Name: Thermoactinomyces candidus Kurup et al. 1975 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: can’di.dus. L. masc. adj. candidus, white

Pronunciation, gender: KAN-di-dus, masculine

Type strain: ATCC 27868; CCUG 9288; JCM 3180; JCM 3220; KCTC 9557; NRRL B-8109

16S rRNA gene: AF138732 Analyse FASTA

Effective publication: Kurup VP, Barboriak JJ, Fink JN, Lechevalier MP. Thermoactinomyces candidus, a new species of thermophilic actinomycetes. International Journal of Systematic Bacteriology 1975; 25:150-154.

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: Thermoactinomyces vulgaris Tsiklinsky 1899 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    Thermoactinomyces vulgaris Tsiklinsky 1899 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Yoon et al. (2000), this species is a later heterotypic synonym of Thermoactinomyces vulgaris Tsiklinsky 1899 (Approved Lists 1980). Publication: Yoon JH, Shin YK, Park YH. DNA-DNA relatedness among Thermoactinomyces species: Thermoactinomyces candidus as a synonym of Thermoactinomyces vulgaris and Thermoactinomyces thalpophilus as a synonym of Thermoactinomyces sacchari. Int J Syst Evol Microbiol 2000; 50:1905-1908.
  • ❗ Thermoactinomyces candidus 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, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 18 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: Kurup VP, Barboriak JJ, Fink JN, Lechevalier MP. Thermoactinomyces candidus, a new species of thermophilic actinomycetes. International Journal of Systematic Bacteriology 1975; 25:150-154.

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Record number: 782486