The regulation and functions of DNA and RNA G-quadruplexes

D Varshney, J Spiegel, K Zyner, D Tannahill… - … reviews Molecular cell …, 2020 - nature.com
DNA and RNA can adopt various secondary structures. Four-stranded G-quadruplex (G4)
structures form through self-recognition of guanines into stacked tetrads, and considerable …

G-quadruplexes and their regulatory roles in biology

D Rhodes, HJ Lipps - Nucleic acids research, 2015 - academic.oup.com
Abstract 'If G-quadruplexes form so readily in vitro, Nature will have found a way of using
them in vivo'(Statement by Aaron Klug over 30 years ago). During the last decade, four …

RNA G-quadruplexes (rG4s): genomics and biological functions

K Lyu, EYC Chow, X Mou, TF Chan… - Nucleic acids …, 2021 - academic.oup.com
Abstract G-quadruplexes (G4s) are non-classical DNA or RNA secondary structures that
have been first observed decades ago. Over the years, these four-stranded structural motifs …

RNA G-quadruplexes in biology: principles and molecular mechanisms

MM Fay, SM Lyons, P Ivanov - Journal of molecular biology, 2017 - Elsevier
Abstract G-quadruplexes (G4s) are extremely stable DNA or RNA secondary structures
formed by sequences rich in guanine. These structures are implicated in many essential …

DNA G-quadruplex structures mold the DNA methylome

SQ Mao, AT Ghanbarian, J Spiegel… - Nature structural & …, 2018 - nature.com
Control of DNA methylation level is critical for gene regulation, and the factors that govern
hypomethylation at CpG islands (CGIs) are still being uncovered. Here, we provide evidence …

Visualization and selective chemical targeting of RNA G-quadruplex structures in the cytoplasm of human cells

G Biffi, M Di Antonio, D Tannahill… - Nature chemistry, 2014 - nature.com
Following extensive evidence for the formation of four-stranded DNA G-quadruplex
structures in vitro, DNA G-quadruplexes have been observed within human cells. Although …

Properties and biological impact of RNA G-quadruplexes: from order to turmoil and back

P Kharel, G Becker, V Tsvetkov… - Nucleic acids research, 2020 - academic.oup.com
Abstract Guanine-quadruplexes (G4s) are non-canonical four-stranded structures that can
be formed in guanine (G) rich nucleic acid sequences. A great number of G-rich sequences …

The G4 genome

N Maizels, LT Gray - PLoS genetics, 2013 - journals.plos.org
Recent experiments provide fascinating examples of how G4 DNA and G4 RNA structures—
aka quadruplexes—may contribute to normal biology and to genomic pathologies …

G-Quadruplex: a regulator of gene expression and its chemical targeting

T Tian, YQ Chen, SR Wang, X Zhou - Chem, 2018 - cell.com
Summary G-quadruplex (G4) is an important type of nucleic acid secondary structure. An
abundance of potential G4-forming sites have been shown to exist in genomes, leading to …

[HTML][HTML] Telomere-specific regulation of TERRA and its impact on telomere stability

J Rivosecchi, K Jurikova, E Cusanelli - Seminars in Cell & Developmental …, 2024 - Elsevier
TERRA is a class of telomeric repeat-containing RNAs that are expressed from telomeres in
multiple organisms. TERRA transcripts play key roles in telomere maintenance and their …