Transcription factors and 3D genome conformation in cell-fate decisions

R Stadhouders, GJ Filion, T Graf - Nature, 2019 - nature.com
How cells adopt different identities has long fascinated biologists. Signal transduction in
response to environmental cues results in the activation of transcription factors that …

Emerging roles of nuclear bodies in genome spatial organization

L Shan, P Li, H Yu, LL Chen - Trends in Cell Biology, 2023 - cell.com
Nuclear bodies (NBs) are biomolecular condensates that participate in various cellular
processes and respond to cellular stimuli in the nucleus. The assembly and function of these …

Parp1 promotes sleep, which enhances DNA repair in neurons

D Zada, Y Sela, N Matosevich, A Monsonego… - Molecular cell, 2021 - cell.com
The characteristics of the sleep drivers and the mechanisms through which sleep relieves
the cellular homeostatic pressure are unclear. In flies, zebrafish, mice, and humans, DNA …

Sleep increases chromosome dynamics to enable reduction of accumulating DNA damage in single neurons

D Zada, I Bronshtein, T Lerer-Goldshtein… - Nature …, 2019 - nature.com
Sleep is essential to all animals with a nervous system. Nevertheless, the core cellular
function of sleep is unknown, and there is no conserved molecular marker to define sleep …

Mesoscale phase separation of chromatin in the nucleus

G Bajpai, DA Pavlov, D Lorber, T Volk, S Safran - Biophysical Journal, 2020 - cell.com
Many measurements of chromatin packing in the nucleus of fixed cells indicate that a large
fraction of the nuclear volume is filled with chromatin. Our measurements of the spatial …

Olfactory receptor choice: a case study for gene regulation in a multi-enhancer system

A Pourmorady, S Lomvardas - Current Opinion in Genetics & Development, 2022 - Elsevier
The mammalian genome possesses> 2000 olfactory receptor (OR) alleles regulated by 63
known OR-Enhancer elements, yet each olfactory sensory neuron (OSN) expresses only a …

Plant 3D genomics: the exploration and application of chromatin organization

L Pei, G Li, K Lindsey, X Zhang, M Wang - New Phytologist, 2021 - Wiley Online Library
Eukaryotic genomes are highly folded for packing into higher‐order chromatin structures in
the nucleus. With the emergence of state‐of‐the‐art chromosome conformation capture …

Nuclear mechanotransduction: sensing the force from within

A Athirasala, N Hirsch, A Buxboim - Current opinion in cell biology, 2017 - Elsevier
Highlights•Despite lacking a direct extracellular attachment, the cell nucleus is a potent
mechanotransducer.•The A-type nuclear lamina scales with extracellular stiffness and …

Fractal folding and medium viscoelasticity contribute jointly to chromosome dynamics

KE Polovnikov, M Gherardi, M Cosentino-Lagomarsino… - Physical review …, 2018 - APS
Chromosomes are key players of cell physiology, their dynamics provides valuable
information about its physical organization. In both prokaryotes and eukaryotes, the short …

Initial high-resolution microscopic mapping of active and inactive regulatory sequences proves non-random 3D arrangements in chromatin domain clusters

M Cremer, VJ Schmid, F Kraus, Y Markaki… - Epigenetics & …, 2017 - Springer
Background The association of active transcription regulatory elements (TREs) with DNAse I
hypersensitivity (DHS [+]) and an 'open'local chromatin configuration has long been known …