TADs: Dynamic structures to create stable regulatory functions

JA da Costa-Nunes, D Noordermeer - Current Opinion in Structural Biology, 2023 - Elsevier
Mammalian chromosomes are organized at different length scales within the cell nucleus.
Topologically Associating Domains (TADs) are structural units of 3D genome organization …

Region Capture Micro-C reveals coalescence of enhancers and promoters into nested microcompartments

VY Goel, MK Huseyin, AS Hansen - Nature genetics, 2023 - nature.com
Although enhancers are central regulators of mammalian gene expression, the mechanisms
underlying enhancer–promoter (EP) interactions remain unclear. Chromosome …

[HTML][HTML] Topology regulatory elements: From shaping genome architecture to gene regulation

LF Chen, HK Long - Current opinion in structural biology, 2023 - Elsevier
The importance of 3D genome topology in the control of gene expression is becoming
increasingly apparent, while regulatory mechanisms remain incompletely understood …

[HTML][HTML] Topologically associating domain boundaries are required for normal genome function

S Rajderkar, I Barozzi, Y Zhu, R Hu, Y Zhang… - Communications …, 2023 - nature.com
Topologically associating domain (TAD) boundaries partition the genome into distinct
regulatory territories. Anecdotal evidence suggests that their disruption may interfere with …

Loop stacking organizes genome folding from TADs to chromosomes

A Hafner, M Park, SE Berger, SE Murphy, EP Nora… - Molecular cell, 2023 - cell.com
Although population-level analyses revealed significant roles for CTCF and cohesin in
mammalian genome organization, their contributions at the single-cell level remain …

[HTML][HTML] Multi-feature clustering of CTCF binding creates robustness for loop extrusion blocking and Topologically Associating Domain boundaries

LH Chang, S Ghosh, A Papale, JM Luppino… - Nature …, 2023 - nature.com
Abstract Topologically Associating Domains (TADs) separate vertebrate genomes into
insulated regulatory neighborhoods that focus genome-associated processes. TADs are …

Increased enhancer–promoter interactions during developmental enhancer activation in mammals

Z Chen, V Snetkova, G Bower, S Jacinto, B Clock… - Nature Genetics, 2024 - nature.com
Remote enhancers are thought to interact with their target promoters via physical proximity,
yet the importance of this proximity for enhancer function remains unclear. Here we …

Modeling epigenetic lesions that cause gliomas

GJ Rahme, NM Javed, KL Puorro, S Xin, V Hovestadt… - Cell, 2023 - cell.com
Epigenetic lesions that disrupt regulatory elements represent potential cancer drivers.
However, we lack experimental models for validating their tumorigenic impact. Here, we …

[HTML][HTML] Enhancer–promoter interactions become more instructive in the transition from cell-fate specification to tissue differentiation

T Pollex, A Rabinowitz, MC Gambetta… - Nature Genetics, 2024 - nature.com
To regulate expression, enhancers must come in proximity to their target gene. However, the
relationship between the timing of enhancer–promoter (E–P) proximity and activity remains …

[HTML][HTML] Multiplex profiling of developmental cis-regulatory elements with quantitative single-cell expression reporters

JB Lalanne, SG Regalado, S Domcke, D Calderon… - Nature …, 2024 - nature.com
The inability to scalably and precisely measure the activity of developmental cis-regulatory
elements (CREs) in multicellular systems is a bottleneck in genomics. Here we develop a …