Cited by 120Genomics and Chromatin DynamicsNuclear Structure and FunctionChromatin Remodeling and Cancer

Principles of Chromosome Architecture Revealed by Hi-C

Open access
Eagen, Kyle P.·2018·Trends in Biochemical Sciences

Abstract

Chromosomes are folded and compacted in interphase nuclei, but the molecular basis of this folding is poorly understood. Chromosome conformation capture methods, such as Hi-C, combine chemical crosslinking of chromatin with fragmentation, DNA ligation, and high-throughput DNA sequencing to detect neighboring loci genome-wide. Hi-C has revealed the segregation of chromatin into active and inactive compartments and the folding of DNA into self-associating domains and loops. Depletion of CTCF, cohesin, or cohesin-associated proteins was recently shown to affect the majority of domains and loops in a manner that is consistent with a model of DNA folding through extrusion of chromatin loops. Compartmentation was not dependent on CTCF or cohesin. Hi-C contact maps represent the superimposition of CTCF/cohesin-dependent and -independent folding states.

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  • New methods have recently emerged that overcome many key limitations of earlier technologies, including single-cell methods, higher-resolution 3C, MPRAs, and high-throughput CRISPR screens.

    “To this point, new methods have recently emerged that overcome many of the key limitations of earlier technologies. These include single-cell (‘sc’) methods to identify cell-type-specific open chromatin in complex tissues82,83; higher resolution chromosome conformation capture [G] methods to more finely map enhancer–promoter contacts84; MPRAs to dissect or trap enhancer activity on a reporter”

    From Towards a comprehensive catalogue of validated and target-linked human enhancers (2020) · cites this paper as [84]

    The Chromosome Compartmentation section (page unavailable) describes improved Hi-C resolution, and Chromatin Loops (page unavailable) explains that Hi-C contact maps reveal contacts between loci. The copy does not say that higher-resolution methods more finely map enhancer–promoter contacts. Citation 84 is attached to the chromosome-conformation-capture example, not to the separately cited single-cell methods, MPRAs, or CRISPR screens. (LLM, conf=0.82)

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Cited by

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Authors
Eagen, K. P.
Affiliations
Northwestern University (US)
Corresponding author
Eagen, Kyle P.
Venue
Trends in Biochemical Sciences
Publisher
Elsevier BV
Published
2018-06
Volume
43
Issue
6
Pages
469-478
ISSN
0968-0004 (ISSN-L)
OpenAlex
W2800185612
Cited by
120
References
24
Citations by year
2026: 8 · 2025: 8 · 2024: 14 · 2023: 20 · 2022: 12 · 2021: 21 · 2020: 15 · 2019: 18 · 2018: 4
FWCI
1.42
Type
journal article
Language
en
Open access
Locations
  • Trends in Biochemical Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (DP5OD024587)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
chromosome organization, 3D genome organization, Hi-C, chromatin folding, CTCF, cohesin, chromatin compartments, topologically associating domains, chromatin looping, extrusion, interphase nuclei
MeSH terms
Animals, Chromosome Mapping, Chromosomes, Humans, Nucleic Acid Conformation, High-Throughput Nucleotide Sequencing

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