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PLoS One. 2008 Jul 16;3(7):e2693. doi: 10.1371/journal.pone.0002693.

High throughput automated allele frequency estimation by pyrosequencing.

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  • 1The Parkinson's Institute, Sunnyvale, California, United States of America.

Abstract

Pyrosequencing is a DNA sequencing method based on the principle of sequencing-by-synthesis and pyrophosphate detection through a series of enzymatic reactions. This bioluminometric, real-time DNA sequencing technique offers unique applications that are cost-effective and user-friendly. In this study, we have combined a number of methods to develop an accurate, robust and cost efficient method to determine allele frequencies in large populations for association studies. The assay offers the advantage of minimal systemic sampling errors, uses a general biotin amplification approach, and replaces dTTP for dATP-apha-thio to avoid non-uniform higher peaks in order to increase accuracy. We demonstrate that this newly developed assay is a robust, cost-effective, accurate and reproducible approach for large-scale genotyping of DNA pools. We also discuss potential improvements of the software for more accurate allele frequency analysis.

PMID:
18628978
[PubMed - indexed for MEDLINE]
PMCID:
PMC2442187
Free PMC Article
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