E Coli – Escherichia coli

Escherichia coli is a Gram-negative, rod-shaped bacterium that is commonly found in the lower intestine of warm-blooded organisms (endotherms).  Most E. coli strains are harmless, but some serotypes can cause serious food poisoning in humans, and are occasionally responsible for people making product recalls.  The harmless strains are part of the normal flora of the gut, and can benefit their hosts by producing vitamin K2, and by preventing the establishment of pathogenic bacteria within the intestine.


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