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Methods Enzymol. 2009;454:323-43. doi: 10.1016/S0076-6879(08)03813-5.

Mathematical algorithms for high-resolution DNA melting analysis.

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  • 1Department of Mathematics, University of Utah, Salt Lake City, Utah, USA.

Abstract

This chapter discusses mathematical and computational methods that enhance the modeling, optimization, and analysis of high-resolution DNA melting assays. In conjunction with recent improvements in reagents and hardware, these algorithms have enabled new closed-tube techniques for genotyping, mutation scanning, confirming or ruling out genotypic identity among living related organ donors, and quantifying constituents in samples containing different DNA sequences. These methods are rapid, involving only 1 to 10 min of automatic fluorescence acquisition after a polymerase chain reaction. They are economical because inexpensive fluorescent dyes are used rather than fluorescently labeled probes. They are contamination-free and nondestructive. Specific topics include methods for extracting accurate melting curve information from raw signal, for clustering and classifying the results, for predicting complete melting curves and not just melting temperatures, and for modeling and analyzing the behavior of mixtures of multiple duplexes.

PMID:
19216933
DOI:
10.1016/S0076-6879(08)03813-5
[PubMed - indexed for MEDLINE]
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