Dynamic alternative DNA structures in biology and disease

G Wang, KM Vasquez - Nature Reviews Genetics, 2023 - nature.com
Repetitive elements in the human genome, once considered 'junk DNA', are now known to
adopt more than a dozen alternative (that is, non-B) DNA structures, such as self-annealed …

Quadruplex nucleic acids as novel therapeutic targets

S Neidle - Journal of medicinal chemistry, 2016 - ACS Publications
Quadruplex-forming sequences are widely prevalent in human and other genomes,
including bacterial ones. These sequences are over-represented in eukaryotic telomeres …

pqsfinder: an exhaustive and imperfection-tolerant search tool for potential quadruplex-forming sequences in R

J Hon, T Martínek, J Zendulka, M Lexa - Bioinformatics, 2017 - academic.oup.com
Motivation G-quadruplexes (G4s) are one of the non-B DNA structures easily observed in
vitro and assumed to form in vivo. The latest experiments with G4-specific antibodies and G4 …

Noncanonical secondary structures arising from non-B DNA motifs are determinants of mutagenesis

I Georgakopoulos-Soares, S Morganella… - Genome …, 2018 - genome.cshlp.org
Somatic mutations show variation in density across cancer genomes. Previous studies have
shown that chromatin organization and replication time domains are correlated with, and …

Nucleolin stabilizes G-quadruplex structures folded by the LTR promoter and silences HIV-1 viral transcription

E Tosoni, I Frasson, M Scalabrin, R Perrone… - Nucleic acids …, 2015 - academic.oup.com
Folding of the LTR promoter into dynamic G-quadruplex conformations has been shown to
suppress its transcriptional activity in HIV-1. Here we sought to identify the proteins that …

Chemical biology of non-canonical structures of nucleic acids for therapeutic applications

H Tateishi-Karimata, N Sugimoto - Chemical Communications, 2020 - pubs.rsc.org
DNA forms not only the canonical duplex structure but also non-canonical structures. Most
potential sequences that induce the formation of non-canonical structures are present in …

G-quadruplexes in pathogens: a common route to virulence control?

LM Harris, CJ Merrick - PLoS pathogens, 2015 - journals.plos.org
DNA can form several secondary structures besides the classic double helix: one that has
received much attention in recent years is the G-quadruplex (G4). This is a stable four …

FACT is a sensor of DNA torsional stress in eukaryotic cells

A Safina, P Cheney, M Pal, L Brodsky… - Nucleic acids …, 2017 - academic.oup.com
Transitions of B-DNA to alternative DNA structures (ADS) can be triggered by negative
torsional strain, which occurs during replication and transcription, and may lead to genomic …

DNA supercoiling in bacteria: state of play and challenges from a viewpoint of physics based modeling

I Junier, E Ghobadpour, O Espeli… - Frontiers in …, 2023 - frontiersin.org
DNA supercoiling is central to many fundamental processes of living organisms. Its average
level along the chromosome and over time reflects the dynamic equilibrium of opposite …

Structure, properties, and biological relevance of the DNA and RNA G-quadruplexes: Overview 50 years after their discovery

NG Dolinnaya, AM Ogloblina, MG Yakubovskaya - Biochemistry (Moscow), 2016 - Springer
Abstract G-quadruplexes (G4s), which are known to have important roles in regulation of key
biological processes in both normal and pathological cells, are the most actively studied non …