[HTML][HTML] Circular RNAs: Characterization, cellular roles, and applications

CX Liu, LL Chen - Cell, 2022 - cell.com
Most circular RNAs are produced from the back-splicing of exons of precursor mRNAs.
Recent technological advances have in part overcome problems with their circular …

Mechanisms of lncRNA biogenesis as revealed by nascent transcriptomics

T Nojima, NJ Proudfoot - Nature reviews Molecular cell biology, 2022 - nature.com
Mammalian genomes express two principal gene categories through RNA polymerase II-
mediated transcription: protein-coding transcription units and non-coding RNA transcription …

Human topoisomerases and their roles in genome stability and organization

Y Pommier, A Nussenzweig, S Takeda… - … Reviews Molecular Cell …, 2022 - nature.com
Human topoisomerases comprise a family of six enzymes: two type IB (TOP1 and
mitochondrial TOP1 (TOP1MT), two type IIA (TOP2A and TOP2B) and two type IA (TOP3A …

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 …

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 …

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 …

p53 at the crossroad of DNA replication and ribosome biogenesis stress pathways

MS Lindström, J Bartek, A Maya-Mendoza - Cell Death & Differentiation, 2022 - nature.com
Despite several decades of intense research focused on understanding function (s) and
disease-associated malfunction of p53, there is no sign of any “mid-life crisis” in this rapidly …

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 …