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In 1999 Wright and Dyson highlighted the fact that large sections of the proteome of all organisms are comprised of protein sequences that lack globular folded structures under physiological conditions. Since then the biophysics community…

Biological Physics · Physics 2024-09-05 Zi Hao Liu , Maria Tsanai , Oufan Zhang , Julie Forman-Kay , Teresa Head-Gordon

We outline recent developments in artificial intelligence (AI) and machine learning (ML) techniques for integrative structural biology of intrinsically disordered proteins (IDP) ensembles. IDPs challenge the traditional protein…

Biomolecules · Quantitative Biology 2020-12-03 Arvind Ramanathan , Heng Ma , Akash Parvatikar , Chakra S. Chennubhotla

Cells are defined by lipid membranes that differ in their structure across the tree of life. While the membranes of most bacteria and eukaryotes consist of single-headed bilayer lipids, the membranes of archaea are composed of mixtures of…

Soft Condensed Matter · Physics 2026-04-21 Felix Frey , Miguel Amaral , Anđela Šarić

Mechanotransduction, the biological response to mechanical stress, is often initiated by the activation of mechanosensitive (MS) proteins upon mechanically induced deformations of the cell membrane. A current challenge to fully understand…

Chemical Physics · Physics 2021-06-30 Wenjuan Jiang , Yichun Lin , Yun Lyna Luo

Machine learning interatomic potentials (MLIPs) have become a workhorse of modern atomistic simulations, and recently published universal MLIPs, pre-trained on large datasets, have demonstrated remarkable accuracy and generalizability.…

Materials Science · Physics 2024-12-04 Juno Nam , Jiayu Peng , Rafael Gómez-Bombarelli

Clustering of ligand-binding receptors of different types on thickened isles of the cell membrane, namely lipid rafts, is an experimentally observed phenomenon. Although its influence on cell response is deeply investigated, the role of the…

Biological Physics · Physics 2020-06-01 A. R. Carotenuto , L. Lunghi , V. Piccolo , M. Babaei , K. Dayal , N. M. Pugno , M. Zingales , L. Deseri , M. Fraldi

Understanding the influence of macromolecular crowding and nanoparticles on the formation of in-register $\beta$-sheets, the primary structural component of amyloid fibrils, is a first step towards describing \emph{in vivo} protein…

Soft Condensed Matter · Physics 2011-05-06 Edward P. O'Brien , John E. Straub , Bernard R. Brooks , D. Thirumalai

Lipid phase heterogeneity in the plasma membrane is thought to be crucial for many aspects of cell signaling, but the physical basis of participating membrane domains such as "lipid rafts" remains controversial. Here we consider a lattice…

Biological Physics · Physics 2018-02-23 Eshan D. Mitra , Samuel C. Whitehead , David Holowka , Barbara Baird , James P. Sethna

Background: Although Alzheimer's disease (AD) is a central nervous system disease and type 2 diabetes mellitus (T2DM) is a metabolic disorder, an increasing number of genetic epidemiological studies show clear link between AD and T2DM. The…

Molecular Networks · Quantitative Biology 2019-01-18 Zixin Hu , Rong Jiao , Jiucun Wang , Panpan Wang , Yun Zhu , Jinying Zhao , Phil De Jager , David A Bennett , Li Jin , Momiao Xiong

This article summarizes a variety of physical mechanisms proposed in the literature, which can generate micro- and nanodomains in multicomponent lipid bilayers and biomembranes. It mainly focusses on lipid-driven mechanisms that do not…

Biological Physics · Physics 2016-11-16 Friederike Schmid

Phosphatidylinositol phosphates (PIPs) are membrane phospholipids that play crucial roles in a wide range of cellular functions. However, there is a dearth of experimental data in the literature on PIPs because their investigations are not…

Chemical Physics · Physics 2023-11-06 Clare Yijia Xie

Liquid-liquid phase separation of charge/aromatic-enriched intrinsically disordered proteins (IDPs) is critical in the biological function of membraneless organelles. Much of the physics of this recent discovery remains to be elucidated.…

Biomolecules · Quantitative Biology 2016-10-18 Yi-Hsuan Lin , Julie D. Forman-Kay , Hue Sun Chan

Background: Non-linear alterations in brain network connectivity may represent early neural signatures of Alzheimer's disease (AD) pathology in cognitively normal older adults. Understanding these changes and their cognitive relevance may…

Neurons and Cognition · Quantitative Biology 2026-04-22 Junjie Wu , Benjamin B Risk , Taylor A James , Nicholas Seyfried , David W Loring , Felicia C Goldstein , Allan I Levey , James J Lah , Deqiang Qiu

The connection between membrane inhomogeneity and the structural basis of lipid rafts has sparked interest in the lateral organization of model lipid bilayers of two and three components. In an effort to investigate anisotropic lipid…

Mesoscale and Nanoscale Physics · Physics 2010-08-31 Paul Tumaneng , Sagar A. Pandit , Guijun Zhao , H. L. Scott

Intrinsically disordered proteins (IDPs) are important for biological functions. In contrast to folded proteins, molecular recognition among certain IDPs is "fuzzy" in that their binding and/or phase separation are stochastically governed…

Biomolecules · Quantitative Biology 2020-08-10 Alan N. Amin , Yi-Hsuan Lin , Suman Das , Hue Sun Chan

We used redescription mining to find interpretable rules revealing associations between those determinants that provide insights about the Alzheimer's disease (AD). We extended the CLUS-RM redescription mining algorithm to a…

Quantitative Methods · Quantitative Biology 2017-11-15 Matej Mihelčić , Goran Šimić , Mirjana Babić Leko , Nada Lavrač , Sašo Džeroski , Tomislav Šmuc

Synthetic lipid membranes in the absence of proteins can display quantized conduction events for ions that are virtually indistinguishable from those of protein channel. By indistinguishable we mean that one cannot decide based on the…

Biological Physics · Physics 2014-02-03 Lars D. Mosgaard , Thomas Heimburg

Protein aggregation including the formation of dimers and multimers in solution, underlies an array of human diseases such as systemic amyloidosis which is a fatal disease caused by misfolding of native globular proteins damaging the…

Macrophages in atherosclerotic lesions exhibit a spectrum of behaviours or phenotypes. The phenotypic distribution of monocyte-derived macrophages (MDMs), its correlation with MDM lipid content, and relation to blood lipoprotein densities…

Cell Behavior · Quantitative Biology 2024-04-11 Keith L Chambers , Mary R Myerscough , Michael G Watson , Helen M Byrne

Lipid bilayers often form high-curvature configurations due to self-assembly conditions or certain biological processes. However, particle-based simulations of lipid membranes are predominantly of flat lipid membranes because planar…

Soft Condensed Matter · Physics 2025-01-31 James Tallman , Antonia Statt