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Activity Number: 520
Type: Contributed
Date/Time: Thursday, August 7, 2008 : 10:30 AM to 12:20 PM
Sponsor: Biometrics Section
Abstract - #302479
Title: Normalizing and Peak Finding for Tiling Microarrays with Application in Epigenomics
Author(s): W. Evan Johnson*+
Companies: Brigham Young University
Address: Department of Statistics, Provo, UT, 84602,
Keywords: tiling microarray ; epigenomics ; normalization
Abstract:

This talk will present a novel G-C based algorithm for normalizing two-color tiling microarray data. This method is very flexible and ideal for removing outliers in data caused by differences in the binding affinity of microarray probes. Additionally, a method high-level analysis method is presented to identify interesting genomic features. The method has been shown to be very sensitive and can therefore detect regions with only slight differences between the arrays. An application from epigenomics is given based on the DNA methylation pattern in model organism.


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Revised September, 2008