Who's in control? Principles of Rab GTPase activation in endolysosomal membrane trafficking and beyond

AC Borchers, L Langemeyer, C Ungermann - Journal of Cell Biology, 2021 - rupress.org
The eukaryotic endomembrane system consists of multiple interconnected organelles. Rab
GTPases are organelle-specific markers that give identity to these membranes by recruiting …

[HTML][HTML] C9ORF72: what it is, what it does, and why it matters

J Smeyers, EG Banchi, M Latouche - Frontiers in cellular …, 2021 - frontiersin.org
When the non-coding repeat expansion in the C9ORF72 gene was discovered to be the
most frequent cause of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis …

Mutations in COPA lead to abnormal trafficking of STING to the Golgi and interferon signaling

A Lepelley, MJ Martin-Niclós, M Le Bihan… - Journal of Experimental …, 2020 - rupress.org
Heterozygous missense mutations in coatomer protein subunit α, COPA, cause a syndrome
overlapping clinically with type I IFN-mediated disease due to gain-of-function in STING, a …

[HTML][HTML] ARF1 prevents aberrant type I interferon induction by regulating STING activation and recycling

M Hirschenberger, A Lepelley, U Rupp, S Klute… - Nature …, 2023 - nature.com
Type I interferon (IFN) signalling is tightly controlled. Upon recognition of DNA by cyclic GMP-
AMP synthase (cGAS), stimulator of interferon genes (STING) translocates along the …

[HTML][HTML] RUFY3 and RUFY4 are ARL8 effectors that promote coupling of endolysosomes to dynein-dynactin

T Keren-Kaplan, A Sarić, S Ghosh… - Nature …, 2022 - nature.com
The small GTPase ARL8 associates with endolysosomes, leading to the recruitment of
several effectors that couple endolysosomes to kinesins for anterograde transport along …

STED imaging of endogenously tagged ARF GTPases reveals their distinct nanoscale localizations

L Wong-Dilworth, C Rodilla-Ramirez, E Fox… - Journal of Cell …, 2023 - rupress.org
ADP-ribosylation factor (ARF) GTPases are major regulators of cellular membrane
homeostasis. High sequence similarity and multiple, possibly redundant functions of the five …

The structure of COPI vesicles and regulation of vesicle turnover

RJ Taylor, G Tagiltsev, JAG Briggs - FEBS letters, 2023 - Wiley Online Library
COPI‐coated vesicles mediate transport between Golgi stacks and retrograde transport from
the Golgi to the endoplasmic reticulum. The COPI coat exists as a stable heptameric …

[HTML][HTML] ARF GTPases and their ubiquitous role in intracellular trafficking beyond the Golgi

P Adarska, L Wong-Dilworth… - Frontiers in cell and …, 2021 - frontiersin.org
Molecular switches of the ADP-ribosylation factor (ARF) GTPase family coordinate
intracellular trafficking at all sorting stations along the secretory pathway, from the ER-Golgi …

Structure of the C9orf72 ARF GAP complex that is haploinsufficient in ALS and FTD

MY Su, SA Fromm, R Zoncu, JH Hurley - Nature, 2020 - nature.com
Mutation of C9orf72 is the most prevalent defect associated with amyotrophic lateral
sclerosis and frontotemporal degeneration. Together with hexanucleotide-repeat …

[HTML][HTML] The role of ARF family proteins and their regulators and effectors in cancer progression: a therapeutic perspective

C Casalou, A Ferreira, DC Barral - Frontiers in Cell and …, 2020 - frontiersin.org
The Adenosine diphosphate-Ribosylation Factor (ARF) family belongs to the RAS
superfamily of small GTPases and is involved in a wide variety of physiological processes …