The many faces of the helicase RTEL1 at telomeres and beyond

N Hourvitz, A Awad, Y Tzfati - Trends in Cell Biology, 2024 - cell.com
Regulator of telomere elongation 1 (RTEL1) is known as a DNA helicase that is important for
telomeres and genome integrity. However, the diverse phenotypes of RTEL1 dysfunction …

Single-Macromolecule Studies of Eukaryotic Genomic Maintenance

S Rudnizky, PJ Murray, CH Wolfe… - Annual Review of …, 2024 - annualreviews.org
Genomes are self-organized and self-maintained as long, complex macromolecules of
chromatin. The inherent heterogeneity, stochasticity, phase separation, and chromatin …

A TeZla micromixer for interrogating the early and broad folding landscape of G-quadruplex via multistage velocity descending

Z Li, R Hu, T Li, J Zhu, H You, Y Li… - Proceedings of the …, 2024 - National Acad Sciences
Biomacromolecular folding kinetics involves fast folding events and broad timescales.
Current techniques face limitations in either the required time resolution or the observation …

BG4 antibody can recognize telomeric G-quadruplexes harboring destabilizing base modifications and lesions

SA Johnson, T Paul, SL Sanford… - Nucleic Acids …, 2024 - academic.oup.com
BG4 is a single-chain variable fragment antibody shown to bind various G-quadruplex (GQ)
topologies with high affinity and specificity, and to detect GQ in cells, including GQ structures …

Mind your tag in single-molecule measurements

RM Urteaga, T Ha - Cell Reports Methods, 2023 - cell.com
In this issue of Cell Reports Methods, Molina and colleagues use in vitro single-molecule
DNA flow-stretching to demonstrate the severe effects of appending a short lysine-cysteine …

Slow G-Quadruplex Conformation Rearrangement and Accessibility Change Induced by Potassium in Human Telomeric Single-Stranded DNA

AN Lacen, A Symasek, A Gunter… - The Journal of Physical …, 2024 - ACS Publications
The guanine-rich telomeric repeats can form G-quadruplexes (G4s) that alter the
accessibility of the single-stranded telomeric overhang. In this study, we investigated the …

[HTML][HTML] Simultaneous probing of transcription, G-quadruplex, and R-loop

T Paul, L Yang, CY Lee, S Myong - Methods in enzymology, 2024 - pmc.ncbi.nlm.nih.gov
DNA and RNA can form various non-canonical secondary structures, including G-
quadruplex (G4) and R-loops. These structures are considered transcriptional regulatory …

Structure-Function Analysis of Single-Stranded DNA Managers CTC1-STN1-TEN1 and Replication Protein A

AT Barbour - 2022 - search.proquest.com
Telomeres are nucleoprotein structures at the end of linear chromosomes that eukaryotes
evolved to solve the end-replication and end-protection problems. Telomeres contain a long …