The ubiquitin code in the ubiquitin-proteasome system and autophagy

YT Kwon, A Ciechanover - Trends in biochemical sciences, 2017 - cell.com
The conjugation of the 76 amino acid protein ubiquitin to other proteins can alter the
metabolic stability or non-proteolytic functions of the substrate. Once attached to a substrate …

[HTML][HTML] Crosstalk and interplay between the ubiquitin-proteasome system and autophagy

CH Ji, YT Kwon - Molecules and cells, 2017 - Elsevier
Proteolysis in eukaryotic cells is mainly mediated by the ubiquitin (Ub)-proteasome system
(UPS) and the autophagylysosome system (hereafter autophagy). The UPS is a selective …

SENP6 regulates localization and nuclear condensation of DNA damage response proteins by group deSUMOylation

LA Claessens, M Verlaan-de Vries, IJ de Graaf… - Nature …, 2023 - nature.com
The SUMO protease SENP6 maintains genomic stability, but mechanistic understanding of
this process remains limited. We find that SENP6 deconjugates SUMO2/3 polymers on a …

Post-translational modifications of key machinery in the control of mitophagy

L Wang, H Qi, Y Tang, HM Shen - Trends in biochemical sciences, 2020 - cell.com
Mitophagy refers to the process of selective removal of damaged or superfluous
mitochondria via the autophagy/lysosome pathway. In the past decade the molecular …

[HTML][HTML] New faces of old friends: emerging new roles of RNA-binding proteins in the DNA double-strand break response

JA Klaric, S Wüst, S Panier - Frontiers in molecular biosciences, 2021 - frontiersin.org
DNA double-strand breaks (DSBs) are highly cytotoxic DNA lesions. To protect genomic
stability and ensure cell homeostasis, cells mount a complex signaling-based response that …

ZMYM2 restricts 53BP1 at DNA double-strand breaks to favor BRCA1 loading and homologous recombination

D Lee, K Apelt, SO Lee, HR Chan… - Nucleic acids …, 2022 - academic.oup.com
An inability to repair DNA double-strand breaks (DSBs) threatens genome integrity and can
contribute to human diseases, including cancer. Mammalian cells repair DSBs mainly …

GCNA interacts with spartan and topoisomerase II to regulate genome stability

GA Dokshin, GM Davis, AD Sawle, MD Eldridge… - Developmental cell, 2020 - cell.com
GCNA proteins are expressed across eukarya in pluripotent cells and have conserved
functions in fertility. GCNA homologs Spartan (DVC-1) and Wss1 resolve DNA-protein …

Exploring the structures and functions of macromolecular SLX4-nuclease complexes in genome stability

BJ Payliss, A Patel, AC Sheppard, HDM Wyatt - Frontiers in Genetics, 2021 - frontiersin.org
All organisms depend on the ability of cells to accurately duplicate and segregate DNA into
progeny. However, DNA is frequently damaged by factors in the environment and from …

The deSUMOylase SENP2 coordinates homologous recombination and nonhomologous end joining by independent mechanisms

AJ Garvin, AK Walker, RM Densham… - Genes & …, 2019 - genesdev.cshlp.org
SUMOylation (small ubiquitin-like modifier) in the DNA double-strand break (DSB) response
regulates recruitment, activity, and clearance of repair factors. However, our understanding …

[HTML][HTML] DoUBLing up: ubiquitin and ubiquitin-like proteases in genome stability

BM Foster, Z Wang, CK Schmidt - Biochemical Journal, 2024 - portlandpress.com
Maintaining stability of the genome requires dedicated DNA repair and signalling processes
that are essential for the faithful duplication and propagation of chromosomes. These DNA …