Plasticity in salt bridge allows fusion-competent ubiquitylation of mitofusins and Cdc48 recognition

V Anton, I Buntenbroich, R Schuster… - Life Science …, 2019 - life-science-alliance.org
Mitofusins are dynamin-related GTPases that drive mitochondrial fusion by sequential
events of oligomerization and GTP hydrolysis, followed by their ubiquitylation. Here, we …

Dual role of a GTPase conformational switch for membrane fusion by mitofusin ubiquitylation

R Schuster, V Anton, T Simões, S Altin… - Life science …, 2020 - life-science-alliance.org
Mitochondria are essential organelles whose function is upheld by their dynamic nature.
This plasticity is mediated by large dynamin-related GTPases, called mitofusins in the case …

[PDF][PDF] Docking and stability defects in mitofusin highlight the proteasome as a potential therapeutic target

I Buntenbroich, V Anton, D Perez-Hernandez, T Simões… - Iscience, 2023 - cell.com
Defects in mitochondrial fusion are at the base of many diseases. Mitofusins power
membrane-remodeling events via self-interaction and GTP hydrolysis. However, how exactly …

A catalytic domain variant of mitofusin requiring a wildtype paralog for function uncouples mitochondrial outer-membrane tethering and fusion

EA Engelhart, S Hoppins - Journal of Biological Chemistry, 2019 - ASBMB
Mitofusins (Mfns) are dynamin-related GTPases that mediate mitochondrial outer-membrane
fusion, a process that is required for mitochondrial and cellular health. In Mfn1 and Mfn2 …

Mitochondrial fusion: the machineries in and out

S Gao, J Hu - Trends in cell biology, 2021 - cell.com
Mitochondria are highly dynamic organelles that constantly undergo fission and fusion.
Disruption of mitochondrial dynamics undermines their function and causes several human …

An ubiquitin-dependent balance between mitofusin turnover and fatty acids desaturation regulates mitochondrial fusion

L Cavellini, J Meurisse, J Findinier… - Nature …, 2017 - nature.com
Mitochondrial integrity relies on homotypic fusion between adjacent outer membranes,
which is mediated by large GTPases called mitofusins. The regulation of this process …

[PDF][PDF] Two deubiquitylases act on mitofusin and regulate mitochondrial fusion along independent pathways

F Anton, G Dittmar, T Langer, M Escobar-Henriques - Molecular cell, 2013 - cell.com
Mitofusins, conserved dynamin-related GTPases in the mitochondrial outer membrane,
mediate the fusion of mitochondria. Here, we demonstrate that the activity of the mitofusin …

Cdc48 regulates a deubiquitylase cascade critical for mitochondrial fusion

T Simões, R Schuster, F den Brave… - elife, 2018 - elifesciences.org
Cdc48/p97, a ubiquitin-selective chaperone, orchestrates the function of E3 ligases and
deubiquitylases (DUBs). Here, we identify a new function of Cdc48 in ubiquitin-dependent …

[HTML][HTML] Novel putative interactors of FZO-1/mitofusin 2 identified using large-scale yeast two-hybrid screening in C. elegans

S Dhananjay, G Chandhok, B Neumann - Micropublication Biology, 2022 - ncbi.nlm.nih.gov
Mitochondria are energy-converting organelles that shift between fusion and fission states in
order to perform a variety of essential functions. Disruption of these dynamics is detrimental …

Ugo1 and Mdm30 act sequentially during Fzo1-mediated mitochondrial outer membrane fusion

F Anton, JM Fres, A Schauss, B Pinson… - Journal of cell …, 2011 - journals.biologists.com
Dynamin-related GTPase proteins (DRPs) are main players in membrane remodelling.
Conserved DRPs called mitofusins (Mfn1/Mfn2/Fzo1) mediate the fusion of mitochondrial …