Immediate-early, early, and late responses to DNA double stranded breaks

SR Kieffer, NF Lowndes - Frontiers in Genetics, 2022 - frontiersin.org
Loss or rearrangement of genetic information can result from incorrect responses to DNA
double strand breaks (DSBs). The cellular responses to DSBs encompass a range of highly …

[HTML][HTML] Acetylation in pathogenesis: revealing emerging mechanisms and therapeutic prospects

N Jiang, W Li, S Jiang, M **e, R Liu - Biomedicine & Pharmacotherapy, 2023 - Elsevier
Protein acetylation modifications play a central and pivotal role in a myriad of biological
processes, spanning cellular metabolism, proliferation, differentiation, apoptosis, and …

HP1α is a chromatin crosslinker that controls nuclear and mitotic chromosome mechanics

AR Strom, RJ Biggs, EJ Banigan, X Wang, K Chiu… - Elife, 2021 - elifesciences.org
Chromatin, which consists of DNA and associated proteins, contains genetic information and
is a mechanical component of the nucleus. Heterochromatic histone methylation controls …

Molecular interactions underlying the phase separation of HP1α: role of phosphorylation, ligand and nucleic acid binding

C Her, TM Phan, N Jovic, U Kapoor… - Nucleic Acids …, 2022 - academic.oup.com
Heterochromatin protein 1α (HP1α) is a crucial element of chromatin organization. It has
been proposed that HP1α functions through liquid-liquid phase separation (LLPS), which …

HP1-driven phase separation recapitulates the thermodynamics and kinetics of heterochromatin condensate formation

MMC Tortora, LD Brennan, G Karpen, D Jost - Proceedings of the National …, 2023 - pnas.org
The spatial segregation of pericentromeric heterochromatin (PCH) into distinct, membrane-
less nuclear compartments involves the binding of Heterochromatin Protein 1 (HP1) to …

Multimodal interactions drive chromatin phase separation and compaction

T Ukmar-Godec, MS Cima-Omori, Z Yerkesh… - Proceedings of the …, 2023 - pnas.org
Gene silencing is intimately connected to DNA condensation and the formation of
transcriptionally inactive heterochromatin by Heterochromatin Protein 1α (HP1α). Because …

Coarse-grained models to study protein–DNA interactions and liquid–liquid phase separation

U Kapoor, YC Kim, J Mittal - Journal of Chemical Theory and …, 2023 - ACS Publications
Recent advances in coarse-grained (CG) computational models for DNA have enabled
molecular-level insights into the behavior of DNA in complex multiscale systems. However …

ZFP462 safeguards neural lineage specification by targeting G9A/GLP-mediated heterochromatin to silence enhancers

R Yelagandula, K Stecher, M Novatchkova… - Nature cell …, 2023 - nature.com
ZNF462 haploinsufficiency is linked to Weiss–Kruszka syndrome, a genetic disorder
characterized by neurodevelopmental defects, including autism. Though conserved in …

[HTML][HTML] Molecular mechanisms for the regulation of nuclear membrane integrity

GE Lee, J Byun, CJ Lee, YY Cho - International Journal of Molecular …, 2023 - mdpi.com
The nuclear membrane serves a critical role in protecting the contents of the nucleus and
facilitating material and signal exchange between the nucleus and cytoplasm. While …

[HTML][HTML] Uncoupling the distinct functions of HP1 proteins during heterochromatin establishment and maintenance

M Seman, A Levashkevich, A Larkin, F Huang… - Cell reports, 2023 - cell.com
Summary H3K9 methylation (H3K9me) marks transcriptionally silent genomic regions called
heterochromatin. HP1 proteins are required to establish and maintain heterochromatin. HP1 …