Cited by 429Epigenetics and DNA MethylationGenomics and Chromatin DynamicsDevelopmental Biology and Gene Regulation

Polycomb-dependent regulatory contacts between distant Hox loci in Drosophila

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Bantignies, Frédéric, Roure, Virginie, Comet, Itys, Leblanc, Benjamin, Schuettengruber, Bernd, Bonnet, Jérôme, Tixier, Vanessa, Mas, André +1 more·2011·Cell

Abstract

In Drosophila melanogaster, Hox genes are organized in an anterior and a posterior cluster, called Antennapedia complex and bithorax complex, located on the same chromosome arm and separated by 10 Mb of DNA. Both clusters are repressed by Polycomb group (PcG) proteins. Here, we show that genes of the two Hox complexes can interact within nuclear PcG bodies in tissues where they are corepressed. This colocalization increases during development and depends on PcG proteins. Hox gene contacts are conserved in the distantly related Drosophila virilis species and they are part of a large gene interaction network that includes other PcG target genes. Importantly, mutations on one of the loci weaken silencing of genes in the other locus, resulting in the exacerbation of homeotic phenotypes in sensitized genetic backgrounds. Thus, the three-dimensional organization of Polycomb target genes in the cell nucleus stabilizes the maintenance of epigenetic gene silencing.

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Crossref · 10.1016/j.cell.2010.12.026

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  • PcG complexes mediate chromatin loops between distal loci within Polycomb bodies.

    “Within Polycomb bodies, PcG complexes were discovered to mediate chromatin loops between distal loci.”
  • Polycomb-mediated interactions have been previously reported in mouse ESs using a Capture-C approach and are a prominent feature in Drosophila.

    “Polycomb-mediated interactions have been previously reported in mouse ESs using a Capture-C approach (Schoenfelder et al., 2015b) and are a prominent feature in Drosophila (Bantignies et al., 2011).”

    From Multiscale 3D Genome Rewiring during Mouse Neural Development (2017) · cites this paper as Bantignies et al., 2011

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Authors
Bantignies, F., Roure, V., Comet, I., Leblanc, B., Schuettengruber, B., Bonnet, J., Tixier, V., Mas, A., & Cavalli, G.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
  • Bantignies, Frédéric
  • Cavalli, Giacomo
Venue
Cell
Publisher
Elsevier BV
Published
2011-01
Volume
144
Issue
2
Pages
214-226
ISSN
0092-8674 (ISSN-L)
OpenAlex
W1966015758
Cited by
429
References
67
Citations by year
2026: 14 · 2025: 15 · 2024: 20 · 2023: 19 · 2022: 16 · 2021: 28 · 2020: 29 · 2019: 37 · 2018: 24 · 2017: 26 · 2016: 29 · 2015: 29 · 2014: 27 · 2013: 47 · 2012: 40
FWCI
18.32
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Funders
Centre National de la Recherche Scientifique
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 › Developmental Biology and Gene Regulation
Keywords
Polycomb group proteins, Hox genes, Antennapedia complex, bithorax complex, 3D nuclear organization, chromatin looping, epigenetic silencing, Drosophila melanogaster, Drosophila virilis, gene interaction networks
MeSH terms
Animals, Cell Nucleus, Drosophila, Drosophila melanogaster, Genes, Homeobox, Repressor Proteins, Gene Silencing, Drosophila Proteins, Regulatory Elements, Transcriptional, Antennapedia Homeodomain Protein, Polycomb-Group Proteins

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