Name: Thermoactinomyces peptonophilus Nonomura and Ohara 1971 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: pep.to.no’phi.lus. Gr. masc. adj. peptos, cooked; N.L. masc. adj. suff. -philus, loving; from Gr. masc. adj. philos, on; N.L. masc. adj. peptonophilus, peptone loving

Pronunciation (Latin), gender: … pep-to-NO-p^hi-lus, masculine

Type strain: ATCC 27302; DSM 44666; JCM 10113; KCTC 9740

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF138735 Analyse FASTA

Effective publication: Nonomura H, Ohara Y. Distribution of actinomycetes in soil. X. New genus and species of monosporic actinomycetes in soil. Journal of Fermentation Technology 1971; 49:895-903.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Seinonella peptonophila (Nonomura and Ohara 1971) Yoon et al. 2005

Risk group: 1

• Synonyms:

  • Name	Kind
    Seinonella peptonophila (Nonomura and Ohara 1971) Yoon et al. 2005	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Thermoactinomyces peptonophilus 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 Thermoactinomyces.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 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 2 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Thermoactinomyces Tsiklinsky 1899 (Approved Lists 1980)

Assigned by: Nonomura H, Ohara Y. Distribution of actinomycetes in soil. X. New genus and species of monosporic actinomycetes in soil. Journal of Fermentation Technology 1971; 49:895-903.

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Record number: 782490