Super-resolution chromatin tracing reveals domains and cooperative interactions in single cells
Open accessAbstract
Imaging chromatin spatial organization: The genome is organized within the nucleus as three-dimensional domains that modulate DNA-templated processes. Bintu et al. used high-throughput Oligopaint labeling and imaging to observe chromatin dynamics inside the nuclei of several different mammalian cell lines. After combining the datasets, single-cell matrices revealed chromatin arranged in topologically associating domains (TADs). Removing cohesin resulted in a loss of aggregate TADs among populations of cells, but specific TADs were still detected at the single-cell level. Furthermore, higher-order organization was detected, suggestive of cooperative interactions within the genome. Science , this issue p. eaau1783
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Rapid depletion of cohesin or CTCF quickly abolishes TADs but has only relatively mild effects on gene expression.
“rapid depletion of cohesin or CTCF quickly abolishes TADs but, as mentioned above, has only relatively mild effects on gene expression [301, 345–347, 448].”
From Transcriptional enhancers and their communication with gene promoters (2021) · cites this paper as [448]
The section “TAD-like structures remain in single cells after cohesin depletion” reports that six hours of induced cohesin degradation largely eliminated population-averaged TADs in the imaged regions. It does not report CTCF depletion or show that either depletion has only mild effects on gene expression. The paper also distinguishes the loss of population-averaged TADs from the persistence of TAD-like domains in single cells. (LLM, conf=0.88)
Experimental — accuracy not yet measuredSingle-cell studies show both substantial cell-to-cell heterogeneity of TADs and large numbers of inter-TAD chromosomal contacts.
“single-cell studies show both a substantial cell-to-cell heterogeneity of TADs and large numbers of inter-TAD chromosomal contacts [448, 452].”
From Transcriptional enhancers and their communication with gene promoters (2021) · cites this paper as [448]
The section ‘Super-resolution chromatin tracing reveals TAD-like structures in single cells’ reports substantial cell-to-cell variation in TAD-like domain boundaries. It also describes extensive overlap between regions from different ensemble sub-TADs in one example cell, but does not establish large numbers of inter-TAD chromosomal contacts. (LLM, conf=0.85)
Experimental — accuracy not yet measuredAdvances 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].”
From Transcriptional enhancers and their communication with gene promoters (2021) · cites this paper as [448]
The section “Multiplexed super-resolution FISH imaging for chromatin tracing” reports 3D super-resolution images of multiple chromatin segments in individual cells. Each segment spans 30 kb, however, so this paper does not support the claimed resolution of a few kilobases. (LLM, conf=0.90)
Experimental — accuracy not yet measuredEnhancer-promoter contacts are stochastic and probably dynamic in single cells.
“Enhancer–promoter contacts are stochastic32,37,38 and probably dynamic39 in single cells.”
From Nonlinear control of transcription through enhancer–promoter interactions (2022) · cites this paper as [38]
The section on cooperative, higher-order chromatin interactions reports that chromatin contacts vary from cell to cell, supporting the stochastic aspect of the claim. It does not establish that the variable contacts are specifically between enhancers and promoters. The paper’s Discussion suggests that single-cell domains may be dynamic, but does not demonstrate dynamic enhancer–promoter contacts. (LLM, conf=0.82)
Experimental — accuracy not yet measuredA recently developed oligopainting strategy combined with super-resolution microscopy allows the path of the chromatin fibril to be traced at relatively long genomic loci.
“A recently developed oligopainting strategy [149] combined with super-resolution microscopy allows the path of the chromatin fibril to be traced at relatively long genomic loci [150,151].”
From Enhancer Function in the 3D Genome (2023) · cites this paper as [150]
The results obtained using oligopainting confirmed the presence of TADs and demonstrated the variability of their shape.
“The results obtained using this technology confirmed the presence of TADs and demonstrated the variability of their shape [150], which is consistent with the single-cell Hi-C data.”
From Enhancer Function in the 3D Genome (2023) · cites this paper as [150]
Physical contacts between enhancers and promoters are often highly dynamic.
“Evidence from live-imaging studies at candidate loci suggests that physical contacts between enhancers and promoters are often highly dynamic [310, 311, 448].”
From Transcriptional enhancers and their communication with gene promoters (2021) · cites this paper as [448]
The chromatin-interactions section reports cell-to-cell variation in contacts between chromatin loci, but not changes over time at enhancer–promoter pairs. The Methods Summary describes imaging hybridized cells rather than live imaging. Our copy therefore does not establish that enhancer–promoter contacts are often highly dynamic. (LLM, conf=0.73)
Experimental — accuracy not yet measured
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- Authors
- Bintu, B., Mateo, L. J., Su, J.-H., Sinnott-Armstrong, N. A., Parker, M., Kinrot, S., Yamaya, K., Boettiger, A. N., & Zhuang, X.
- Affiliations
- Howard Hughes Medical Institute (US)
- Stanford University (US)
- Department of Genetics, Stanford University, Stanford, CA 94305, USA.
- Corresponding author
- Bintu, Bogdan
- Mateo, Leslie J.
- Boettiger, Alistair N.
- Zhuang, Xiaowei
- ORCID
- Venue
- Science
- Published
- 2018-10-26
- Volume
- 362
- Issue
- 6413
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- PMC
- PMC6535145
- OpenAlex
- W2898514070
- Cited by
- 976
- References
- 56
- Citations by year
- 2026: 81 · 2025: 131 · 2024: 112 · 2023: 104 · 2022: 127 · 2021: 156 · 2020: 136 · 2019: 118 · 2018: 10
- FWCI
- 38.13
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Digital Access to Scholarship at Harvard (DASH) (Harvard University) (acceptedVersion)
- Funders
- National Institutes of Health (R35GM122487)
- Howard Hughes Medical Institute
- Burroughs Wellcome Fund (CASI)
- Chicago Community Trust (Searle Scholar)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Advanced Fluorescence Microscopy Techniques
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
- Keywords
- chromatin organization, topologically associating domains, chromatin conformation, single-cell imaging, super-resolution imaging, CTCF binding sites, cohesin, domain boundaries, 3D genome organization
- MeSH terms
- Protein Domains, CCCTC-Binding Factor, Cohesins, Chromatin, Chromosomal Proteins, Non-Histone, Humans, Protein Binding, Genome, Human, In Situ Hybridization, Fluorescence, Cell Cycle Proteins, HCT116 Cells, Single-Cell Analysis
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