Patterning of the cell cortex by Rho GTPases

WM Bement, AB Goryachev, AL Miller… - … Reviews Molecular Cell …, 2024 - nature.com
Abstract The Rho GTPases—RHOA, RAC1 and CDC42—are small GTP binding proteins
that regulate basic biological processes such as cell locomotion, cell division and …

Novel roles of phosphoinositides in signaling, lipid transport, and disease

GRV Hammond, JE Burke - Current Opinion in Cell Biology, 2020 - Elsevier
Phosphoinositides (PPIns) are lipid signaling molecules that act as master regulators of
cellular signaling. Recent studies have revealed novel roles of PPIns in myriad cellular …

A mechanism for exocyst-mediated tethering via Arf6 and PIP5K1C-driven phosphoinositide conversion

H Maib, DH Murray - Current Biology, 2022 - cell.com
Polarized trafficking is necessary for the development of eukaryotes and is regulated by a
conserved molecular machinery. Late steps of cargo delivery are mediated by the exocyst …

Phase-space geometry of mass-conserving reaction-diffusion dynamics

F Brauns, J Halatek, E Frey - Physical Review X, 2020 - APS
Experimental studies of protein-pattern formation have stimulated new interest in the
dynamics of reaction-diffusion systems. However, a comprehensive theoretical …

Coupled membrane lipid miscibility and phosphotyrosine-driven protein condensation phase transitions

JK Chung, WYC Huang, CB Carbone, LM Nocka… - Biophysical journal, 2021 - cell.com
Lipid miscibility phase separation has long been considered to be a central element of cell
membrane organization. More recently, protein condensation phase transitions, into three …

Extraction of active RhoGTPases by RhoGDI regulates spatiotemporal patterning of RhoGTPases

AE Golding, I Visco, P Bieling, WM Bement - Elife, 2019 - elifesciences.org
The RhoGTPases are characterized as membrane-associated molecular switches that cycle
between active, GTP-bound and inactive, GDP-bound states. However, 90–95% of …

PI(4,5)P2 Clustering and Its Impact on Biological Functions

Y Wen, VM Vogt, GW Feigenson - Annual Review of …, 2021 - annualreviews.org
Located at the inner leaflet of the plasma membrane (PM), phosphatidyl-inositol 4, 5-
bisphosphate [PI (4, 5) P2] composes only 1–2 mol% of total PM lipids. With its synthesis …

A novel homeostatic mechanism tunes PI (4, 5) P2-dependent signaling at the plasma membrane

RC Wills, CP Doyle, JP Zewe, J Pacheco… - Journal of Cell …, 2023 - journals.biologists.com
ABSTRACT The lipid molecule phosphatidylinositol (4, 5)-bisphosphate [PI (4, 5) P 2]
controls all aspects of plasma membrane (PM) function in animal cells, from its selective …

Mechanisms controlling membrane recruitment and activation of the autoinhibited SHIP1 inositol 5-phosphatase

GL Waddell, EE Drew, HP Rupp, SD Hansen - Journal of Biological …, 2023 - ASBMB
Signal transduction downstream of growth factor and immune receptor activation relies on
the production of phosphatidylinositol-(3, 4, 5)-trisphosphate (PI (3, 4, 5) P 3) lipids by PI3K …

Dynamic remodeling of host membranes by self-organizing bacterial effectors

TS Hsieh, VA Lopez, MH Black, A Osinski, K Pawłowski… - Science, 2021 - science.org
During infection, intracellular bacterial pathogens translocate a variety of effectors into host
cells that modify host membrane trafficking for their benefit. We found a self-organizing …