Walking a tightrope: the complex balancing act of R-loops in genome stability

JR Brickner, JL Garzon, KA Cimprich - Molecular cell, 2022 - cell.com
Although transcription is an essential cellular process, it is paradoxically also a well-
recognized cause of genomic instability. R-loops, non-B DNA structures formed when …

Causes and consequences of RNA polymerase II stalling during transcript elongation

M Noe Gonzalez, D Blears, JQ Svejstrup - Nature reviews Molecular …, 2021 - nature.com
The journey of RNA polymerase II (Pol II) as it transcribes a gene is anything but a smooth
ride. Transcript elongation is discontinuous and can be perturbed by intrinsic regulatory …

Target gene-independent functions of MYC oncoproteins

A Baluapuri, E Wolf, M Eilers - Nature Reviews Molecular Cell Biology, 2020 - nature.com
Oncoproteins of the MYC family are major drivers of human tumorigenesis. Since a large
body of evidence indicates that MYC proteins are transcription factors, studying their function …

The SWI/SNF chromatin remodeling complex helps resolve R-loop-mediated transcription–replication conflicts

A Bayona-Feliu, S Barroso, S Muñoz, A Aguilera - Nature genetics, 2021 - nature.com
ATP-dependent chromatin remodelers are commonly mutated in human cancer. Mammalian
SWI/SNF complexes comprise three conserved multisubunit chromatin remodelers (cBAF …

Mechanisms of oncogene-induced replication stress: jigsaw falling into place

P Kotsantis, E Petermann, SJ Boulton - Cancer discovery, 2018 - AACR
Oncogene activation disturbs cellular processes and accommodates a complex landscape
of changes in the genome that contribute to genomic instability, which accelerates mutation …

Topoisomerase 1 prevents replication stress at R-loop-enriched transcription termination sites

A Promonet, I Padioleau, Y Liu, L Sanz… - Nature …, 2020 - nature.com
R-loops have both positive and negative impacts on chromosome functions. To identify toxic
R-loops in the human genome, here, we map RNA: DNA hybrids, replication stress markers …

Transcription–replication conflicts: how they occur and how they are resolved

T García-Muse, A Aguilera - Nature reviews Molecular cell biology, 2016 - nature.com
The frequent occurrence of transcription and DNA replication in cells results in many
encounters, and thus conflicts, between the transcription and replication machineries. These …

Transcription-mediated replication hindrance: a major driver of genome instability

B Gómez-González, A Aguilera - Genes & development, 2019 - genesdev.cshlp.org
Genome replication involves dealing with obstacles that can result from DNA damage but
also from chromatin alterations, topological stress, tightly bound proteins or non-B DNA …

Conflict resolution in the genome: how transcription and replication make it work

S Hamperl, KA Cimprich - Cell, 2016 - cell.com
The complex machineries involved in replication and transcription translocate along the
same DNA template, often in opposing directions and at different rates. These processes …

Transcription–replication conflicts as a source of genome instability

L Goehring, TT Huang, DJ Smith - Annual review of genetics, 2023 - annualreviews.org
Transcription and replication both require large macromolecular complexes to act on a DNA
template, yet these machineries cannot simultaneously act on the same DNA sequence …