Physical principles underlying the complex biology of intracellular phase transitions

JM Choi, AS Holehouse… - Annual review of …, 2020 - annualreviews.org
Many biomolecular condensates appear to form via spontaneous or driven processes that
have the hallmarks of intracellular phase transitions. This suggests that a common …

Lipid rafts: controversies resolved, mysteries remain

I Levental, KR Levental, FA Heberle - Trends in cell biology, 2020 - cell.com
The lipid raft hypothesis postulates that lipid–lipid interactions can laterally organize
biological membranes into domains of distinct structures, compositions, and functions. This …

Plasma membranes are asymmetric in lipid unsaturation, packing and protein shape

JH Lorent, KR Levental, L Ganesan… - Nature chemical …, 2020 - nature.com
A fundamental feature of cellular plasma membranes (PMs) is an asymmetric lipid
distribution between the bilayer leaflets. However, neither the detailed, comprehensive …

Membrane phase separation drives responsive assembly of receptor signaling domains

SA Shelby, I Castello-Serrano, KC Wisser… - Nature Chemical …, 2023 - nature.com
Plasma membrane heterogeneity has been tied to a litany of cellular functions and is often
explained by analogy to membrane phase separation; however, models based on phase …

The mystery of membrane organization: composition, regulation and roles of lipid rafts

E Sezgin, I Levental, S Mayor, C Eggeling - Nature reviews Molecular …, 2017 - nature.com
Cellular plasma membranes are laterally heterogeneous, featuring a variety of distinct
subcompartments that differ in their biophysical properties and composition. A large number …

Coupling of protein condensates to ordered lipid domains determines functional membrane organization

HY Wang, SH Chan, S Dey, I Castello-Serrano… - Science …, 2023 - science.org
During T cell activation, the transmembrane adaptor protein LAT (linker for activation of T
cells) forms biomolecular condensates with Grb2 and Sos1, facilitating signaling. LAT has …

[HTML][HTML] The control centers of biomolecular phase separation: how membrane surfaces, PTMs, and active processes regulate condensation

WT Snead, AS Gladfelter - Molecular cell, 2019 - cell.com
Biomolecular condensation is emerging as an essential process for cellular
compartmentalization. The formation of biomolecular condensates can be driven by liquid …

Structural determinants and functional consequences of protein affinity for membrane rafts

JH Lorent, B Diaz-Rohrer, X Lin, K Spring… - Nature …, 2017 - nature.com
Eukaryotic plasma membranes are compartmentalized into functional lateral domains,
including lipid-driven membrane rafts. Rafts are involved in most plasma membrane …

The continuing mystery of lipid rafts

I Levental, SL Veatch - Journal of molecular biology, 2016 - Elsevier
Since its initial formalization nearly 20 years ago, the concept of lipid rafts has generated a
tremendous amount of attention and interest and nearly as much controversy. The …

Confined diffusion of transmembrane proteins and lipids induced by the same actin meshwork lining the plasma membrane

TK Fujiwara, K Iwasawa, Z Kalay… - Molecular biology of …, 2016 - Am Soc Cell Biol
The mechanisms by which the diffusion rate in the plasma membrane (PM) is regulated
remain unresolved, despite their importance in spatially regulating the reaction rates in the …