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 …
recognized cause of genomic instability. R-loops, non-B DNA structures formed when …
R-loops as Janus-faced modulators of DNA repair
A Marnef, G Legube - Nature cell biology, 2021 - nature.com
R-loops are non-B DNA structures with intriguing dual consequences for gene expression
and genome stability. In addition to their recognized roles in triggering DNA double-strand …
and genome stability. In addition to their recognized roles in triggering DNA double-strand …
Exportin 4 depletion leads to nuclear accumulation of a subset of circular RNAs
L Chen, Y Wang, J Lin, Z Song, Q Wang… - Nature …, 2022 - nature.com
Numerous RNAs are exported from the nucleus, abnormalities of which lead to cellular
complications and diseases. How thousands of circular RNAs (circRNAs) are exported from …
complications and diseases. How thousands of circular RNAs (circRNAs) are exported from …
Impact of spliceosome mutations on RNA splicing in myelodysplasia: dysregulated genes/pathways and clinical associations
A Pellagatti, RN Armstrong, V Steeples… - Blood, The Journal …, 2018 - ashpublications.org
Abstract SF3B1, SRSF2, and U2AF1 are the most frequently mutated splicing factor genes in
the myelodysplastic syndromes (MDS). We have performed a comprehensive and …
the myelodysplastic syndromes (MDS). We have performed a comprehensive and …
RNA biogenesis and RNA metabolism factors as R-loop suppressors: a hidden role in genome integrity
R Luna, B Gómez-González… - Genes & …, 2024 - genesdev.cshlp.org
Genome integrity relies on the accuracy of DNA metabolism, but as appreciated for more
than four decades, transcription enhances mutation and recombination frequencies. More …
than four decades, transcription enhances mutation and recombination frequencies. More …
A R-loop sensing pathway mediates the relocation of transcribed genes to nuclear pore complexes
A Penzo, M Dubarry, C Brocas, M Zheng… - Nature …, 2023 - nature.com
Nuclear pore complexes (NPCs) have increasingly recognized interactions with the
genome, as exemplified in yeast, where they bind transcribed or damaged chromatin. By …
genome, as exemplified in yeast, where they bind transcribed or damaged chromatin. By …
GBPL3 localizes to the nuclear pore complex and functionally connects the nuclear basket with the nucleoskeleton in plants
The nuclear basket (NB) is an essential structure of the nuclear pore complex (NPC) and
serves as a dynamic and multifunctional platform that participates in various critical nuclear …
serves as a dynamic and multifunctional platform that participates in various critical nuclear …
Efficient pre-mRNA cleavage prevents replication-stress-associated genome instability
Cellular mechanisms that safeguard genome integrity are often subverted in cancer. To
identify cancer-related genome caretakers, we employed a convergent multi-screening …
identify cancer-related genome caretakers, we employed a convergent multi-screening …
DNA-RNA hybrids at DSBs interfere with repair by homologous recombination
P Ortega, JA Mérida-Cerro, AG Rondón… - Elife, 2021 - elifesciences.org
DNA double-strand breaks (DSBs) are the most harmful DNA lesions and their repair is
crucial for cell viability and genome integrity. The readout of DSB repair may depend on …
crucial for cell viability and genome integrity. The readout of DSB repair may depend on …
Yra1-bound RNA–DNA hybrids cause orientation-independent transcription–replication collisions and telomere instability
R loops are an important source of genome instability, largely due to their negative impact
on replication progression. Yra1/ALY is an abundant RNA-binding factor conserved from …
on replication progression. Yra1/ALY is an abundant RNA-binding factor conserved from …