Name: Peptoniphilus ivorii (Murdoch et al. 1997) Ezaki et al. 2001

Category: Species

Proposed as: comb. nov.

Basonym: Peptostreptococcus ivorii Murdoch et al. 1997

Etymology: i.vo’ri.i. N.L. gen. masc. n. ivorii, referring to Ivor

Pronunciation, gender: i-WO-ri-i, masculine

Type strain: ATCC BAA-602; CCUG 38492; CIP 105325; DSM 10022; NCTC 13078; SBH 093

Conduct genome-based taxonomy at

16S rRNA gene: Y07840 Analyse FASTA

Valid publication: Ezaki T, Kawamura Y, Li N, Li ZY, Zhao L, Shu S. Proposal of the genera Anaerococcus gen. nov., Peptoniphilus gen. nov. and Gallicola gen. nov. for members of the genus Peptostreptococcus. Int J Syst Evol Microbiol 2001; 51:1521-1528.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 4 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1621-1623.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Aedoeadaptatus ivorii (Murdoch et al. 1997) Malhotra et al. 2024	homotypic synonym, validly published under the ICNP
    Peptostreptococcus ivorii Murdoch et al. 1997	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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.
  • 🙆 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 species itself.
  • 🧍 According to Rules 27(3) and 30, this name is not validly published because the effective publication only documents deposit of the type strain in a single recognized culture collection. However, according to the Judicial Opinion 81, Peptoniphilus ivorii (Murdoch et al. 1997) Ezaki et al. 2001 is to be considered to be validly published. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.

Parent taxon: Peptoniphilus Ezaki et al. 2001

Assigned by: Ezaki T, Kawamura Y, Li N, Li ZY, Zhao L, Shu S. Proposal of the genera Anaerococcus gen. nov., Peptoniphilus gen. nov. and Gallicola gen. nov. for members of the genus Peptostreptococcus. Int J Syst Evol Microbiol 2001; 51:1521-1528.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/peptoniphilus-ivoriiCopy to clipboardLink copied to clipboard

Record number: 779376