Name: Peptoniphilus indolicus (Christiansen 1934) Ezaki et al. 2001

Category: Species

Proposed as: comb. nov.

Basonym: "Micrococcus indolicus" Christiansen 1934

Etymology: in.dol’i.cus. N.L. masc. adj. indolicus, pertaining to the ability of the organism to produce indole

Gender: masculine

Type strain: ATCC 29427; CCUG 17639; CCUG 46591; DSM 20464; NCTC 11088

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D14147 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

Risk group: 2

• Synonyms:

  • Name	Kind
    "Schleiferella indolica" (Christiansen 1934) Rajendram et al. 2001	homotypic synonym, not validly published
    "Micrococcus indolicus" Christiansen 1934	homotypic synonym, not validly published, basonym of name in Approved Lists
    Peptostreptococcus indolicus (Christiansen 1934) Ezaki et al. 1983	homotypic synonym, validly published under the ICNP
    Peptococcus indolicus (Christiansen 1934) Sorensen 1975 (Approved Lists 1980)	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 and animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - 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, note = "t".
  • 🎓 Name mentioned 11 times in PubMed until 2024-03-28.
  • 🧍 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 indolicus (Christiansen 1934) 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.

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Record number: 779375