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 …

Cellular functions of long noncoding RNAs

RW Yao, Y Wang, LL Chen - Nature cell biology, 2019 - nature.com
A diverse catalog of long noncoding RNAs (lncRNAs), which lack protein-coding potential,
are transcribed from the mammalian genome. They are emerging as important regulators in …

Regulatory R-loops as facilitators of gene expression and genome stability

C Niehrs, B Luke - Nature reviews Molecular cell biology, 2020 - nature.com
R-loops are three-stranded structures that harbour an RNA–DNA hybrid and frequently form
during transcription. R-loop misregulation is associated with DNA damage, transcription …

Intertwining roles of R-loops and G-quadruplexes in DNA repair, transcription and genome organization

P Wulfridge, K Sarma - Nature Cell Biology, 2024 - nature.com
R-loops are three-stranded nucleic acid structures that are abundant and widespread across
the genome and that have important physiological roles in many nuclear processes. Their …

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 …

Exosomes in the hypoxic TME: from release, uptake and biofunctions to clinical applications

G He, X Peng, S Wei, S Yang, X Li, M Huang, S Tang… - Molecular Cancer, 2022 - Springer
Hypoxia is a remarkable trait of the tumor microenvironment (TME). When facing selective
pressure, tumor cells show various adaptive characteristics, such as changes in the …

TERRA and RAD51AP1 promote alternative lengthening of telomeres through an R-to D-loop switch

T Yadav, JM Zhang, J Ouyang, W Leung, A Simoneau… - Molecular cell, 2022 - cell.com
Alternative lengthening of telomeres (ALT), a telomerase-independent process maintaining
telomeres, is mediated by break-induced replication (BIR). RAD52 promotes ALT by …

The multidimensional mechanisms of long noncoding RNA function

FP Marchese, I Raimondi, M Huarte - Genome biology, 2017 - Springer
A major shift in our understanding of genome regulation has emerged recently. It is now
apparent that the majority of cellular transcripts do not code for proteins, and many of them …

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 …

PARP1 associates with R-loops to promote their resolution and genome stability

N Laspata, P Kaur, SY Mersaoui, D Muoio… - Nucleic acids …, 2023 - academic.oup.com
PARP1 is a DNA-dependent ADP-Ribose transferase with ADP-ribosylation activity that is
triggered by DNA breaks and non-B DNA structures to mediate their resolution. PARP1 was …