Cited by 159Genomics and Chromatin DynamicsChromosomal and Genetic VariationsDevelopmental Biology and Gene Regulation

Evolutionary comparison reveals that diverging CTCF sites are signatures of ancestral topological associating domains borders

Open access
Gómez-Marín, Carlos, Tena, Juan J., Acemel, Rafael D., López-Mayorga, Macarena, Naranjo, Silvia, de la Calle-Mustienes, Elisa, Maeso, Ignacio, Beccari, Leonardo +6 more·2015·Proceedings of the National Academy of Sciences

Abstract

Significance: Mammalian chromatin is compartmentalized in topologically associating domains (TADs), genomic regions within which sequences preferentially contact each other. This organization has been proposed to be essential to organize the regulatory information contained in mammalian genomes. We show that Six homeobox genes, essential developmental regulators organized in gene clusters across different animal phyla, share a deeply conserved chromatin organization formed by two abutting TADs that predates the Cambrian explosion. This organization is required to generate separate regulatory landscapes for neighboring genes within the cluster, resulting in very different gene expression patterns. Finally, we show that this extremely conserved 3D architecture is associated with a characteristic arrangement of CCCTC-binding factor (CTCF) binding sites in diverging orientations, revealing a genome-wide conserved signature for TAD borders.

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Crossref · 10.1073/pnas.1505463112

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  • Effective chromatin boundaries are formed by two directly adjacent divergent CTCF binding sites.

    “It has been suggested that effective chromatin boundaries are formed by two directly adjacent divergent CTCF binding sites30.”
  • The CTCF DNA binding motif is asymmetric and directional, and the CTCF anchors of >90% of loop domains occur in a convergent orientation.

    “This and other studies have noted that the DNA binding motif of CTCF is asymmetric and thus directional, and the CTCF anchors of >90% the loop domains occur in a convergent orientation (de Wit et al., 2015; Gomez-Marin et al., 2015; Guo et al., 2015; Ji et al., 2016; Vietri Rudan et al., 2015).”

    From Insulated Neighborhoods: Structural and Functional Units of Mammalian Gene Control (2016) · cites this paper as Gomez-Marin et al., 2015

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Authors
Gómez-Marín, C., Tena, J. J., Acemel, R. D., López-Mayorga, M., Naranjo, S., de la Calle-Mustienes, E., Maeso, I., Beccari, L., Aneas, I., Vielmas, E., Bovolenta, P., Nobrega, M. A., Carvajal, J., & Gómez-Skarmeta, J. L.
Affiliations
  • Consejo Superior de Investigaciones Científicas (ES)
  • Centro Andaluz de Biología del Desarrollo, Consejo Superior de Investigaciones Científicas/Universidad Pablo de Olavide, Seville 41013, Spain;
  • University of Chicago (US)
  • California Institute of Technology (US)
  • Department of Human Genetics, University of Chicago, IL 60637;
Venue
Proceedings of the National Academy of Sciences
Published
2015-06
Volume
112
Issue
24
Pages
7542-7547
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1637500350
Cited by
159
References
40
Citations by year
2026: 6 · 2025: 6 · 2024: 4 · 2023: 9 · 2022: 9 · 2021: 18 · 2020: 15 · 2019: 21 · 2018: 16 · 2017: 21 · 2016: 28 · 2015: 6
FWCI
10.28
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
Funders
  • Ministry of Economy and Competitiveness | Consejo Superior de Investigaciones Científicas (BFU2013-41322-P, BFU2011-22928, BFU2013-43213-P, BFU2014-55738-REDT)
  • Consejería Economía, Innovación, Ciencia y Empleo, Junta de Andalucia (BIO-396)
  • EU-FP7-PEOPLE 2011-CIG (303904 EPAXIALMYF5KO)
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 › Developmental Biology and Gene Regulation
Keywords
topologically associating domains, CTCF, 3D genome organization, gene clusters, regulatory landscape, evolutionary conservation, deuterostome evolution, zebrafish, Hi-C, chromatin compartmentalization
MeSH terms
CCCTC-Binding Factor, Animals, Base Sequence, Binding Sites, Chromatin, DNA, Enhancer Elements, Genetic, Genes, Homeobox, Multigene Family, Humans, Models, Genetic, Promoter Regions, Genetic, Repressor Proteins, Zebrafish, Conserved Sequence, Homeodomain Proteins, Evolution, Molecular, Animals, Genetically Modified, Strongylocentrotus purpuratus, Mice, Protein Interaction Domains and Motifs

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