Clostridium enterotoxin
InterPro Family
Clostridium enterotoxins are toxins produced by Clostridium species. Clostridial species are one of the major causes of food poisoning/gastrointestinal illnesses. They are anaerobic, gram-positive, spore-forming rods that occur naturally in the soil. Among the family are: Clostridium botulinum, which produces one of the most potent toxins in existence; Clostridium tetani, causative agent of tetanus; and Clostridium perfringens, commonly found in wound infections and diarrhea cases.
The major virulence factor of C. perfringens is the CPE enterotoxin, which is secreted upon invasion of the host gut, and contributes to food poisoning and other gastrointestinal illnesses. It has a molecular weight of 35.3 kDa, and is responsible for the disintegration of tight junctions between epithelial cells in the gut. This mechanism is mediated by host claudin-3 and claudin-4 receptors, situated at the tight junctions.
Clostridium enterotoxin is a nine-stranded beta sheet sandwich in shape. It has been determined that it is very similar to other spore-forming bacteria. The binding site is between beta sheets eight and nine.
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This entry incorporates text from “Clostridium enterotoxin” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.