Cited by 270Genomics and Chromatin DynamicsChromosomal and Genetic VariationsNuclear Structure and Function

Microscopy-Based Chromosome Conformation Capture Enables Simultaneous Visualization of Genome Organization and Transcription in Intact Organisms

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Cardozo Gizzi, Andrés M., Cattoni, Diego I., Fiche, Jean-Bernard, Espinola, Sergio M., Gurgo, Julian, Messina, Olivier, Houbron, Christophe, Ogiyama, Yuki +4 more·2019·Molecular Cell

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Abstract

Eukaryotic chromosomes are organized in multiple scales, from nucleosomes to chromosome territories. Recently, genome-wide methods identified an intermediate level of chromosome organization, topologically associating domains (TADs), that play key roles in transcriptional regulation. However, these methods cannot directly examine the interplay between transcriptional activation and chromosome architecture while maintaining spatial information. Here we present a multiplexed, sequential imaging approach (Hi-M) that permits simultaneous detection of chromosome organization and transcription in single nuclei. This allowed us to unveil the changes in 3D chromatin organization occurring upon transcriptional activation and homologous chromosome unpairing during awakening of the zygotic genome in intact Drosophila embryos. Excitingly, the ability of Hi-M to explore the multi-scale chromosome architecture with spatial resolution at different stages of development or during the cell cycle will be key to understanding the mechanisms and consequences of the 4D organization of the genome.

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Crossref · 10.1016/j.molcel.2019.01.011

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  • Hi-M combines visualisation of chromatin interactions and transcription in single cells.

    “Hi-M is one such technique that combines visualisation of chromatin interactions and transcription in single cells [501, 504].”
  • Advances in super-resolution imaging enable visualisation of multiple interacting loci to the resolution of a few kilobases in single cells.

    “advances in super-resolution imaging (reviewed in [500]) now enable the visualisation of multiple interacting loci to the resolution of a few kilobases in single cells [448, 501–503].”

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Authors
Cardozo Gizzi, A. M., Cattoni, D. I., Fiche, J.-B., Espinola, S. M., Gurgo, J., Messina, O., Houbron, C., Ogiyama, Y., Papadopoulos, G. L., Cavalli, G., Lagha, M., & Nollmann, M.
Affiliations
Centre National de la Recherche Scientifique (FR)
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2019-04
Volume
74
Issue
1
Pages
212-222.e5
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2895567766
Cited by
258
References
59
Citations by year
2026: 17 · 2025: 31 · 2024: 39 · 2023: 31 · 2022: 29 · 2021: 52 · 2020: 38 · 2019: 20 · 2018: 1
FWCI
10.67
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • SSRN Electronic Journal (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
Funders
  • European Research Council (724429)
  • Labex EpiGenMed (ANR-10-LABX-12-01)
  • French National Research Agency (ANR-10-INBS-04)
  • ERC SyncDev
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 › Nuclear Structure and Function
Keywords
chromosome conformation capture, topologically associating domains, 3D genome organization, transcriptional activation, zygotic genome activation, Drosophila embryo, chromosome territories
MeSH terms
Animals, Cell Cycle, Chromatin, Drosophila melanogaster, Microscopy, Fluorescence, RNA, Transcription, Genetic, Transcriptional Activation, Genome, In Situ Hybridization, Fluorescence, Gene Expression Regulation, Developmental, Chromatin Assembly and Disassembly, Chromosomes, Insect, Single-Cell Analysis, High-Throughput Nucleotide Sequencing

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