Sources, resolution and physiological relevance of R-loops and RNA–DNA hybrids

E Petermann, L Lan, L Zou - Nature reviews Molecular cell biology, 2022 - nature.com
RNA–DNA hybrids are generated during transcription, DNA replication and DNA repair and
are crucial intermediates in these processes. When RNA–DNA hybrids are stably formed in …

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 …

[HTML][HTML] R loops: from physiological to pathological roles

T García-Muse, A Aguilera - Cell, 2019 - cell.com
DNA-RNA hybrids play a physiological role in cellular processes, but often, they represent
non-scheduled co-transcriptional structures with a negative impact on transcription …

RNA/DNA hybrid interactome identifies DXH9 as a molecular player in transcriptional termination and R-loop-associated DNA damage

A Cristini, M Groh, MS Kristiansen, N Gromak - Cell reports, 2018 - cell.com
R-loops comprise an RNA/DNA hybrid and displaced single-stranded DNA. They play
important biological roles and are implicated in pathology. Even so, proteins recognizing …

R loops: new modulators of genome dynamics and function

JM Santos-Pereira, A Aguilera - Nature Reviews Genetics, 2015 - nature.com
R loops are nucleic acid structures composed of an RNA–DNA hybrid and a displaced
single-stranded DNA. Recently, evidence has emerged that R loops occur more often in the …

Prevalent, dynamic, and conserved R-loop structures associate with specific epigenomic signatures in mammals

LA Sanz, SR Hartono, YW Lim, S Steyaert, A Rajpurkar… - Molecular cell, 2016 - cell.com
R-loops are three-stranded nucleic acid structures formed upon annealing of an RNA strand
to one strand of duplex DNA. We profiled R-loops using a high-resolution, strand-specific …

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 …

R loops: from transcription byproducts to threats to genome stability

A Aguilera, T García-Muse - Molecular cell, 2012 - cell.com
RNA: DNA hybrid structures known as R loops were thought to be rare byproducts of
transcription. In the last decade, however, accumulating evidence has pointed to a new view …

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 …

BRCA2 prevents R-loop accumulation and associates with TREX-2 mRNA export factor PCID2

V Bhatia, SI Barroso, ML García-Rubio, E Tumini… - Nature, 2014 - nature.com
Genome instability is central to ageing, cancer and other diseases. It is not only proteins
involved in DNA replication or the DNA damage response (DDR) that are important for …