Respuesta :
Most Shiga-toxin-producing Escherichia coli (STEC) strains implicated in severe diseases such as hemolytic uremic syndrome (HUS) carry the large enterohemolysin-encoding (ehxA) plasmid. B. pO157 and pO103 contributing to the clinical presentation of STEC.
What is Shiga Toxin?
The toxin is named after Kiyoshi Shiga, who first described the bacterial origin of dysentery caused by Shigella dysenteriae. Shiga toxin (Stx) is a protein exotoxin expressed by the Gram-negative bacterium Shigella dysenteriae serotype 1.
You can get STEC by eating products that are contaminated with the bacteria. The bacteria live in the intestines of healthy cows and can contaminate meat during slaughter. Infection is most commonly caused by consumption of contaminated food, especially raw or undercooked meat. occurs by
Shiga toxins are a family of related toxins with two major groups, Stx1 and Stx2, expressed by genes that are thought to be part of the lambdoid prophage genome.
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