Cited by 281Epigenetics and DNA MethylationGenomics and Chromatin DynamicsChromatin Remodeling and Cancer

Role of DNA Methylation in Modulating Transcription Factor Occupancy

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Maurano, Matthew T., Wang, Hao, John, Sam, Shafer, Anthony, Canfield, Theresa, Lee, Kristen, Stamatoyannopoulos, John A.·2015·Cell Reports

Abstract

Although DNA methylation is commonly invoked as a mechanism for transcriptional repression, the extent to which it actively silences transcription factor (TF) occupancy sites in vivo is unknown. To study the role of DNA methylation in the active modulation of TF binding, we quantified the effect of DNA methylation depletion on the genomic occupancy patterns of CTCF, an abundant TF with known methylation sensitivity that is capable of autonomous binding to its target sites in chromatin. Here, we show that the vast majority (>98.5%) of the tens of thousands of unoccupied, methylated CTCF recognition sequences remain unbound upon abrogation of DNA methylation. The small fraction of sites that show methylation-dependent binding in vivo are in turn characterized by highly variable CTCF occupancy across cell types. Our results suggest that DNA methylation is not a primary groundskeeper of genomic TF landscapes, but rather a specialized mechanism for stabilizing intrinsically labile sites.

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Crossref · 10.1016/j.celrep.2015.07.024

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69 of 69 references verified0 citation errors · 0 not checkable

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  • 5mC affects CTCF binding only at a specific subset of recognition sequences.

    “Intriguingly, 5mC only affects CTCF binding at a specific subset of recognition sequences (30).”
  • Functional analyses of 5mC have traditionally relied on pharmacological or genetic perturbations that affect 5mC levels genome-wide.

    “Functional analyses of 5mC have traditionally relied on pharmacological or genetic perturbations that affect 5mC levels genome-wide (30, 32).”
  • Changes in DNA methylation are often associated with chromatin status, resulting in increased or decreased DNA accessibility.

    “Changes in DNA methylation are often associated with chromatin status, resulting in increased or decreased DNA accessibility 96,97.”

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Authors
Maurano, M. T., Wang, H., John, S., Shafer, A., Canfield, T., Lee, K., & Stamatoyannopoulos, J. A.
Affiliations
University of Washington (US)
Corresponding author
  • Maurano, Matthew T.
  • Stamatoyannopoulos, John A.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2015-08
Volume
12
Issue
7
Pages
1184-1195
ISSN
2211-1247 (ISSN-L)
OpenAlex
W1699926620
Cited by
281
References
69
Citations by year
2026: 6 · 2025: 14 · 2024: 33 · 2023: 20 · 2022: 32 · 2021: 34 · 2020: 30 · 2019: 26 · 2018: 35 · 2017: 26 · 2016: 21 · 2015: 4
FWCI
12.44
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (F31MH094073)
  • National Human Genome Research Institute (U54HG004592, U54HG007010)
  • National Institute of Environmental Health Sciences (U01ES017156)
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 › Chromatin Remodeling and Cancer
Keywords
DNA methylation, transcription factor occupancy, CTCF, transcriptional repression, chromatin binding, cell type variation, epigenetic regulation of transcription
MeSH terms
Chromatin, Humans, Protein Binding, Transcription Factors, DNA Methylation, Cell Line, Tumor

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