PreprintCited by 455Genomics and Chromatin DynamicsChromosomal and Genetic VariationsChromatin Remodeling and Cancer

Functional and topological characteristics of mammalian regulatory domains

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Symmons, Orsolya, Uslu, Veli Vural, Tsujimura, Taro, Ruf, Sandra, Nassari, Sonya, Schwarzer, Wibke, Ettwiller, Laurence, Spitz, François·2014·Genome Research

Abstract

Long-range regulatory interactions play an important role in shaping gene-expression programs. However, the genomic features that organize these activities are still poorly characterized. We conducted a large operational analysis to chart the distribution of gene regulatory activities along the mouse genome, using hundreds of insertions of a regulatory sensor. We found that enhancers distribute their activities along broad regions and not in a gene-centric manner, defining large regulatory domains. Remarkably, these domains correlate strongly with the recently described TADs, which partition the genome into distinct self-interacting blocks. Different features, including specific repeats and CTCF-binding sites, correlate with the transition zones separating regulatory domains, and may help to further organize promiscuously distributed regulatory influences within large domains. These findings support a model of genomic organization where TADs confine regulatory activities to specific but large regulatory domains, contributing to the establishment of specific gene expression profiles.

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  • TADs appear to restrict the areas of enhancer action.

    “Second, it was demonstrated that eukaryotic chromosomes are partitioned into so-called topologically associated domains (TADs) [35,36,37], which appear to restrict the areas of enhancer action [38,39,40,41].”

    From Enhancer Function in the 3D Genome (2023) · cites this paper as [38]

  • The ability to establish contacts between enhancers and promoters is partially controlled at the level of chromosome organization into TADs, which in many cases limit the scope of enhancers.

    “The ability to establish contacts between enhancers and promoters is partially controlled at the level of chromosome organization into topologically associated domains, which in many cases limit the scope of enhancers [38,41,130,131].”

    From Enhancer Function in the 3D Genome (2023) · cites this paper as [38]

  • Chromatin domains span >90% of the genome and are thought to create insulated neighborhoods demarcating the search space of specific long-range interactions between enhancers and their target genes.

    “Such chromatin domains span >90% of the genome and are thought to create insulated neighborhoods demarcating the search space of specific long-range interactions between enhancers and their target genes (Dowen et al., 2014; Narendra et al., 2015; Symmons et al., 2014).”

    From Disease-Associated Short Tandem Repeats Co-localize with Chromatin Domain Boundaries (2018) · cites this paper as Symmons et al., 2014

  • TADs correspond to functional regulatory domains by primarily restricting contact between enhancers and promoters to occur within the same TAD.

    “A large body of evidence suggests that TADs correspond to functional regulatory domains by primarily restricting contact between enhancers and promoters to occur within the same TAD3,21–25”

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Authors
Symmons, O., Uslu, V. V., Tsujimura, T., Ruf, S., Nassari, S., Schwarzer, W., Ettwiller, L., & Spitz, F.
Affiliations
  • European Molecular Biology Laboratory (DE)
  • Heidelberg University (DE)
Corresponding author
Spitz, François
Venue
Genome Research
Published
2014-01-07
Volume
24
Issue
3
Pages
390-400
ISSN
1088-9051 (ISSN-L)
OpenAlex
W2107866789
Cited by
455
References
86
Citations by year
2026: 16 · 2025: 30 · 2024: 32 · 2023: 39 · 2022: 41 · 2021: 43 · 2020: 42 · 2019: 45 · 2018: 39 · 2017: 47 · 2016: 39 · 2015: 31 · 2014: 10
Type
posted content
Language
en
Open access
Licence
cc-by-nc
Locations
  • Genome Research (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • Uehara Memorial Foundation
  • European Molecular Biology Laboratory
  • European Commission (223210)
  • Louis-Jeantet Foundation
  • Darwin Trust of Edinburgh
  • Japan Society for the Promotion of Science
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
topologically associating domains, enhancers, CTCF binding sites, chromatin looping, mouse genome, genome organization, gene expression regulation
MeSH terms
CCCTC-Binding Factor, Cohesins, Animals, Binding Sites, Chromosomal Proteins, Non-Histone, Embryo, Mammalian, Enhancer Elements, Genetic, Regulatory Sequences, Nucleic Acid, Repetitive Sequences, Nucleic Acid, Repressor Proteins, Genome, Cell Cycle Proteins, Mice

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