Motion of VAPB molecules reveals ER–mitochondria contact site subdomains

CJ Obara, J Nixon-Abell, AS Moore, F Riccio… - Nature, 2024 - nature.com
To coordinate cellular physiology, eukaryotic cells rely on the rapid exchange of molecules
at specialized organelle–organelle contact sites,. Endoplasmic reticulum–mitochondrial …

Calcium channel signalling at neuronal endoplasmic reticulum-plasma membrane junctions

F Maciąg, A Chhikara, M Heine - Biochemical Society …, 2024 - portlandpress.com
Neurons are highly specialised cells that need to relay information over long distances and
integrate signals from thousands of synaptic inputs. The complexity of neuronal function is …

Imaging and proteomics toolkits for studying organelle contact sites

R Gamuyao, CL Chang - Frontiers in Cell and Developmental Biology, 2024 - frontiersin.org
Organelle contact sites are regions where two heterologous membranes are juxtaposed by
molecular tethering complexes. These contact sites are important in inter-organelle …

ER-associated VAP27-1 and VAP27-3 proteins functionally link the lipid-binding ORP2A at the ER-chloroplast contact sites

L Renna, G Stefano, MP Puggioni, SJ Kim… - Nature …, 2024 - nature.com
The plant endoplasmic reticulum (ER) contacts heterotypic membranes at membrane
contact sites (MCSs) through largely undefined mechanisms. For instance, despite the well …

A novel bacterial effector protein mediates ER-LD membrane contacts to regulate host lipid droplets

RK Angara, A Sadi, SD Gilk - EMBO reports, 2024 - embopress.org
Effective intracellular communication between cellular organelles occurs at dedicated
membrane contact sites (MCSs). Tether proteins are responsible for the establishment of …

Disruption of the VAPB-PTPIP51 ER-mitochondria tethering proteins in post-mortem human amyotrophic lateral sclerosis

N Hartopp, DHW Lau, SM Martin-Guerrero… - Frontiers in cell and …, 2022 - frontiersin.org
Signaling between the endoplasmic reticulum (ER) and mitochondria regulates many
neuronal functions that are perturbed in amyotrophic lateral sclerosis (ALS) and perturbation …

[HTML][HTML] New insights into the functions of ACBD4/5-like proteins using a combined phylogenetic and experimental approach across model organisms

S Kors, M Schuster, DC Maddison, S Kilaru… - … et Biophysica Acta (BBA …, 2024 - Elsevier
Acyl-CoA binding domain-containing proteins (ACBDs) perform diverse but often
uncharacterised functions linked to cellular lipid metabolism. Human ACBD4 and ACBD5 …

Quantitative phosphoproteomics explain cryopreservation-induced reductions in ram sperm motility

S Zang, X Yang, J Ye, X Mo, G Zhou, Y Fang - Journal of Proteomics, 2024 - Elsevier
Sperm cryopreservation decreases motility, probably due to changes in protein
phosphorylation. Our objective was to use quantitative phosphoproteomics for systematic …

Glycolipid transfer protein knockout disrupts vesicle trafficking to the plasma membrane

H Nurmi, APE Backman, J Halin, M Lönnfors… - Journal of Biological …, 2023 - jbc.org
The glycolipid transfer protein (GLTP) has been linked to many cellular processes aside
from its best-known in vitro function as a lipid transport protein. It has been proposed to act …

Controlling contacts—Molecular mechanisms to regulate organelle membrane tethering

S Kors, SM Kurian, JL Costello, M Schrader - BioEssays, 2022 - Wiley Online Library
In recent years, membrane contact sites (MCS), which mediate interactions between virtually
all subcellular organelles, have been extensively characterized and shown to be essential …