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 …

The Emerging Roles of Multimolecular G-Quadruplexes in Transcriptional Regulation and Chromatin Organization

NF Antariksa, M Di Antonio - Accounts of Chemical Research, 2024 - ACS Publications
Conspectus The ability of genomic DNA to adopt non-canonical secondary structures known
as G-quadruplexes (G4s) under physiological conditions has been recognized for its …

RNA structure promotes liquid-to-solid phase transition of short RNAs in neuronal dysfunction

S Wang, Y Xu - Communications Biology, 2024 - nature.com
In nucleotide expansion disorders, RNA foci are reportedly associated with
neurodegenerative disease pathogeneses. Characteristically, these RNAs exhibit long poly …

Artificially inserted strong promoter containing multiple G-quadruplexes induces long-range chromatin modification

SS Roy, S Bagri, S Vinayagamurthy, A Sengupta… - Elife, 2024 - elifesciences.org
Although the role of G-quadruplex (G4) DNA structures has been suggested in chromosomal
loo** this was not tested directly. Here, to test causal function, an array of G4s, or control …

Crystal Structure of an i‐Motif from the HRAS Oncogene Promoter

KS Li, D Jordan, LY Lin, SE McCarthy… - Angewandte …, 2023 - Wiley Online Library
An i‐motif is a non‐canonical DNA structure implicated in gene regulation and linked to
cancers. The C‐rich strand of the HRAS oncogene, 5′‐CG CCC GTG CCC TGCG CCC …

G-quadruplexes in nuclear biomolecular condensates

I Pavlova, M Iudin, A Surdina, V Severov, A Varizhuk - Genes, 2023 - mdpi.com
G-quadruplexes (G4s) have long been implicated in the regulation of chromatin packaging
and gene expression. These processes require or are accelerated by the separation of …

Conversion to Trimolecular G-Quadruplex by Spontaneous Hoogsteen Pairing-Based Strand Displacement Reaction between Bimolecular G-Quadruplex and Double …

W Hu, H **g, W Fu, Z Wang, J Zhou… - Journal of the American …, 2023 - ACS Publications
Bimolecular or tetramolecular G-quadruplexes (GQs) are predominantly self-assembled by
the same sequence-identical G-rich oligonucleotides and usually remain inert to the strand …

Predicting the Three-Dimensional Structure of the c-KIT Proto-Oncogene Promoter and the Dynamics of Its Strongly Coupled Guanine Quadruplexes

E Bignon, A Spinello, T Miclot, L D'anna… - The Journal of …, 2023 - ACS Publications
Guanine quadruplexes (G4s) play essential protective and regulatory roles within cells,
influencing gene expression. In several gene-promoter regions, multiple G4-forming …

G-quadruplex forming DNA sequence context is enriched around points of somatic mutations in a subset of multiple myeloma patients

AS Zhuk, EI Stepchenkova, IV Zotova… - International journal of …, 2024 - mdpi.com
Simple Summary Genomic instability is an important feature of cancer, including multiple
myeloma, which is the second most common hematological malignancy. There are several …

An i-motif-regulated enhancer, eRNA and adjacent lncRNA affect Lhb expression through distinct mechanisms in a sex-specific context

T Refael, M Sudman, G Golan, L Pnueli, S Naik… - Cellular and Molecular …, 2024 - Springer
Genome-wide studies have demonstrated regulatory roles for diverse non-coding elements,
but their precise and interrelated functions have often remained enigmatic. Addressing the …