Epigenetic pioneering by SWI/SNF family remodelers

K Ahmad, S Brahma, S Henikoff - Molecular cell, 2024 - cell.com
In eukaryotic genomes, transcriptional machinery and nucleosomes compete for binding to
DNA sequences; thus, a crucial aspect of gene regulatory element function is to modulate …

The chromosome folding problem and how cells solve it

J Dekker, LA Mirny - Cell, 2024 - cell.com
Every cell must solve the problem of how to fold its genome. We describe how the folded
state of chromosomes is the result of the combined activity of multiple conserved …

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 …

Topoisomerase-modulated genome-wide DNA supercoiling domains colocalize with nuclear compartments and regulate human gene expression

Q Yao, L Zhu, Z Shi, S Banerjee, C Chen - Nature structural & molecular …, 2024 - nature.com
DNA supercoiling is a biophysical feature of the double helix with a pivotal role in biological
processes. However, understanding of DNA supercoiling in the chromatin remains limited …

Replication timing alterations are associated with mutation acquisition during breast and lung cancer evolution

M Dietzen, H Zhai, O Lucas, O Pich… - Nature …, 2024 - nature.com
During each cell cycle, the process of DNA replication timing is tightly regulated to ensure
the accurate duplication of the genome. The extent and significance of alterations in this …

Ultra-long-range interactions between active regulatory elements

ET Friman, IM Flyamer, D Marenduzzo… - Genome …, 2023 - genome.cshlp.org
Contacts between enhancers and promoters are thought to relate to their ability to activate
transcription. Investigating factors that contribute to such chromatin interactions is therefore …

Stem-loop and circle-loop TADs generated by directional pairing of boundary elements have distinct physical and regulatory properties

W Ke, M Fujioka, P Schedl, JB Jaynes - Elife, 2024 - elifesciences.org
The chromosomes in multicellular eukaryotes are organized into a series of topologically
independent loops called TADs. In flies, TADs are formed by physical interactions between …

Dynamic microenvironments shape nuclear organization and gene expression

G Hayward-Lara, MD Fischer, M Mir - Current Opinion in Genetics & …, 2024 - Elsevier
Highlights•Microenvironments are local high concentrations of multiple nuclear factors.•
Microenvironments form due to protein–protein and protein–chromatin interactions.•Local …

[HTML][HTML] Spandrels of the cell nucleus

I Solovei, L Mirny - Current Opinion in Cell Biology, 2024 - Elsevier
SJ Gould and R. Lewontin in their famous “Spandrels paper”(1979) argued that many
anatomical elements arise in evolution not due to their “current utility” but rather due to other …

Unveiling Alterations of Epigenetic Modifications and Chromatin Architecture Leading to Lipid Metabolic Reprogramming during the Evolutionary Trastuzumab …

N Duan, Y Hua, X Yan, Y He, T Zeng, J Gong… - Advanced …, 2024 - Wiley Online Library
Secondary trastuzumab resistance represents an evolutionary adaptation of HER2‐positive
breast cancer during anti‐HER2 treatment. Most current studies have tended to prioritize …