Cited by 365Epigenetics and DNA MethylationGenomics and Chromatin DynamicsCancer-related gene regulation

Methylation-Dependent and -Independent Genomic Targeting Principles of the MBD Protein Family

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Baubec, Tuncay, Ivánek, Robert, Lienert, Florian, Schübeler, Dirk·2013·Cell

Abstract

To gain insight into the cellular readout of DNA methylation, we established a strategy for systematically profiling the genome-wide distribution of chromatin-interacting factors. This enabled us to create genomic maps for the methyl-CpG-binding domain (MBD) family of proteins, including disease-relevant mutants, deletions, and isoforms. In vivo binding of MBD proteins occurs predominantly as a linear function of local methylation density, requiring functional MBD domains and methyl-CPGs. This interaction directs specificity of MBD proteins to methylated, CpG-dense, and inactive regulatory regions. In contrast, binding to unmethylated sites varies between MBD proteins and is mediated via alternative domains or protein-protein interactions. Such targeting is exemplified by NuRD-complex-mediated tethering of MBD2 to a subset of unmethylated, active regulatory regions. Interestingly, MBD3 also occupies these sites, but like MBD2, binding is independent of the presence of hydroxymethylation. These functional binding maps reveal methylation-dependent and -independent binding modes and revise current models of DNA methylation readout through MBD proteins.

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Crossref · 10.1016/j.cell.2013.03.011

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Authors
Baubec, T., Ivánek, R., Lienert, F., & Schübeler, D.
Affiliations
  • Friedrich Miescher Institute (CH)
  • University of Basel (CH)
Corresponding author
Schübeler, Dirk
Venue
Cell
Publisher
Elsevier BV
Published
2013-04
Volume
153
Issue
2
Pages
480-492
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2030513330
Cited by
365
References
58
Citations by year
2026: 16 · 2025: 21 · 2024: 21 · 2023: 17 · 2022: 24 · 2021: 29 · 2020: 19 · 2019: 27 · 2018: 27 · 2017: 34 · 2016: 38 · 2015: 37 · 2014: 41 · 2013: 14
FWCI
19.39
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cancer-related gene regulation
Keywords
methyl-CpG binding domain proteins, MBD2, MBD3, NuRD complex, hydroxymethylation, protein-protein interaction
MeSH terms
Amino Acid Sequence, Animals, Biotin, Chromatin, DNA-Binding Proteins, Humans, Molecular Sequence Data, Mutation, Sequence Alignment, Protein Structure, Tertiary, CpG Islands, DNA Methylation, Mice, Methyl-CpG-Binding Protein 2, Embryonic Stem Cells, Genome-Wide Association Study

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