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 …

APOBEC3B regulates R-loops and promotes transcription-associated mutagenesis in cancer

JL McCann, A Cristini, EK Law, SY Lee, M Tellier… - Nature Genetics, 2023 - nature.com
The single-stranded DNA cytosine-to-uracil deaminase APOBEC3B is an antiviral protein
implicated in cancer. However, its substrates in cells are not fully delineated. Here …

Advances in genome editing through control of DNA repair pathways

CD Yeh, CD Richardson, JE Corn - Nature cell biology, 2019 - nature.com
Eukaryotic cells deploy overlapping repair pathways to resolve DNA damage.
Advancements in genome editing take advantage of these pathways to produce permanent …

R-loops as cellular regulators and genomic threats

MP Crossley, M Bocek, KA Cimprich - Molecular cell, 2019 - cell.com
During transcription, the nascent RNA strand can base pair with its template DNA, displacing
the non-template strand as ssDNA and forming a structure called an R-loop. R-loops are …

[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 …

Endogenous DNA damage as a source of genomic instability in cancer

A Tubbs, A Nussenzweig - Cell, 2017 - cell.com
Genome instability, defined as higher than normal rates of mutation, is a double-edged
sword. As a source of genetic diversity and natural selection, mutations are beneficial for …

[HTML][HTML] Transcription-replication conflict orientation modulates R-loop levels and activates distinct DNA damage responses

S Hamperl, MJ Bocek, JC Saldivar, T Swigut… - Cell, 2017 - cell.com
Conflicts between transcription and replication are a potent source of DNA damage. Co-
transcriptional R-loops could aggravate such conflicts by creating an additional barrier to …

Whole genome experimental maps of DNA G-quadruplexes in multiple species

G Marsico, VS Chambers, AB Sahakyan… - Nucleic acids …, 2019 - academic.oup.com
Genomic maps of DNA G-quadruplexes (G4s) can help elucidate the roles that these
secondary structures play in various organisms. Herein, we employ an improved version of a …

[HTML][HTML] ERα-associated translocations underlie oncogene amplifications in breast cancer

JJK Lee, YL Jung, TC Cheong, J Espejo Valle-Inclan… - Nature, 2023 - nature.com
Focal copy-number amplification is an oncogenic event. Although recent studies have
revealed the complex structure,–and the evolutionary trajectories of oncogene amplicons …