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Reducing chimera formation during PCR amplification to ensure accurate genotyping

Smyth, R.P., Schlub, T.E., Grimm, A., Venturi, V., Chopra, A., Mallal, S., Davenport, M.P. and Mak, J. (2010) Reducing chimera formation during PCR amplification to ensure accurate genotyping. Gene, 469 (1-2). pp. 45-51.

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Measurements of population diversity are fundamental to the reconstruction of the evolutionary and epidemiological history of organisms. Commonly used protocols to measure population diversity using the polymerase chain reaction (PCR) are prone to the introduction of artificial chimeras. These are often difficult to detect and can confound the correct interpretation of results due to the false generation of recombinants when the underlying DNA sample contains multiple distinct templates. This study presents a standardised procedure to suppress the formation of artificial chimeras during PCR amplification. The solution is based on the accurate determination of the efficiency and end point of the log-linear phase of a PCR. This procedure will facilitate the generation of data sets that more accurately reflect the underlying population diversity rather than artifacts introduced by the process itself.

Item Type: Journal Article
Murdoch Affiliation(s): Centre for Clinical Immunology and Biomedical Statistics
Publisher: Elsevier BV
Copyright: © 2010 Elsevier B.V.
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