Gastro: Virulence Flashcards Preview

MIIM20002 - Microbes, Infections, Responses > Gastro: Virulence > Flashcards

Flashcards in Gastro: Virulence Deck (18):
1

Staph. aureus

Heat stable enterotoxin

2

Bacillus cereus; emetic

Cereulide peptide
(Heat stable toxin)

3

Bacillus cereus; diarrhoeal

Haemolysin
(Heat labile enterotoxin)

4

Clostridium perfringens

Heat labile enterotoxin

5

Vibrio cholerae

Colonisation:
• Tcp
Toxin:
• Cholera toxin

6

EHEC

Colonisation:
• Tir + Intimin
• Type III SS
Toxin:
• Shiga toxin

7

ETEC

Colonisation:
• CFA
Toxin:
• ST
• LT

8

EPEC

Colonisation:
• Bfp
Toxin:
• none

9

Shigella

Colonisation:
• Type III SS
• Ipa
• IcsA
Toxin:
• Shiga toxin

10

Salmonella

Colonisation:
• Sip
• Type III SS
Toxin:
• Ssa

11

Campylobacter

Colonisation:
• ?
Toxin:
• ? Cytolytic endotoxin

12

Yersinia enterocolytica

Colonisation:
• Type III SS
• Yop
Toxin:
• Yop

13

Vibrio parahaemolyticus

Colonisation:
• ?
Toxin:
• ? no toxin

14

Giardia lamblia

Colonisation:
• ventral sucking disc
Toxin:
• none

Virulence:
• malabsorption due to colonisation

15

Entamoeba histolytica

Colonisation:
• digalatose + surface lectin
Toxin:
• preformed toxin (forms pores)

Virulence:
toxin forms pores

16

Cryptosporidium

Colonisation:
• glycoproteins + lectins
Toxin:
• ?

17

Rotavirus

Colonisation:
• outer capsid protein spikes
Toxin:
• enterotoxin

Virulence:
• villus blunting

18

Norovirus

Colonisation:
• histo blood group antigens
Toxin:
• ?

Virulence
• villus blunting