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A rapid, sensitive and specific analysis of food samples determining wheat contamination was established using polymerase chain reaction (PCR) technology. First, primers specific for highly conserved(More)
The polymerase chain reaction (PCR) was used to amplify DNA sequences from the malB operon of Escherichia coli. All E. coli strains tested yielded the specific DNA fragment. No amplification products(More)
The polymerase chain reaction was used to obtain randomly-amplified polymorphic DNA (RAPD) profiles from Listeria spp. and enterobacteria. Eleven different oligonucleotides were evaluated. Only one,(More)
A method which employs the polymerase chain reaction (PCR) to identify Escherichia coli strains containing the estA gene was developed. This gene codes for heat-stable enterotoxin type I. The use of(More)