Arcanobacterium pyogenes

**Semantic type:** Bacterium

**Definition:** A species of facultatively anaerobic, Gram positive bacteria assigned to the phylum Actinobacteria. This bacteria is catalase and oxidase negative, ferments lactose, produces the exotoxin Pyolysin O and neuraminidases and is hemolytic. A. pyogenes is a commensal organism of the mucous membranes of domestic animals and may become pathogenic in cases of trauma and immunosuppression.

**Synonyms:** - Actinomyces pyogenes - Actinomyces pyogenes - Corynebacterium pyogenes - Corynebacterium pyogenes - TRUEPERELLA PYOGENES - Trueperella pyogenes