Liquid-liquid phase separation (LLPS) in DNA and chromatin systems from the perspective of colloid physical chemistry

L Nordenskiöld, X Shi, N Korolev, L Zhao, Z Zhai… - Advances in Colloid and …, 2024 - Elsevier
DNA is a highly charged polyelectrolyte and is prone to associative phase separation driven
by the presence of multivalent cations, charged surfactants, proteins, polymers and colloids …

Epigenetic regulation in lung cancer

S Ramazi, M Dadzadi, Z Sahafnejad, A Allahverdi - MedComm, 2023 - Wiley Online Library
Lung cancer is indeed a major cause of cancer‐related deaths worldwide. The development
of tumors involves a complex interplay of genetic, epigenetic, and environmental factors …

Driving forces of the complex formation between highly charged disordered proteins

A Chowdhury, A Borgia, S Ghosh, A Sottini… - Proceedings of the …, 2023 - pnas.org
Highly disordered complexes between oppositely charged intrinsically disordered proteins
present a new paradigm of biomolecular interactions. Here, we investigate the driving forces …

The solid and liquid states of chromatin

JC Hansen, K Maeshima, MJ Hendzel - Epigenetics & Chromatin, 2021 - Springer
The review begins with a concise description of the principles of phase separation. This is
followed by a comprehensive section on phase separation of chromatin, in which we recount …

Release of linker histone from the nucleosome driven by polyelectrolyte competition with a disordered protein

PO Heidarsson, D Mercadante, A Sottini, D Nettels… - Nature Chemistry, 2022 - nature.com
Highly charged intrinsically disordered proteins are essential regulators of chromatin
structure and transcriptional activity. Here we identify a surprising mechanism of molecular …

The role of the nucleosome acidic patch in modulating higher order chromatin structure

AA Kalashnikova, ME Porter-Goff… - Journal of the …, 2013 - royalsocietypublishing.org
Higher order folding of chromatin fibre is mediated by interactions of the histone H4 N-
terminal tail domains with neighbouring nucleosomes. Mechanistically, the H4 tails of one …

[HTML][HTML] Protein–polyelectrolyte complexes and micellar assemblies

S Gao, A Holkar, S Srivastava - Polymers, 2019 - mdpi.com
In this review, we highlight the recent progress in our understanding of the structure,
properties and applications of protein–polyelectrolyte complexes in both bulk and micellar …

Non-equilibrium behaviour in coacervate-based protocells under electric-field-induced excitation

Y Yin, L Niu, X Zhu, M Zhao, Z Zhang, S Mann… - Nature …, 2016 - nature.com
Although numerous strategies are now available to generate rudimentary forms of synthetic
cell-like entities, minimal progress has been made in the sustained excitation of artificial …

Polyelectrolyte properties of filamentous biopolymers and their consequences in biological fluids

PA Janmey, DR Slochower, YH Wang, Q Wen… - Soft matter, 2014 - pubs.rsc.org
Anionic polyelectrolyte filaments are common in biological cells. DNA, RNA, the cytoskeletal
filaments F-actin, microtubules, and intermediate filaments, and polysaccharides such as …

Chromatin compaction under mixed salt conditions: opposite effects of sodium and potassium ions on nucleosome array folding

A Allahverdi, Q Chen, N Korolev, L Nordenskiöld - Scientific reports, 2015 - nature.com
It is well known that chromatin structure is highly sensitive to the ionic environment.
However, the combined effects of a physiologically relevant mixed ionic environment of K+ …