Cited by 1,021Epigenetics and DNA MethylationGenomics and Chromatin DynamicsGenetic Syndromes and Imprinting

TET1 and hydroxymethylcytosine in transcription and DNA methylation fidelity

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Williams, Kristine, Christensen, Jesper, Pedersen, Marianne Terndrup, Johansen, Jens V., Cloos, Paul A. C., Rappsilber, Juri, Helin, Kristian·2011·Nature

Abstract

Enzymes catalysing the methylation of the 5-position of cytosine (mC) have essential roles in regulating gene expression and maintaining cellular identity. Recently, TET1 was found to hydroxylate the methyl group of mC, converting it to 5-hydroxymethyl cytosine (hmC). Here we show that TET1 binds throughout the genome of embryonic stem cells, with the majority of binding sites located at transcription start sites (TSSs) of CpG-rich promoters and within genes. The hmC modification is found in gene bodies and in contrast to mC is also enriched at CpG-rich TSSs. We provide evidence further that TET1 has a role in transcriptional repression. TET1 binds a significant proportion of Polycomb group target genes. Furthermore, TET1 associates and colocalizes with the SIN3A co-repressor complex. We propose that TET1 fine-tunes transcription, opposes aberrant DNA methylation at CpG-rich sequences and thereby contributes to the regulation of DNA methylation fidelity.

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Authors
Williams, K., Christensen, J., Pedersen, M. T., Johansen, J. V., Cloos, P. A. C., Rappsilber, J., & Helin, K.
Affiliations
  • University of Copenhagen (DK)
  • Wellcome Centre for Cell Biology (GB)
Corresponding author
Helin, Kristian
Venue
Nature
Published
2011-04-13
Volume
473
Issue
7347
Pages
343-348
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2014623973
Cited by
1,021
References
30
Citations by year
2026: 23 · 2025: 29 · 2024: 29 · 2023: 37 · 2022: 44 · 2021: 57 · 2020: 49 · 2019: 55 · 2018: 63 · 2017: 65 · 2016: 87 · 2015: 72 · 2014: 108 · 2013: 125 · 2012: 114
FWCI
53.32
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, other-oa)
Funders
Wellcome Trust (084229)
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 › Genetics › Genetic Syndromes and Imprinting
Keywords
TET1, 5-hydroxymethylcytosine, DNA demethylation, transcription start sites, transcriptional repression, mouse embryonic stem cells, TET enzymes, genome-wide binding sites
MeSH terms
DNA (Cytosine-5-)-Methyltransferase 1, Animals, Cell Line, Cytosine, DNA (Cytosine-5-)-Methyltransferases, DNA-Binding Proteins, Protein Binding, Proto-Oncogene Proteins, Repressor Proteins, Transcription, Genetic, Down-Regulation, CpG Islands, DNA Methylation, Transcription Initiation Site, 5-Methylcytosine, Mice, Embryonic Stem Cells, Gene Knockdown Techniques, Sin3 Histone Deacetylase and Corepressor Complex

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