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 …

Metal cations in G-quadruplex folding and stability

D Bhattacharyya, G Mirihana Arachchilage… - Frontiers in …, 2016 - frontiersin.org
This review is focused on the structural and physicochemical aspects of metal cation
coordination to G-Quadruplexes (GQ) and their effects on GQ stability and conformation. G …

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 …

G-quadruplexes: prediction, characterization, and biological application

CK Kwok, CJ Merrick - Trends in biotechnology, 2017 - cell.com
Guanine (G)-rich sequences in nucleic acids can assemble into G-quadruplex structures that
involve G-quartets linked by loop nucleotides. The structural and topological diversity of G …

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 …

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 …

rG4-seq reveals widespread formation of G-quadruplex structures in the human transcriptome

CK Kwok, G Marsico, AB Sahakyan, VS Chambers… - Nature …, 2016 - nature.com
We introduce RNA G-quadruplex sequencing (rG4-seq), a transcriptome-wide RNA G-
quadruplex (rG4) profiling method that couples rG4-mediated reverse transcriptase stalling …

METTL1 promotes let-7 MicroRNA processing via m7G methylation

L Pandolfini, I Barbieri, AJ Bannister, A Hendrick… - Molecular cell, 2019 - cell.com
methylguanosine (m7G) is present at mRNA caps and at defined internal positions within
tRNAs and rRNAs. However, its detection within low-abundance mRNAs and microRNAs …

RNA G-quadruplexes: emerging mechanisms in disease

A Cammas, S Millevoi - Nucleic acids research, 2017 - academic.oup.com
Abstract RNA G-quadruplexes (G4s) are formed by G-rich RNA sequences in protein-coding
(mRNA) and non-coding (ncRNA) transcripts that fold into a four-stranded conformation …

The diverse structural landscape of quadruplexes

HL Lightfoot, T Hagen, NJ Tatum, J Hall - FEBS letters, 2019 - Wiley Online Library
G‐quadruplexes are secondary structures formed in G‐rich sequences in DNA and RNA.
Considerable research over the past three decades has led to in‐depth insight into these …