Quantitative Analysis of Single Nucleotide Polymorphisms within Copy Number Variation


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Show simple item record Lee, Soohyun en_US Kasif, Simon en_US Weng, Zhiping en_US Cantor, Charles R. en_US 2012-01-11T00:42:53Z 2012-01-11T00:42:53Z 2008-12-18 en_US
dc.identifier.citation Lee, Soohyun, Simon Kasif, Zhiping Weng, Charles R. Cantor. "Quantitative Analysis of Single Nucleotide Polymorphisms within Copy Number Variation" PLoS ONE 3(12): e3906. (2008) en_US
dc.identifier.issn 1932-6203 en_US
dc.description.abstract BACKGROUND. Single nucleotide polymorphisms (SNPs) have been used extensively in genetics and epidemiology studies. Traditionally, SNPs that did not pass the Hardy-Weinberg equilibrium (HWE) test were excluded from these analyses. Many investigators have addressed possible causes for departure from HWE, including genotyping errors, population admixture and segmental duplication. Recent large-scale surveys have revealed abundant structural variations in the human genome, including copy number variations (CNVs). This suggests that a significant number of SNPs must be within these regions, which may cause deviation from HWE. RESULTS. We performed a Bayesian analysis on the potential effect of copy number variation, segmental duplication and genotyping errors on the behavior of SNPs. Our results suggest that copy number variation is a major factor of HWE violation for SNPs with a small minor allele frequency, when the sample size is large and the genotyping error rate is 0~1%. CONCLUSIONS. Our study provides the posterior probability that a SNP falls in a CNV or a segmental duplication, given the observed allele frequency of the SNP, sample size and the significance level of HWE testing. en_US
dc.description.sponsorship R01 GM080625 & Sequenom Support en_US
dc.language.iso en en_US
dc.publisher Public Library of Science en_US
dc.title Quantitative Analysis of Single Nucleotide Polymorphisms within Copy Number Variation en_US
dc.type article en_US
dc.identifier.doi 10.1371/journal.pone.0003906 en_US
dc.identifier.pubmedid 19093001 en_US
dc.identifier.pmcid 2600609 en_US

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