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Species Actinomyces pyogenes

Name: Actinomyces pyogenes (Glage 1903) Collins and Jones 1983

Category, proposed as: species, comb. nov.

Basonym: "Bacillus pyogenes" Glage 1903

Etymology: py.o’ge.nes. Gr. neut. n. pyon, discharge from a sore, pus; N.L. neut. n. pyum; Gr. suff. -genes, producing; from Gr. ind. v. gennaô, to produce; N.L. masc. part. adj. pyogenes, pus-producing

Pronunciation (Latin), gender: ak-ti-NO-my-kes py-O-ge-nes, masculine

Type strain: ATCC 19411; C-100; CCUG 13230; CIP 103129; DSM 20630; LMG 16162; NCTC 5224

16S rRNA gene: X79225 Analysetree FASTA download

Effective publication: Collins MD, Jones D. Reclassification of Corynebacterium pyogenes (Glage) in the genus Actinomyces, as Actinomyces pyogenes comb.nov. J Gen Microbiol 1982; 128:901-903. 🇬🇧

IJSEM list: Anonymous. Validation list no. 10. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:438-440.

Nomenclatural status: validly published under the ICNP, illegitimate name

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

Correct name: Trueperella pyogenes (Glage 1903) Yassin et al. 2011

Risk group: 2

  • 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 Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 2, note = "ht". — The risk group for Sweden has been imported on 2024-02-05. The full classification is: risk group = 2. — The risk group for Taiwan has been imported on 2024-11-03. The full classification is: risk group = 2, note = "P650 = v". — The risk group for United Kingdom has been imported on 2024-01-31. The full classification is: risk group = 2. — The risk group for United States has been imported on 2024-02-09. 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 182 times in PubMed until 2026-06-11.
    • 🙅 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 species itself.
    • 🧍 Actinomyces pyogenes (Glage 1903) Collins and Jones 1983 is illegitimate because it has no priority. Publication: Reddy CA, Cornell CP, Fraga AM. Transfer of Corynebacterium pyogenes (Glage) Eberson to the genus Actinomyces as Actinomyces pyogenes (Glage) comb. nov. Int. J. Syst. Bacteriol. 1982; 32:419-429.

Parent taxon: Actinomyces Harz 1877 (Approved Lists 1980)

Assigned by: Collins MD, Jones D. Reclassification of Corynebacterium pyogenes (Glage) in the genus Actinomyces, as Actinomyces pyogenes comb.nov. J Gen Microbiol 1982; 128:901-903. 🇬🇧

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.7148Link copied to clipboard

Record number: 7148