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Species Actinomyces pyogenes
Name: Actinomyces pyogenes (Glage 1903) Collins and Jones 1983
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, gender: py-O-ge-nes, masculine
Type strain: ATCC 19411; C-100; CCUG 13230; CIP 103129; DSM 20630; LMG 16162; NCTC 5224
Conduct genome-based taxonomy at
16S rRNA gene:
X79225
Analyse
FASTA
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. 
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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
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Synonyms:
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Name Kind Trueperella pyogenes (Glage 1903) Yassin et al. 2011 homotypic synonym, validly published under the ICNP Actinomyces pyogenes (Glage 1903) Reddy et al. 1982 homotypic synonym, validly published under the ICNP Corynebacterium pyogenes (Glage 1903) Eberson 1918 (Approved Lists 1980) homotypic synonym, validly published under the ICNP Arcanobacterium pyogenes (Glage 1903) Pascual Ramos et al. 1997 homotypic synonym, validly published under the ICNP "Bacillus pyogenes" Glage 1903 homotypic synonym, not validly published, basonym of name in Approved Lists
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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 2023-10-29. 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 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 species itself.
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🧍 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://lpsn.dsmz.de/species/actinomyces-pyogenes-1Link copied to clipboard
Record number: 7148
This LPSN page was printed on 2026-01-17 19:42:04