Correlating gene expression variation with cis-regulatory polymorphism in Saccharomyces cerevisiae

Kevin Chen, Erik Van Nimwegen, Nikolaus Rajewsky, Mark Siegal

Research output: Contribution to journalArticle

Abstract

Identifying the nucleotides that cause gene expression variation is a critical step in dissecting the genetic basis of complex traits. Here, we focus on polymorphisms that are predicted to alter transcription factor binding sites (TFBSs) in the yeast, Saccharomyces cerevisiae. We assembled a confident set of transcription factor motifs using recent protein binding microarray and ChIP-chip data and used our collection of motifs to predict a comprehensive set of TFBSs across the S. cerevisiae genome. We used a population genomics analysis to show that our predictions are accurate and significantly improve on our previous annotation. Although predicting gene expression from sequence is thought to be difficult in general, we identified a subset of genes for which changes in predicted TFBSs correlate well with expression divergence between yeast strains. Our analysis thus demonstrates both the accuracy of our new TFBS predictions and the feasibility of using simple models of gene regulation to causally link differences in gene expression to variation at individual nucleotides.

Original languageEnglish (US)
Pages (from-to)697-707
Number of pages11
JournalGenome Biology and Evolution
Volume2
Issue number1
DOIs
StatePublished - 2010

Fingerprint

gene expression
Saccharomyces cerevisiae
polymorphism
Transcription Factors
transcription factors
genetic polymorphism
binding sites
Gene Expression
yeast
Binding Sites
gene
prediction
Nucleotides
Yeasts
nucleotides
genomics
yeasts
genome
Metagenomics
divergence

Keywords

  • eQTL
  • Gene expression
  • Population genetics
  • Saccharomyces cerevisiae
  • SNP
  • Transcription factor binding sites
  • Transcription factors

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics

Cite this

Correlating gene expression variation with cis-regulatory polymorphism in Saccharomyces cerevisiae. / Chen, Kevin; Van Nimwegen, Erik; Rajewsky, Nikolaus; Siegal, Mark.

In: Genome Biology and Evolution, Vol. 2, No. 1, 2010, p. 697-707.

Research output: Contribution to journalArticle

Chen, Kevin ; Van Nimwegen, Erik ; Rajewsky, Nikolaus ; Siegal, Mark. / Correlating gene expression variation with cis-regulatory polymorphism in Saccharomyces cerevisiae. In: Genome Biology and Evolution. 2010 ; Vol. 2, No. 1. pp. 697-707.
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