Molecular rotors: Fluorescent sensors for microviscosity and conformation of biomolecules

M Paez‐Perez, MK Kuimova - Angewandte Chemie, 2024 - Wiley Online Library
The viscosity and crowding of biological environment are considered vital for the correct
cellular function, and alterations in these parameters are known to underly a number of …

[HTML][HTML] Noncanonical DNA structures are drivers of genome evolution

KD Makova, MH Weissensteiner - Trends in Genetics, 2023 - cell.com
In addition to the canonical right-handed double helix, other DNA structures, termed 'non-B
DNA', can form in the genomes across the tree of life. Non-B DNA regulates multiple cellular …

Genome-wide map** of i-motifs reveals their association with transcription regulation in live human cells

I Zanin, E Ruggiero, G Nicoletto, S Lago… - Nucleic Acids …, 2023 - academic.oup.com
Abstract i-Motifs (iMs) are four-stranded DNA structures that form at cytosine (C)-rich
sequences in acidic conditions in vitro. Their formation in cells is still under debate. We …

G-quadruplexes associated with R-loops promote CTCF binding

P Wulfridge, Q Yan, N Rell, J Doherty, S Jacobson… - Molecular cell, 2023 - cell.com
CTCF is a critical regulator of genome architecture and gene expression that binds
thousands of sites on chromatin. CTCF genomic localization is controlled by the recognition …

Targeting specific DNA G-quadruplexes with CRISPR-guided G-quadruplex-binding proteins and ligands

G Qin, Z Liu, J Yang, X Liao, C Zhao, J Ren, X Qu - Nature Cell Biology, 2024 - nature.com
Despite the demonstrated importance of DNA G-quadruplexes (G4s) in health and disease,
technologies to readily manipulate specific G4 folding for functional analysis and therapeutic …

Genome-wide map** of G-quadruplex structures with CUT&Tag

J Lyu, R Shao, PY Kwong Yung… - Nucleic acids …, 2022 - academic.oup.com
Single-stranded genomic DNA can fold into G-quadruplex (G4) structures or form DNA: RNA
hybrids (R loops). Recent evidence suggests that such non-canonical DNA structures affect …

SMARCAL1 is a dual regulator of innate immune signaling and PD-L1 expression that promotes tumor immune evasion

G Leuzzi, A Vasciaveo, A Taglialatela, X Chen… - Cell, 2024 - cell.com
Genomic instability can trigger cancer-intrinsic innate immune responses that promote tumor
rejection. However, cancer cells often evade these responses by overexpressing immune …

G-quadruplex DNA: a longer story

RC Monsen, JO Trent, JB Chaires - Accounts of chemical …, 2022 - ACS Publications
Conspectus G-quadruplexes (G4s) are distinctive four-stranded DNA or RNA structures
found within cells that are thought to play functional roles in gene regulation and …

Structural basis of pyridostatin and its derivatives specifically binding to G-quadruplexes

LY Liu, TZ Ma, YL Zeng, W Liu… - Journal of the American …, 2022 - ACS Publications
The nucleic acid G-quadruplex (G4) has emerged as a promising therapeutic target for a
variety of diseases such as cancer and neurodegenerative disease. Among small-molecule …

Genome-wide map** of G-quadruplex DNA: a step-by-step guide to select the most effective method.

S Galli, G Flint, L Ruzicková, M Di Antonio - RSC Chemical Biology, 2024 - pubs.rsc.org
The development of methods that enabled genome-wide map** of DNA G-quadruplex
structures in chromatin has played a critical role in providing evidence to support the …