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Process for controlling contamination of nucleic acid amplification reactions

  • US 5,035,996 A
  • Filed: 06/01/1989
  • Issued: 07/30/1991
  • Est. Priority Date: 06/01/1989
  • Status: Expired due to Term
First Claim
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1. A method for controlling contamination in sequential nucleic acid amplification processes comprising first and second nucleic acid amplification processes to amplify nucleic acid sequences in a first and a second sample, respectively, which comprises:

  • carrying out said first nucleic acid amplification process on said nucleic acid sequence in said first sample in the presence of deoxyuridine triphosphate, to thereby generate a deoxyuracil-containing product of amplification; and

    treating said deoxyuracil-containing product of amplification with uracil DNA glycosylase prior to carrying out said second amplification process on said nucleic acid sequence in said second sample.

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