Cited by 174Genomics and Chromatin DynamicsChromatin Remodeling and CancerGene Regulatory Network Analysis

Cis-regulatory chromatin loops arise before TADs and gene activation, and are independent of cell fate during early Drosophila development

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Espinola, Sergio Martin, Götz, Markus, Bellec, Maelle, Messina, Olivier, Fiche, Jean-Bernard, Houbron, Christophe, Dejean, Matthieu, Reim, Ingolf +3 more·2021·Nature Genetics

Published version of a preprint

Abstract

Acquisition of cell fate is thought to rely on the specific interaction of remote cis-regulatory modules (CRMs), for example, enhancers and target promoters. However, the precise interplay between chromatin structure and gene expression is still unclear, particularly within multicellular developing organisms. In the present study, we employ Hi-M, a single-cell spatial genomics approach, to detect CRM-promoter looping interactions within topologically associating domains (TADs) during early Drosophila development. By comparing cis-regulatory loops in alternate cell types, we show that physical proximity does not necessarily instruct transcriptional states. Moreover, multi-way analyses reveal that multiple CRMs spatially coalesce to form hubs. Loops and CRM hubs are established early during development, before the emergence of TADs. Moreover, CRM hubs are formed, in part, via the action of the pioneer transcription factor Zelda and precede transcriptional activation. Our approach provides insight into the role of CRM-promoter interactions in defining transcriptional states, as well as distinct cell types.

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  • In the developing Drosophila embryo, enhancer-promoter loops are formed before TADs, and likely also precede the onset of zygotic transcription.

    “in the developing Drosophila embryo, enhancer–promoter loops are formed before TADs, and likely also precede the onset of zygotic transcription [453, 454].”

    From Transcriptional enhancers and their communication with gene promoters (2021) · cites this paper as [453]

    In “Cis-regulatory networks emerge before TADs and gene expression” (page unavailable), the paper reports promoter–CRM loops at nc11, before TAD formation and expression of the studied doc genes. It places TAD emergence at nc14 during the major wave of zygotic gene activation, but does not establish that the loops precede the onset of zygotic transcription generally. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Hi-M was employed in the developing Drosophila embryo to show that cis-regulatory elements cooperate to form hubs early in development prior to transcription, facilitated by the pioneer factor Zelda.

    “Hi-M was recently employed in the developing Drosophila embryo to show that cis-regulatory elements cooperate to form hubs early in development prior to transcription, facilitated by the pioneer factor Zelda [453].”
  • Hubs detected by these techniques sometimes contain multiple promoters, corroborating evidence for promoter-promoter contacts from conventional 3C-derived methods.

    “in addition to multiple enhancers, hubs detected by these techniques sometimes contain multiple promoters, corroborating the evidence for promoter-promoter contacts from the conventional 3C-derived methods [453, 498].”

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Research works printed but not linked: 22

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Authors
Espinola, S. M., Götz, M., Bellec, M., Messina, O., Fiche, J.-B., Houbron, C., Dejean, M., Reim, I., Cardozo Gizzi, A. M., Lagha, M., & Nollmann, M.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
Corresponding author
Lagha, Mounia
Venue
Nature Genetics
Published
2021-04
Volume
53
Issue
4
Pages
477-486
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W3144036649
Cited by
174
References
14
Citations by year
2026: 19 · 2025: 24 · 2024: 33 · 2023: 26 · 2022: 42 · 2021: 28 · 2020: 2
FWCI
10.59
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • Conicet (submittedVersion, cc-by-nc-sa)
Funders
  • European Commission (HORIZON2020, 724429)
  • Deutsche Forschungsgemeinschaft (431471305)
  • Agence Nationale de la Recherche (10-INBS-04, ANR‐10_INBS‐04, ANR-10, ANR-10-LABX-0012, ANR-10-INBS-0004)
  • Institut National de la Santé et de la Recherche Médicale (ANR-10-INBS-04)
  • Centre National de la Recherche Scientifique (ANR-10-INBS-04)
  • Université de Montpellier
Topics
  • 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
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
cis-regulatory modules, chromatin looping, topologically associating domains, enhancer-promoter looping, Zelda, pioneer transcription factors, transcriptional activation, cell fate specification
MeSH terms
Animals, Cell Differentiation, Chromatin, Drosophila melanogaster, Embryo, Nonmammalian, Enhancer Elements, Genetic, Nuclear Proteins, Promoter Regions, Genetic, Transcription Factors, Transcription, Genetic, Gene Expression Regulation, Developmental, Cell Lineage, Gene Expression Profiling, Genomics, Drosophila Proteins, Single-Cell Analysis

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