2/16/2016 Summary Summary C.perfringens is an anaerobic spore- The cpe gene encodes the enterotoxin forming bacterium commonly found on The cpe gene is located chromosomally proteinaceous foods in toxicoinfectious isolates but on Toxin is released as a paracrystalline plasmids of isolates not associated with protein when vegetative cells release foods their spores in the gut Victims with toxicoinfections with C. Improper heating or cooling is the major perfringens usually only suffer diarrhea cause of C.perfringens typeA and severe abdominal cramps toxicoinfection2/16/2016 9 Summary • C. perfringens is an anaerobic spore￾f i b t i l f d forming bac terium commonly found on proteinaceous foods • Toxin is released as a paracrystalline protein when vegetative cells release the r spores n the gut ir spores in the gut • Improper heating or cooling is the major cause of C. perfringens typeA toxicoinfection Summary • The cpe gene encodes the enterotoxin • The cpe gene is located chromosomally in toxicoinfectious isolates but on plasmids of isolates not associated with foods • Victims with toxicoinfections with C . perfringens usually only suffer diarrhea and severe abdominal cramps