Understanding phosphoinositides: rare, dynamic, and essential membrane phospholipids

EJ Dickson, B Hille - Biochemical Journal, 2019 - portlandpress.com
Polyphosphoinositides (PPIs) are essential phospholipids located in the cytoplasmic leaflet
of eukaryotic cell membranes. Despite contributing only a small fraction to the bulk of cellular …

Mechanisms of nonvesicular lipid transport

KM Reinisch, WA Prinz - Journal of Cell Biology, 2021 - rupress.org
We have long known that lipids traffic between cellular membranes via vesicles but have
only recently appreciated the role of nonvesicular lipid transport. Nonvesicular transport can …

PI(4,5)P2 controls plasma membrane PI4P and PS levels via ORP5/8 recruitment to ER–PM contact sites

M Sohn, M Korzeniowski, JP Zewe, RC Wills… - Journal of Cell …, 2018 - rupress.org
Phosphatidylinositol 4, 5-bisphosphate (PI (4, 5) P2) is a critically important regulatory lipid
of the plasma membrane (PM); however, little is known about how cells regulate PM PI (4, 5) …

Phosphatidylinositol 4, 5‐bisphosphate controls Rab7 and PLEKHM 1 membrane cycling during autophagosome–lysosome fusion

T Baba, DJ Toth, N Sengupta, YJ Kim, T Balla - The EMBO journal, 2019 - embopress.org
The small GTP ase Rab7 is a key organizer of receptor sorting and lysosomal degradation
by recruiting of a variety of effectors depending on its GDP/GTP‐bound state. However …

Genetically encoded lipid biosensors

RC Wills, BD Goulden… - Molecular Biology of the …, 2018 - Am Soc Cell Biol
Lipids convey both structural and functional properties to eukaryotic membranes.
Understanding the basic lipid composition and the dynamics of these important molecules …

Lipid dynamics at contact sites between the endoplasmic reticulum and other organelles

T Balla, YJ Kim, A Alvarez-Prats… - Annual review of cell …, 2019 - annualreviews.org
Phospholipids are synthesized primarily within the endoplasmic reticulum and are
subsequently distributed to various subcellular membranes to maintain the unique lipid …

Chemical tools for lipid cell biology

C Schultz - Accounts of chemical research, 2023 - ACS Publications
Conspectus Lipids are key components of all organisms. We are well educated in their use
as fuel and their essential role to form membranes. We also know much about their …

Defining the subcellular distribution and metabolic channeling of phosphatidylinositol

JG Pemberton, YJ Kim, J Humpolickova… - Journal of Cell …, 2020 - rupress.org
Phosphatidylinositol (PI) is an essential structural component of eukaryotic membranes that
also serves as the common precursor for polyphosphoinositide (PPIn) lipids. Despite the …

Phosphoinositides in autophagy: current roles and future insights

L Palamiuc, A Ravi, BM Emerling - The FEBS journal, 2020 - Wiley Online Library
Today, the importance of autophagy in physiological processes and pathological conditions
is undeniable. Initially, autophagy merely was described as an evolutionarily conserved …

PIP5 kinases regulate membrane phosphoinositide and actin composition for targeted granule secretion by cytotoxic lymphocytes

CM Gawden-Bone, GL Frazer, AC Richard, CY Ma… - Immunity, 2018 - cell.com
How cytotoxic T lymphocytes (CTLs) sense T cell receptor (TCR) signaling in order to
specialize an area of plasma membrane for granule secretion is not understood. Here, we …