Gene regulation in time and space during X-chromosome inactivation

A Loda, S Collombet, E Heard - Nature Reviews Molecular Cell Biology, 2022 - nature.com
X-chromosome inactivation (XCI) is the epigenetic mechanism that ensures X-linked dosage
compensation between cells of females (XX karyotype) and males (XY). XCI is essential for …

Nuclear compartmentalization as a mechanism of quantitative control of gene expression

P Bhat, D Honson, M Guttman - Nature Reviews Molecular Cell Biology, 2021 - nature.com
Gene regulation requires the dynamic coordination of hundreds of regulatory factors at
precise genomic and RNA targets. Although many regulatory factors have specific affinity for …

Chromatin accessibility: methods, mechanisms, and biological insights

AR Mansisidor, VI Risca - Nucleus, 2022 - Taylor & Francis
Access to DNA is a prerequisite to the execution of essential cellular processes that include
transcription, replication, chromosomal segregation, and DNA repair. How the proteins that …

RNA: the unsuspected conductor in the orchestra of macromolecular crowding

E Zacco, L Broglia, M Kurihara, M Monti… - Chemical …, 2024 - ACS Publications
This comprehensive Review delves into the chemical principles governing RNA-mediated
crowding events, commonly referred to as granules or biological condensates. We explore …

[HTML][HTML] Tuning levels of low-complexity domain interactions to modulate endogenous oncogenic transcription

S Chong, TGW Graham, C Dugast-Darzacq, GM Dailey… - Molecular Cell, 2022 - cell.com
Gene activation by mammalian transcription factors (TFs) requires multivalent interactions of
their low-complexity domains (LCDs), but how such interactions regulate transcription …

Detecting and quantifying liquid–liquid phase separation in living cells by model-free calibrated half-bleaching

F Muzzopappa, J Hummert, M Anfossi… - Nature …, 2022 - nature.com
Cells contain numerous substructures that have been proposed to form via liquid–liquid
phase separation (LLPS). It is currently debated how to reliably distinguish LLPS from other …

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 …

Single-molecule tracking (SMT): a window into live-cell transcription biochemistry

L Dahal, N Walther, R Tjian, X Darzacq… - Biochemical Society …, 2023 - portlandpress.com
How molecules interact governs how they move. Single-molecule tracking (SMT) thus
provides a unique window into the dynamic interactions of biomolecules within live cells …

The molecular and nuclear dynamics of X-chromosome inactivation

F Dossin, E Heard - Cold Spring Harbor Perspectives in …, 2022 - cshperspectives.cshlp.org
In female eutherian mammals, dosage compensation of X-linked gene expression is
achieved during development through transcriptional silencing of one of the two X …

[HTML][HTML] A critical role for X-chromosome architecture in mammalian X-chromosome dosage compensation

I Dror, T Tan, K Plath - Current Opinion in Genetics & Development, 2024 - Elsevier
Highlights•XIST first mediates dampening, then silencing of X-linked genes in human
development•Complete gene silencing on the inactive X requires chromatin …