Identification of RNA structures and their roles in RNA functions

X Cao, Y Zhang, Y Ding, Y Wan - Nature Reviews Molecular Cell …, 2024 - nature.com
The development of high-throughput RNA structure profiling methods in the past decade has
greatly facilitated our ability to map and characterize different aspects of RNA structures …

RNA G-quadruplexes and stress: emerging mechanisms and functions

P Kharel, P Ivanov - Trends in Cell Biology, 2024 - cell.com
RNA G-quadruplexes (rG4s) are noncanonical secondary structures formed by guanine-rich
sequences that are found in different regions of RNA molecules. These structures have been …

G-quadruplexes control hepatitis B virus replication by promoting cccDNA transcription and phase separation in hepatocytes

G Giraud, M Rodà, P Huchon, M Michelet… - Nucleic Acids …, 2024 - academic.oup.com
Phase separation regulates fundamental processes in gene expression and is mediated by
the local concentration of proteins and nucleic acids, as well as nucleic acid secondary …

Recognition and coacervation of G-quadruplexes by a multifunctional disordered region in RECQ4 helicase

AC Papageorgiou, M Pospisilova, J Cibulka… - Nature …, 2023 - nature.com
Biomolecular polyelectrolyte complexes can be formed between oppositely charged
intrinsically disordered regions (IDRs) of proteins or between IDRs and nucleic acids. Highly …

Tuning Material States and Functionalities of G-Quadruplex-Modulated RNA-Peptide Condensates

W Guo, D Ji, AB Kinghorn, F Chen, Y Pan… - Journal of the …, 2023 - ACS Publications
RNA encodes sequence-and structure-dependent interactions to modulate the assembly
and properties of biomolecular condensates. RNA G-quadruplexes (rG4s) formed by …

Single-molecular dissection of liquid–liquid phase transitions

P Pokhrel, S Jonchhe, W Pan… - Journal of the American …, 2023 - ACS Publications
Interaction between peptides and nucleic acids is a ubiquitous process that drives many
cellular functions, such as replications, transcriptions, and translations. Recently, this …

Liquid-liquid phase separation (LLPS) in DNA and chromatin systems from the perspective of colloid physical chemistry

L Nordenskiöld, X Shi, N Korolev, L Zhao, Z Zhai… - Advances in Colloid and …, 2024 - Elsevier
DNA is a highly charged polyelectrolyte and is prone to associative phase separation driven
by the presence of multivalent cations, charged surfactants, proteins, polymers and colloids …

G-quadruplexes promote the motility in MAZ phase-separated condensates to activate CCND1 expression and contribute to hepatocarcinogenesis

W Wang, D Li, Q Xu, J Cheng, Z Yu, G Li, S Qiao… - Nature …, 2024 - nature.com
Abstract G-quadruplexes (G4s) can recruit transcription factors to activate gene expression,
but detailed mechanisms remain enigmatic. Here, we demonstrate that G4s in the CCND1 …

Controlling liquid–liquid phase separation of G-quadruplex-forming RNAs in a sequence-specific manner

M Tsuruta, T Torii, K Kohata, K Kawauchi… - Chemical …, 2022 - pubs.rsc.org
We constructed a minimum liquid–liquid phase separation model system to form liquid
droplets using only G-quadruplex-forming oligonucleotides and R-and G-rich oligopeptides …

Liquid–liquid crystalline phase separation in biomolecular solutions

TP Fraccia, G Zanchetta - Current Opinion in Colloid & Interface Science, 2021 - Elsevier
Liquid–liquid phase separation (LLPS) and liquid crystalline (LC) ordering are ubiquitous
phenomena in nature, in a variety of biomolecular solutions. Here, we review instances in …