Signalling mechanisms and cellular functions of SUMO

ACO Vertegaal - Nature Reviews Molecular Cell Biology, 2022 - nature.com
Sumoylation is an essential post-translational modification that is catalysed by a small
number of modifying enzymes but regulates thousands of target proteins in a dynamic …

Human topoisomerases and their roles in genome stability and organization

Y Pommier, A Nussenzweig, S Takeda… - … Reviews Molecular Cell …, 2022 - nature.com
Human topoisomerases comprise a family of six enzymes: two type IB (TOP1 and
mitochondrial TOP1 (TOP1MT), two type IIA (TOP2A and TOP2B) and two type IA (TOP3A …

Untangling the roles of TOP2A and TOP2B in transcription and cancer

L Uusküla-Reimand, MD Wilson - Science advances, 2022 - science.org
Type II topoisomerases (TOP2) are conserved regulators of chromatin topology that catalyze
reversible DNA double-strand breaks (DSBs) and are essential for maintaining genomic …

Transcription-coupled DNA–protein crosslink repair by CSB and CRL4CSA-mediated degradation

M van Sluis, Q Yu, M van der Woude… - Nature Cell …, 2024 - nature.com
DNA–protein crosslinks (DPCs) arise from enzymatic intermediates, metabolism or
chemicals like chemotherapeutics. DPCs are highly cytotoxic as they impede DNA-based …

Transcription-coupled repair of DNA–protein cross-links depends on CSA and CSB

CJ Carnie, AC Acampora, AS Bader, C Erdenebat… - Nature Cell …, 2024 - nature.com
Covalent DNA–protein cross-links (DPCs) are toxic DNA lesions that block replication and
require repair by multiple pathways. Whether transcription blockage contributes to the …

The ubiquitin-dependent ATPase p97 removes cytotoxic trapped PARP1 from chromatin

DB Krastev, S Li, Y Sun, AJ Wicks, G Hoslett… - Nature cell …, 2022 - nature.com
Abstract Poly (ADP-ribose) polymerase (PARP) inhibitors elicit antitumour activity in
homologous recombination-defective cancers by trap** PARP1 in a chromatin-bound …

DNA–protein crosslinks and their resolution

P Weickert, J Stingele - Annual Review of Biochemistry, 2022 - annualreviews.org
Covalent DNA–protein crosslinks (DPCs) are pervasive DNA lesions that interfere with
essential chromatin processes such as transcription or replication. This review strives to …

Decitabine cytotoxicity is promoted by dCMP deaminase DCTD and mitigated by SUMO-dependent E3 ligase TOPORS

CJ Carnie, MJ Götz, CS Palma-Chaundler… - The EMBO …, 2024 - embopress.org
The nucleoside analogue decitabine (or 5-aza-dC) is used to treat several haematological
cancers. Upon its triphosphorylation and incorporation into DNA, 5-aza-dC induces covalent …

Electro-elution-based purification of covalent DNA–protein cross-links

P Weickert, S Dürauer, MJ Götz, HY Li, J Stingele - Nature Protocols, 2024 - nature.com
Covalent DNA–protein cross-links (DPCs) are pervasive DNA lesions that challenge
genome stability and can be induced by metabolic or chemotherapeutic cross-linking agents …

Concerted SUMO-targeted ubiquitin ligase activities of TOPORS and RNF4 are essential for stress management and cell proliferation

JCY Liu, L Ackermann, S Hoffmann, Z Gál… - Nature structural & …, 2024 - nature.com
Protein SUMOylation provides a principal driving force for cellular stress responses,
including DNA–protein crosslink (DPC) repair and arsenic-induced PML body degradation …