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To distinguish between Escherichia coli and other bacteria that have similar biochemical characteristics, 3 polymerase chain reaction techniques were combined. The primer sets cydA-F2-A2 and cydA-R2-A2 were designed to amplify 605 base pairs of nucleotide sequence specific for the cydA gene of Escherichia coli; primer sets lacZ-F-A and lacZ-R-A to amplify 1,023 bp of nucleotide sequence specific for...
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