Vibrio Flashcards
1
Q
2 main infection by vibrio cholera
A
- cholera
2. gastroenteritis
2
Q
virulense factor of cholera
A
- wide range of PH
- polar flagella - motile
- pili- attachment
- LPS lipid a endotoxin
3
Q
cholera toxin? receptor?
A
- cholera toxin AB binds to GM1 gangliosider receptor (b)
- toxin A catalysis 9 DP of Gs
- cAMP increases
- cAMP causes hypersecretion of electrolytes
4
Q
epidemic
A
infectious disease spread rapidly
5
Q
pandemic
A
global disease outbreak
happens during natural disasters
6
Q
how does V cholera adhere to mucosal cell
A
- toxin co regulase pilus by tep complex
2. chemotaxis proteins encoded by cep genes
7
Q
how many pandemics cholera causes
A
7 since 1816
8
Q
resovoir of cholera
A
man and water
spreads thru ingestion o contaminant water and food
9
Q
vibrio parhaemolyticus casues
A
bacteril and seasfood gasteritis
10
Q
V vulnificis causes
A
septesemia
wound infection
11
Q
aeromonas causes
A
- diarrhea disease
- wound infection
- opportunistic systemic disease