The scales, mechanisms, and dynamics of the genome architecture

L Lizana, YB Schwartz - Science Advances, 2024 - science.org
Even when split into several chromosomes, DNA molecules that make up our genome are
too long to fit into the cell nuclei unless massively folded. Such folding must accommodate …

Mechanism of phase condensation for chromosome architecture and function

J Park, JJ Kim, JK Ryu - Experimental & Molecular Medicine, 2024 - nature.com
Chromosomal phase separation is involved in a broad spectrum of chromosome
organization and functional processes. Nonetheless, the intricacy of this process has left its …

[HTML][HTML] Phase separation and inheritance of repressive chromatin domains

N Akilli, T Cheutin, G Cavalli - Current Opinion in Genetics & Development, 2024 - Elsevier
Highlights•Both Polycomb and constitutive heterochromatin components undergo phase
separation.•HP1 drives the formation of condensed structures that contribute to silencing …

Chromatin phase separated nanoregions explored by polymer cross-linker models and reconstructed from single particle trajectories

A Papale, D Holcman - PLOS Computational Biology, 2024 - journals.plos.org
Phase separated domains (PSDs) are ubiquitous in cell biology, representing nanoregions
of high molecular concentration. PSDs appear at diverse cellular domains, such as neuronal …

Affinity hierarchies and amphiphilic proteins underlie the co-assembly of nucleolar and heterochromatin condensates

V Rajshekar, O Adame-Arana, G Bajpai, S Safran… - Biophysical …, 2024 - cell.com
Nucleoli are surrounded by pericentromeric heterochromatin (PCH), reflecting a close
spatial association between the two largest biomolecular condensates in eukaryotic nuclei …

Transient crosslinking controls the condensate formation pathway within chromatin networks

ZP Wu, KS Bloom, MG Forest, XZ Cao - Physical Review E, 2024 - APS
The network structure of densely packed chromatin within the nucleus of eukaryotic cells
acts in concert with nonequilibrium processes. Using statistical physics simulations, we …

HBV PreC interacts with SUV39H1 to induce viral replication by blocking the proteasomal degradation of viral polymerase

L Hou, J Zhao, L Cai, L Jin, B Liu, S Li… - Journal of Medical …, 2024 - Wiley Online Library
Hepatitis B e antigen (HBeAg) seropositivity during the natural history of chronic hepatitis B
(CHB) is known to coincide with significant increases in serum and intrahepatic HBV DNA …

Genome-nuclear lamina interactions are multivalent and cooperative

L Dauban, M Eder, M de Haas… - bioRxiv, 2024 - biorxiv.org
Lamina-associated domains (LADs) are megabase-sized genomic regions that interact with
the nuclear lamina (NL). It is not yet understood how their interactions with the NL are …

Role of protein-protein interactions on model chromatin organization

P Swain, S Choubey, S Vemparala - bioRxiv, 2024 - biorxiv.org
The three-dimensional organization of chromatin is influenced by DNA-binding proteins,
through specific and non-specific interactions. However, the role of DNA sequence and …

The role of physicochemical processes in the formation of the 3D genome and compartmentalization of the cell nucleus

SV Razin - Postępy Biochemii, 2024 - postepybiochemii.ptbioch.edu.pl
The review analyzes the role of physicochemical processes in the formation of the function-
dependent architecture of the cell nucleus, built on the platform of a folded genome. The …