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*Grow on MacConkey agar (in presence of bile salts)
*Grow on MacConkey agar (in presence of bile salts)
*Reduce nitrates to nitrits and ferment glucose to produce acid and gas
*Reduce nitrates to nitrits and ferment glucose to produce acid and gas
*Possess a lipolysaccharide O antigen, a flagellate H antigen, polysaccharide K antigens and fimbrial F antigens
*Epidemiological typing of ''E. coli'' uses antigen combinations, eg. O125:K12:H42