Quality control of the mitochondrial proteome

J Song, JM Herrmann, T Becker - Nature Reviews Molecular Cell …, 2021 - nature.com
Abstract Mitochondria contain about 1,000–1,500 proteins that fulfil multiple functions.
Mitochondrial proteins originate from two genomes: mitochondrial and nuclear. Hence …

Protein quality control at the mitochondrial surface

F den Brave, A Gupta, T Becker - Frontiers in Cell and Developmental …, 2021 - frontiersin.org
Mitochondria contain two membranes, the outer and inner membrane. The outer membrane
fulfills crucial functions for the communication of mitochondria with the cellular environment …

Msp1 clears mistargeted proteins by facilitating their transfer from mitochondria to the ER

S Matsumoto, K Nakatsukasa, C Kakuta, Y Tamura… - Molecular cell, 2019 - cell.com
Normal mitochondrial functions rely on optimized composition of their resident proteins, and
proteins mistargeted to mitochondria need to be efficiently removed. Msp1, an AAA-ATPase …

A protein quality control pathway at the mitochondrial outer membrane

MB Metzger, JL Scales, MF Dunklebarger, J Loncarek… - Elife, 2020 - elifesciences.org
Maintaining the essential functions of mitochondria requires mechanisms to recognize and
remove misfolded proteins. However, quality control (QC) pathways for misfolded …

Cytosolic quality control of mitochondrial protein precursors—the early stages of the organelle biogenesis

AM Lenkiewicz, M Krakowczyk… - International Journal of …, 2021 - mdpi.com
With few exceptions, proteins that constitute the proteome of mitochondria originate outside
of this organelle in precursor forms. Such protein precursors follow dedicated transportation …

Mitochondrial surveillance by Cdc48/p97: MAD vs. membrane fusion

M Escobar-Henriques, V Anton - International Journal of Molecular …, 2020 - mdpi.com
Cdc48/p97 is a ring-shaped, ATP-driven hexameric motor, essential for cellular viability. It
specifically unfolds and extracts ubiquitylated proteins from membranes or protein …

The regulation of mitochondrial homeostasis by the ubiquitin proteasome system

C Alsayyah, O Ozturk, L Cavellini… - … et Biophysica Acta (BBA …, 2020 - Elsevier
From mitochondrial quality control pathways to the regulation of specific functions, the
Ubiquitin Proteasome System (UPS) could be compared to a Swiss knife without which …

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 …

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 …

[HTML][HTML] Comparative Proteome-Wide Abundance Profiling of Yeast Strains Deleted for Cdc48 Adaptors

V Rossio, JA Paulo - Proteomes, 2024 - mdpi.com
The yeast ATPase Cdc48 (known as p97/VCP in human cells) plays an important role in the
Ubiquitin Proteasome System. VCP is essential for cancer cell proliferation, and its …