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 …

[HTML][HTML] 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 …

[HTML][HTML] Detection of alternative DNA structures and its implications for human disease

G Matos-Rodrigues, JA Hisey, A Nussenzweig… - Molecular cell, 2023 - cell.com
Around 3% of the genome consists of simple DNA repeats that are prone to forming
alternative (non-B) DNA structures, such as hairpins, cruciforms, triplexes (H-DNA), four …

G-quadruplex DNA: a novel target for drug design

FY Teng, ZZ Jiang, M Guo, XZ Tan, F Chen… - Cellular and Molecular …, 2021 - Springer
Abstract G-quadruplex (G4) DNA is a type of quadruple helix structure formed by a
continuous guanine-rich DNA sequence. Emerging evidence in recent years authenticated …

G-quadruplex DNA structures in human stem cells and differentiation

KG Zyner, A Simeone, SM Flynn, C Doyle… - Nature …, 2022 - nature.com
The establishment of cell identity during embryonic development involves the activation of
specific gene expression programmes and is underpinned by epigenetic factors including …

Crosstalk between G-quadruplex and ROS

S Wu, L Jiang, L Lei, C Fu, J Huang, Y Hu… - Cell Death & …, 2023 - nature.com
The excessive production of reactive oxygen species (ROS) can lead to single nucleic acid
base damage, DNA strand breakage, inter-and intra-strand cross-linking of nucleic acids …

Advances and challenges in identifying and characterizing G-quadruplex–protein interactions

Y Dai, X Teng, Q Zhang, H Hou, J Li - Trends in Biochemical Sciences, 2023 - cell.com
G-quadruplexes (G4s) are peculiar nucleic acid secondary structures formed by DNA or
RNA and are considered as fundamental features of the genome. Many proteins can …

Genome-wide analysis of DNA G-quadruplex motifs across 37 species provides insights into G4 evolution

F Wu, K Niu, Y Cui, C Li, M Lyu, Y Ren, Y Chen… - Communications …, 2021 - nature.com
Abstract G-quadruplex (G4) structures have been predicted in the genomes of many
organisms and proven to play regulatory roles in diverse cellular activities. However, there is …

Non-duplex G-quadruplex structures emerge as mediators of epigenetic modifications

AK Mukherjee, S Sharma, S Chowdhury - Trends in Genetics, 2019 - cell.com
The role of non-duplex DNA, the guanine-quadruplex structure in particular, is becoming
widely appreciated. Increasing evidence in the last decade implicates quadruplexes in …

G-quadruplexes and associated proteins in aging and Alzheimer's disease

MJ Vijay Kumar, R Morales, AS Tsvetkov - Frontiers in Aging, 2023 - frontiersin.org
Aging is a prominent risk factor for many neurodegenerative disorders, such as Alzheimer's
disease (AD). Alzheimer's disease is characterized by progressive cognitive decline …