A2B5 toxin is a type of bacterial exotoxin composed of two active (A) subunits and five binding (B) subunits. It is primarily involved in the disruption of gastrointestinal functions, leading to symptoms such as diarrhea and vomiting.
Enterotoxin: A toxin produced in or affecting the intestines, such as those causing food poisoning or cholera.
Exotoxin: Toxins secreted by bacteria into their surroundings, which can cause damage to host tissues.
Cholera Toxin: An example of an A2B5 toxin produced by Vibrio cholerae that causes severe diarrhea.