E Coli E Coli under the microscope at 400x E Coli (Escherichia Coli) is a gramnegative, rodshaped bacterium Most E Coli strains are harmless, but some serotypes can cause food poisoning in their hosts The harmless strains are part of the normal flora of the gut Learn more about E Coli here Helicobacter PyloriE coli (Escherichia coli), is a type of bacteria that normally lives in your intestines It's also found in the gut of some animals Most types of E coli are harmless and even help keep your digestive tract healthy But some strains can cause diarrhea if you eat contaminated food or drink fouled waterEscherichia coli is a bacterium that naturally lives in the intestines of healthy animals and humans, however, there are strains of E coli, specifically O157H7, that cause food poisoning Feces can contaminate food with E coli through runoff and improper sterilization Water, raw vegetables, undercooked ground beef, and unpasteurized milk 3d Escherichia Coli E Coli Cells Or Bacteria Un...