Name: Peptostreptococcus indolicus (Christiansen 1934) Ezaki et al. 1983

Category: Species

Proposed as: comb. nov.

Basonym: "Micrococcus indolicus" Christiansen 1934

Etymology: in.dol’i.cus. N.L. neut. n. indolum, indol; L. masc. adj. suff. -icus, suffix used with the sense of pertaining to; N.L. masc. adj. indolicus, pertaining to indole, referring 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, Yamamoto N, Ninomiya K, Suzuki S, Yabuuchi E. Transfer of Peptococcus indolicus, Peptococcus asaccharolyticus, Peptococcus prevotii, and Peptococcus magnus to the genus Peptostreptococcus and proposal of Peptostreptococcus tetradius sp. nov. Int. J. Syst. Bacteriol. 1983; 33:683-698.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

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

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
    Peptococcus indolicus (Christiansen 1934) Sorensen 1975 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Peptoniphilus indolicus (Christiansen 1934) Ezaki et al. 2001	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Peptostreptococcus indolicus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Peptostreptococcus.
  • 😷 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PV". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t".
  • 🎓 Name mentioned 14 times in PubMed until 2024-03-27.

Parent taxon: Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980)

Assigned by: Ezaki T, Yamamoto N, Ninomiya K, Suzuki S, Yabuuchi E. Transfer of Peptococcus indolicus, Peptococcus asaccharolyticus, Peptococcus prevotii, and Peptococcus magnus to the genus Peptostreptococcus and proposal of Peptostreptococcus tetradius sp. nov. Int. J. Syst. Bacteriol. 1983; 33:683-698.

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Record number: 779384