Escherichia coli. Escherichia coli . Named for Theodor Escherich a German physician (1885) Normal flora of the mouth and intestine. Protects the intestinal tract from bacterial infection. Produces small amounts of vitamins B 12 and K
It in turn causes increased cyclic AMP which causes outflow of chloride ions and water, resulting in diarrhea.
Causes Hemorrhagic Colitis and Hemolytic-Uremic Syndrome.
E. coil is the most common cause of cystitis and pyelonephritis. Women are particularly at risk for infection.
Detection from stool is difficult but easier from specimens like CSF and urine