DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY
Conceptual computer illustration of E.coli bacteria being cultured in a Petri dish. Escherichia coli has the ability to ferment carbohydrates, usually with the production of gas and is found in the intestines of man and many animals. This bacterium is usually not harmful but under certain conditions may cause infections of the urinogenital tract and diarrhoea in children. It is probably one of the best studied bacteria and it is widely used in bacteriological and genetic experiments.
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