PCR and DNA sequencing.

  • 1 July 1989
    • journal article
    • review article
    • Vol. 7  (7) , 700-8
Abstract
Specific DNA segments defined by the sequence of two oligonucleotides can be enzymatically amplified up to a millionfold using the polymerase chain reaction (PCR). One of the most significant uses of this technique is for generation of sequencing templates, either from cloned inserts or directly from genomic DNA. To avoid the problem of reassociation of the linear DNA strands in the sequencing reaction, ssDNA templates can be produced directly in the PCR or generated directly from dsDNA by enzymatic treatment, electrophoretic separation or affinity purification. By combining PCR with direct sequencing, both the amplification and the sequencing reaction can be performed in the same vial. Finally, use of fluorescently labeled terminators or sequencing primers will allow the whole procedure to be amenable to complete automation.

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