Abstract
Polymerase chain reaction (PCR) optimization and troubleshooting can consume considerable energy and resources because of the finicky and often unpredictable nature of the reactions. Small variations in any of the many variables in a given reaction can have a pronounced effect on the resultant amplicon profile. Reactions that are too stringent yield negligible product and reactions that are not stringent enough yield artifactual amplicons. Variables include concentrations of Mg2+, H+, dNTPs, primers, and template, as well as cycling parameters. With regard to the latter, the value selected for the annealing temperatures is most critical. Unfortunately, even with the most sophisticated algorithms (i.e., OLIGO) it is often difficult to predict the amplification optima a priori leaving no other choice but to employ empirical determination.
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© 1997 Humana Press Inc.
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Roux, K.H., Hecker, K.H. (1997). One-Step Optimization Using Touchdown and Stepdown PCR. In: White, B.A. (eds) PCR Cloning Protocols. Methods in Molecular Biology™, vol 67. Humana Press, Totowa, NJ. https://doi.org/10.1385/0-89603-483-6:39
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DOI: https://doi.org/10.1385/0-89603-483-6:39
Publisher Name: Humana Press, Totowa, NJ
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