciation, gender: pro-pi-O-ni-kum, neuter

Type strain: ATCC 25522; CCUG 9280; DSM 1682; JCM 1430; NCIB 10656; NCIMB 10656; VPI 5303

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X77841 Analyse FASTA

Valid publication: Ueki A, Goto K, Ohtaki Y, Kaku N, Ueki K. Description of Anaerotignum aminivorans gen. nov., sp. nov., a strictly anaerobic, amino-acid-decomposing bacterium isolated from a methanogenic reactor, and reclassification of Clostridium propionicum, Clostridium neopropionicum and Clostridium lactatifermentans as species of the genus Anaerotignum. Int J Syst Evol Microbiol 2017; 67:4146-4153.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 10 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3-6.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Clostridium propionicum Cardon and Barker 1946 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    "Tyzzerella propionica" (Cardon and Barker 1946) Yutin and Galperin 2013	homotypic synonym, not validly published

• Notes:
  • 😷 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 8 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: Anaerotignum Ueki et al. 2017

Assigned by: Ueki A, Goto K, Ohtaki Y, Kaku N, Ueki K. Description of Anaerotignum aminivorans gen. nov., sp. nov., a strictly anaerobic, amino-acid-decomposing bacterium isolated from a methanogenic reactor, and reclassification of Clostridium propionicum, Clostridium neopropionicum and Clostridium lactatifermentans as species of the genus Anaerotignum. Int J Syst Evol Microbiol 2017; 67:4146-4153.

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Record number: 796082