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 …

Two Cdc48 cofactors Ubp3 and Ubx2 regulate mitochondrial morphology and protein turnover

A Chowdhury, T Ogura, M Esaki - The journal of biochemistry, 2018 - academic.oup.com
Mitochondria continuously undergo coordinated fusion and fission during vegetative growth
to keep their homogeneity and to remove damaged components. A cytosolic AAA ATPase …

A AAA ATPase Cdc48 with a cofactor Ubx2 facilitates ubiquitylation of a mitochondrial fusion-promoting factor Fzo1 for proteasomal degradation

S Nahar, A Chowdhury, T Ogura… - The journal of …, 2020 - academic.oup.com
Dynamic functionality of mitochondria is maintained by continual fusion and fission events. A
mitochondrial outer membrane protein Fzo1 plays a pivotal role upon mitochondrial fusion …

[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 …

[HTML][HTML] 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 …

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 …

[HTML][HTML] 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 …

Ubiquitin–proteasome-dependent degradation of a mitofusin, a critical regulator of mitochondrial fusion

MMJ Cohen, GP Leboucher… - Molecular biology of …, 2008 - Am Soc Cell Biol
The mitochondrion is a dynamic membranous network whose morphology is conditioned by
the equilibrium between ongoing fusion and fission of mitochondrial membranes. In the …

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 …

Regulation of mitochondrial fusion by the F-box protein Mdm30 involves proteasome-independent turnover of Fzo1

M Escobar-Henriques, B Westermann… - The Journal of cell …, 2006 - rupress.org
Mitochondrial morphology depends on balanced fusion and fission events. A central
component of the mitochondrial fusion apparatus is the conserved GTPase Fzo1 in the outer …