Histone renegades: Unusual H2A histone variants in plants and animals

A Osakabe, A Molaro - Seminars in Cell & Developmental Biology, 2023 - Elsevier
H2A variants are histones that carry out specialized nucleosome function during the
eukaryote genome packaging. Most genes encoding H2A histone variants arose in the …

Machines on genes through the computational microscope

S Sinha, C Pindi, M Ahsan, PR Arantes… - Journal of chemical …, 2023 - ACS Publications
Macromolecular machines acting on genes are at the core of life's fundamental processes,
including DNA replication and repair, gene transcription and regulation, chromatin …

Histone variant H2A. Z modulates nucleosome dynamics to promote DNA accessibility

S Li, T Wei, A Panchenko - Biophysical Journal, 2023 - cell.com
Nucleosomes containing the histone variant H2A. Z are important for gene transcription
initiation and termination, chromosome segregation and DNA double-strand break repair …

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 …

H2a ubiquitination alters H3-tail dynamics on linker-DNA to enhance H3K27 methylation

H Ohtomo, S Ito, NJ McKenzie, M Uckelmann… - Journal of Molecular …, 2023 - Elsevier
Abstract Polycomb repressive complex 1 (PRC1) and PRC2 are responsible for epigenetic
gene regulation. PRC1 ubiquitinates histone H2A (H2Aub), which subsequently promotes …

C–B–A test of DNA force fields

IA Strelnikov, NA Kovaleva, AP Klinov, EA Zubova - ACS omega, 2023 - ACS Publications
The DNA duplex may be locally strongly bent in complexes with proteins, for example, with
polymerases or in a nucleosome. At such bends, the DNA helix is locally in the …

Structure and Dynamics of Compact Dinucleosomes: Analysis by Electron Microscopy and spFRET

ME Stefanova, OI Volokh, OV Chertkov… - International Journal of …, 2023 - mdpi.com
Formation of compact dinucleosomes (CODIs) occurs after collision between adjacent
nucleosomes at active regulatory DNA regions. Although CODIs are likely dynamic …

Arginine anchor points govern H3 tail dynamics

CE Jennings, CJ Zoss, EA Morrison - Frontiers in Molecular …, 2023 - frontiersin.org
Chromatin is dynamically reorganized spatially and temporally, and the post-translational
modification of histones is a key component of this regulation. The basic subunit of …

NucleosomeDB-a database of 3D nucleosome structures and their complexes with comparative analysis toolkit

GA Armeev, AK Gribkova, AK Shaytan - bioRxiv, 2023 - biorxiv.org
Nucleosomes are basic building blocks of chromatin, comprising DNA wrapped around an
octamer of eight histone proteins. They play key roles in DNA compaction, epigenetic mark …

[HTML][HTML] A coarse-grained DNA model to study protein-DNA interactions and liquid-liquid phase separation

U Kapoor, YC Kim, J Mittal - bioRxiv, 2023 - ncbi.nlm.nih.gov
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 …