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Optimization and Reproducibility of Random Amplified Polymorphic DNA in Human

✍ Scribed by T. Benter; S. Papadopoulos; M. Pape; M. Manns; H. Poliwoda

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
927 KB
Volume
230
Category
Article
ISSN
0003-2697

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✦ Synopsis

In this work, we have optimized random amplified polymorphic DNA (RAPD) for the use of human DNA in altering the concentration of the reaction components and the steps of the thermal profile in the polymerase chain reaction. By using two primers in every reaction and 2.5 U Taq DNA polymerase, we found that DNA concentrations between 50 and 500 ng gave reproducible banding patterns. The tested DNA was extracted in seven different ways giving the same amplification results in six of them. We have also observed that reactions consisting of 35 cycles gave sufficient product yields. A slow heating/ramping from the annealing to the extension temperature increased the number of amplified bands and enhanced reproducibility. We conclude that RAPD is a robust and, under the mentioned conditions, reproducible method that could prove very useful for scientists and physicians.

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