"methylumbelliferyl" - 1 õppematerjal

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teristics and pathogenicity. Unlike most E. Escherichia coli coli, this serotype does not ferment sorbitol Escherichia coli is one of the most common within 24 hours, does not possess beta- bacteria in our environment. Most people do glucuronidase activity, and does not have the 494 Chapter 28 ability to hydrolyze 4-methylumbelliferyl- attaching to the epitheleal cells before E. coli beta-D-glucuronide (MUG), which is an O157 : H7 can have a chance to interact with important diagnostic characteristic of most them. Much research on this organism is other E. coli strains. Because of these differ- being conducted around the world. In 2002, ences in routine microbiological manipula- there were 84 outbreaks, 3,260 cases, and tions, E