Mechanism of action of cholera toxin is through:
Gangliosides
Adenyl cyclase
Gangliosides + adenyl cyclase
Exotoxin
Cholera enterotoxin Light toxin: binds with ganglioside in epithelial cell membrane Heavy toxin: activates adenyl cyclase in epithelial cell wall which increase cAMP, leading to outpouring of isotonic fluid in lumen of intestine
Systemic Bacteriology (Haemophilus, Yersinia, Spirochaetes, Ricketssia, Chlamydia, Mycoplasma and Miscellaneous Bacteria)