The structure and function of DNA G-quadruplexes

J Spiegel, S Adhikari, S Balasubramanian - Trends in Chemistry, 2020 - cell.com
Guanine-rich DNA sequences can fold into four-stranded, noncanonical secondary
structures called G-quadruplexes (G4s). G4s were initially considered a structural curiosity …

Origins of DNA replication in eukaryotes

Y Hu, B Stillman - Molecular cell, 2023 - cell.com
Errors occurring during DNA replication can result in inaccurate replication, incomplete
replication, or re-replication, resulting in genome instability that can lead to diseases such as …

DNA G-quadruplexes in the human genome: detection, functions and therapeutic potential

R Hänsel-Hertsch, M Di Antonio… - … reviews Molecular cell …, 2017 - nature.com
Single-stranded guanine-rich DNA sequences can fold into four-stranded DNA structures
called G-quadruplexes (G4s) that arise from the self-stacking of two or more guanine …

G-quadruplex structures mark human regulatory chromatin

R Hänsel-Hertsch, D Beraldi, SV Lensing, G Marsico… - Nature …, 2016 - nature.com
Abstract G-quadruplex (G4) structural motifs have been linked to transcription 1, 2,
replication 3 and genome instability 4, 5 and are implicated in cancer and other diseases 6 …

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 …

Control of DNA replication timing in the 3D genome

C Marchal, J Sima, DM Gilbert - Nature Reviews Molecular Cell Biology, 2019 - nature.com
The 3D organization of mammalian chromatin was described more than 30 years ago by
visualizing sites of DNA synthesis at different times during the S phase of the cell cycle …

Re-evaluation of G-quadruplex propensity with G4Hunter

A Bedrat, L Lacroix, JL Mergny - Nucleic acids research, 2016 - academic.oup.com
Critical evidence for the biological relevance of G-quadruplexes (G4) has recently been
obtained in seminal studies performed in a variety of organisms. Four-stranded G …

Topologically associating domains are stable units of replication-timing regulation

BD Pope, T Ryba, V Dileep, F Yue, W Wu, O Denas… - Nature, 2014 - nature.com
Eukaryotic chromosomes replicate in a temporal order known as the replication-timing
program. In mammals, replication timing is cell-type-specific with at least half the genome …

DNA replication origin activation in space and time

M Fragkos, O Ganier, P Coulombe… - Nature reviews Molecular …, 2015 - nature.com
DNA replication begins with the assembly of pre-replication complexes (pre-RCs) at
thousands of DNA replication origins during the G1 phase of the cell cycle. At the G1–S …

G-quadruplexes and helicases

O Mendoza, A Bourdoncle, JB Boulé… - Nucleic acids …, 2016 - academic.oup.com
Guanine-rich DNA strands can fold in vitro into non-canonical DNA structures called G-
quadruplexes. These structures may be very stable under physiological conditions …