Gastro: Virulence Flashcards
Staph. aureus
Heat stable enterotoxin
Bacillus cereus; emetic
Cereulide peptide
Heat stable toxin
Bacillus cereus; diarrhoeal
Haemolysin
Heat labile enterotoxin
Clostridium perfringens
Heat labile enterotoxin
Vibrio cholerae
Colonisation:
• Tcp
Toxin:
• Cholera toxin
EHEC
Colonisation: • Tir + Intimin • Type III SS Toxin: • Shiga toxin
ETEC
Colonisation: • CFA Toxin: • ST • LT
EPEC
Colonisation:
• Bfp
Toxin:
• none
Shigella
Colonisation: • Type III SS • Ipa • IcsA Toxin: • Shiga toxin
Salmonella
Colonisation: • Sip • Type III SS Toxin: • Ssa
Campylobacter
Colonisation:
• ?
Toxin:
• ? Cytolytic endotoxin
Yersinia enterocolytica
Colonisation: • Type III SS • Yop Toxin: • Yop
Vibrio parahaemolyticus
Colonisation:
• ?
Toxin:
• ? no toxin
Giardia lamblia
Colonisation:
• ventral sucking disc
Toxin:
• none
Virulence:
• malabsorption due to colonisation
Entamoeba histolytica
Colonisation:
• digalatose + surface lectin
Toxin:
• preformed toxin (forms pores)
Virulence:
toxin forms pores