ER as master regulator of membrane trafficking and organelle function

EM Wenzel, LA Elfmark, H Stenmark… - Journal of cell biology, 2022 - rupress.org
The endoplasmic reticulum (ER), which occupies a large portion of the cytoplasm, is the
cell's main site for the biosynthesis of lipids and carbohydrate conjugates, and it is essential …

Endoplasmic reticulum membrane contact sites, lipid transport, and neurodegeneration

A Guillén-Samander… - Cold Spring Harbor …, 2023 - cshperspectives.cshlp.org
The Endoplasmic Reticulum (ER) is an endomembrane system that plays a multiplicity of
roles in cell physiology and populates even the most distal cell compartments, including …

[HTML][HTML] Peroxisomal regulation of energy homeostasis: Effect on obesity and related metabolic disorders

B Kleiboeker, IJ Lodhi - Molecular Metabolism, 2022 - Elsevier
Background Peroxisomes are single membrane-bound organelles named for their role in
hydrogen peroxide production and catabolism. However, their cellular functions extend well …

Systematic analysis of membrane contact sites in Saccharomyces cerevisiae uncovers modulators of cellular lipid distribution

IG Castro, SP Shortill, SK Dziurdzik, A Cadou… - Elife, 2022 - elifesciences.org
Actively maintained close appositions between organelle membranes, also known as
contact sites, enable the efficient transfer of biomolecules between cellular compartments …

VAP proteins–from organelle tethers to pathogenic host interactors and their role in neuronal disease

S Kors, JL Costello, M Schrader - Frontiers in cell and developmental …, 2022 - frontiersin.org
Vesicle-associated membrane protein (VAMP)-associated proteins (VAPs) are ubiquitous
ER-resident tail-anchored membrane proteins in eukaryotic cells. Their N-terminal major …

Phosphorylation of ELYS promotes its interaction with VAPB at decondensing chromosomes during mitosis

C James, U Möller, C Spillner, S König, O Dybkov… - EMBO …, 2024 - embopress.org
ELYS is a nucleoporin that localizes to the nuclear side of the nuclear pore complex (NPC)
in interphase cells. In mitosis, it serves as an assembly platform that interacts with chromatin …

Mechanisms of modulation of mitochondrial architecture

JP Muñoz, FL Basei, ML Rojas, D Galvis, A Zorzano - Biomolecules, 2023 - mdpi.com
Mitochondrial network architecture plays a critical role in cellular physiology. Indeed,
alterations in the shape of mitochondria upon exposure to cellular stress can cause the …

Disruption of Mitochondrial‐associated ER membranes by HIV‐1 tat protein contributes to premature brain aging

SP Arjona, CNS Allen, M Santerre… - CNS neuroscience & …, 2023 - Wiley Online Library
Introduction Mitochondrial‐associated ER membranes (MAMs) control many cellular
functions, including calcium and lipid exchange, intracellular trafficking, and mitochondrial …

Convergent and divergent mechanisms of peroxisomal and mitochondrial division

S Subramani, N Shukla, JC Farre - Journal of Cell Biology, 2023 - rupress.org
Organelle division and segregation are important in cellular homeostasis. Peroxisomes
(POs) and mitochondria share a core division machinery and mechanism of membrane …

Metabolic channeling of lipids via the contact zones between different organelles

K Hanada - BioEssays, 2024 - Wiley Online Library
Various lipid transfer proteins (LTPs) mediate the inter‐organelle transport of lipids. By
working at membrane contact zones between donor and acceptor organelles, LTPs achieve …