Universal, robust, highly quantitative SNP allele frequency measurement in DNA pools

Nadine Norton, Nigel M. Williams, Hywel J. Williams, Gillian Spurlock, George Kirov, Derek W. Morris, Bastiaan Hoogendoorn, Michael J. Owen, Michael C. O'Donovan

Research output: Contribution to journalArticle

150 Citations (Scopus)

Abstract

Detecting alleles that confer small increments in susceptibility to disease will require large-scale allelic association studies of single-nucleotide polymorphisms (SNPs) in candidate, or positional candidate, genes. However, current genotyping technologies are one to two orders of magnitude too expensive to permit the analysis of thousands of SNPs in large samples. We have developed and thoroughly validated a highly accurate protocol for SNP allele frequency estimation in DNA pools based upon the SNaPshot (Applied Biosystems) chemistry adaptation of primer extension. Using this assay, we were able to estimate the difference in allele frequencies between pooled cases and controls (Δ) with a mean error of 0.01. Moreover, when we genotyped seven different SNPs in a single multiplex reaction, the results were similar, with a mean error for Δ of 0.008. The assay performed well for alleles of low frequency alleles (f∼0.05) and was accurate even with relatively poor quality DNA template extracted from mouthwashes. Our assay conditions are generalisable, universal, robust and, therefore, for the first time, permit high-throughput association analysis at a realistic cost.

Original languageEnglish (US)
Pages (from-to)471-478
Number of pages8
JournalHuman Genetics
Volume110
Issue number5
DOIs
StatePublished - May 2002
Externally publishedYes

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Gene Frequency
Single Nucleotide Polymorphism
DNA
Alleles
Mouthwashes
Disease Susceptibility
Technology
Costs and Cost Analysis
Genes

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Norton, N., Williams, N. M., Williams, H. J., Spurlock, G., Kirov, G., Morris, D. W., ... O'Donovan, M. C. (2002). Universal, robust, highly quantitative SNP allele frequency measurement in DNA pools. Human Genetics, 110(5), 471-478. https://doi.org/10.1007/s00439-002-0706-6

Universal, robust, highly quantitative SNP allele frequency measurement in DNA pools. / Norton, Nadine; Williams, Nigel M.; Williams, Hywel J.; Spurlock, Gillian; Kirov, George; Morris, Derek W.; Hoogendoorn, Bastiaan; Owen, Michael J.; O'Donovan, Michael C.

In: Human Genetics, Vol. 110, No. 5, 05.2002, p. 471-478.

Research output: Contribution to journalArticle

Norton, N, Williams, NM, Williams, HJ, Spurlock, G, Kirov, G, Morris, DW, Hoogendoorn, B, Owen, MJ & O'Donovan, MC 2002, 'Universal, robust, highly quantitative SNP allele frequency measurement in DNA pools', Human Genetics, vol. 110, no. 5, pp. 471-478. https://doi.org/10.1007/s00439-002-0706-6
Norton, Nadine ; Williams, Nigel M. ; Williams, Hywel J. ; Spurlock, Gillian ; Kirov, George ; Morris, Derek W. ; Hoogendoorn, Bastiaan ; Owen, Michael J. ; O'Donovan, Michael C. / Universal, robust, highly quantitative SNP allele frequency measurement in DNA pools. In: Human Genetics. 2002 ; Vol. 110, No. 5. pp. 471-478.
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