Molecular determinants of condensate composition

AS Holehouse, S Alberti - Molecular Cell, 2025 - cell.com
Cells use membraneless compartments to organize their interiors, and recent research has
begun to uncover the molecular principles underlying their assembly. Here, we explore how …

Reentrant Condensation of Polyelectrolytes Induced by Diluted Multivalent Salts: The Role of Electrostatic Gluonic Effects

H Yong - Biomacromolecules, 2024 - ACS Publications
We explore the reentrant condensation of polyelectrolytes triggered by multivalent salts,
whose phase-transition mechanism remains under debate. We propose a theory to study the …

[HTML][HTML] The mitochondria chronicles of melatonin and ATP: Guardians of phase separation

D Loh, RJ Reiter - Mitochondrial Communications, 2024 - Elsevier
Phase separation is a thermodynamic process used by all living organisms since the origin
of life to rapidly assemble and disassemble membraneless condensates in response to …

Selective ion binding and uptake shape the microenvironment of biomolecular condensates

IBA Smokers, E Lavagna, RVM Freire, M Paloni… - bioRxiv, 2024 - biorxiv.org
Biomolecular condensates modulate various ion-dependent cellular processes and can
regulate subcellular ion distributions by selective uptake of ions. However, the molecular …

Ionic Effect on the Microenvironment of Biomolecular Condensates

L Zhu, Y Pan, Z Hua, Y Liu, X Zhang - Journal of the American …, 2024 - ACS Publications
Biomolecules such as proteins and RNA could organize to form condensates with distinct
microenvironments through liquid–liquid phase separation (LLPS). Recent works have …

Direct prediction of intermolecular interactions driven by disordered regions

GM Ginell, RJ Emenecker, JM Lotthammer, ET Usher… - bioRxiv, 2024 - biorxiv.org
Intrinsically disordered regions (IDRs) are critical for a wide variety of cellular functions,
many of which involve interactions with partner proteins. Molecular recognition is typically …

Amino Acid Transfer Free Energies Reveal Thermodynamic Driving Forces in Biomolecular Condensate Formation

S Rekhi, J Mittal - bioRxiv, 2024 - biorxiv.org
The self-assembly of intrinsically disordered proteins into biomolecular condensates shows
a dependence on the primary sequence of the protein, leading to sequence-dependent …

Phosphorylation of disordered proteins tunes local and global intramolecular interactions

ET Usher, MJ Fossat, AS Holehouse - bioRxiv, 2024 - biorxiv.org
Protein post-translational modifications, such as phosphorylation, are important regulatory
signals for diverse cellular functions. In particular, intrinsically disordered protein regions …

Transient residence of the repulsive client Shutdown in Yb bodies plays a critical role in Piwi-piRISC biogenesis and maintaining fertility

S Hirakata, A Fujita, MC Siomi - bioRxiv, 2024 - biorxiv.org
Nonmembranous organelles, such as Yb bodies in Drosophila ovarian somatic cells, form
through liquid-liquid phase separation of scaffold proteins. Client proteins transiently …

Electrostatics of salt-dependent re-entrant phase behaviors highlights diverse roles of ATP in biomolecular condensates

YH Lin, TH Kim, S Das, T Pal, J Wessen, LE Kay… - Biophysical …, 2023 - cell.com
Liquid-liquid phase separation (LLPS) involving intrinsically disordered protein regions
(IDRs) is a major physical basis for biomolecular condensates such as intracellular …