Name: Arcanobacterium pyogenes (Glage 1903) Pascual Ramos et al. 1997

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus pyogenes" Glage 1903

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

Gender: neuter

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

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X79225 Analyse FASTA

Valid publication: Ramos CP, Foster G, Collins MD. Phylogenetic analysis of the genus Actinomyces based on 16S rRNA gene sequences: description of Arcanobacterium phocae sp. nov., Arcanobacterium bernardiae comb. nov., and Arcanobacterium pyogenes comb. nov. Int J Syst Bacteriol 1997; 47:46-53.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 1 of the IJSB. Int J Syst Bacteriol 1997; 47:603.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

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

Risk group: 2

• Synonyms:

  • Name	Kind
    Actinomyces pyogenes (Glage 1903) Reddy et al. 1982	homotypic synonym, validly published under the ICNP
    Actinomyces pyogenes (Glage 1903) Collins and Jones 1983	homotypic synonym, validly published under the ICNP, illegitimate name
    "Bacillus pyogenes" Glage 1903	homotypic synonym, not validly published, basonym of name in Approved Lists
    Trueperella pyogenes (Glage 1903) Yassin et al. 2011	homotypic synonym, validly published under the ICNP
    Corynebacterium pyogenes (Glage 1903) Eberson 1918 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Arcanobacterium pyogenes 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 Arcanobacterium.
  • 😷 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 = 2, 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. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "ht".
  • 🎓 Name mentioned 194 times in PubMed until 2024-03-28.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.

Parent taxon: Arcanobacterium Collins et al. 1983

Assigned by: Ramos CP, Foster G, Collins MD. Phylogenetic analysis of the genus Actinomyces based on 16S rRNA gene sequences: description of Arcanobacterium phocae sp. nov., Arcanobacterium bernardiae comb. nov., and Arcanobacterium pyogenes comb. nov. Int J Syst Bacteriol 1997; 47:46-53.

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Record number: 773358