The genome landscape of ERα- and ERβ-binding DNA regions

Yawen Liu, Hui Gao, Troels Torben Marstrand, Anders Ström, Eivind Valen, Albin Sandelin, Jan Åke Gustafsson, Karin Dahlman-Wright

Research output: Contribution to journalArticle

80 Scopus citations

Abstract

In this article, we have applied the ChIP-on-chip approach to pursue a large scale identification of ERα- and ERβ-binding DNA regions in intact chromatin. We show that there is a high degree of overlap between the regions identified as bound by ERα and ERβ, respectively, but there are also regions that are bound by ERα only in the presence of ERβ, as well as regions that are selectively bound by either receptor. Analysis of bound regions shows that regions bound by ERα have distinct properties in terms of genome landscape, sequence features, and conservation compared with regions that are bound by ERβ. ERβ-bound regions are, as a group, located more closely to transcription start sites. ERα- and ERβ-bound regions differ in sequence properties, with ERα-bound regions having an overrepresentation of TA-rich motifs including forkhead binding sites and ERβ-bound regions having a predominance of classical estrogen response elements (EREs) and GC-rich motifs. Differences in the properties of ER bound regions might explain some of the differences in gene expression programs and physiological effects shown by the respective estrogen receptors.

Original languageEnglish (US)
Pages (from-to)2604-2609
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume105
Issue number7
DOIs
StatePublished - Feb 19 2008

Keywords

  • Bioinformatics
  • Estrogen response elements
  • Estrogen signaling
  • Gene expression
  • Nuclear receptors

ASJC Scopus subject areas

  • Genetics
  • General

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