ArticleInternational journal of molecular sciences2022
Structural Polymorphism of Guanine Quadruplex-Containing Regions in Human Promoters.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 14 citations in OpenAlex.
- Collision-induced transfer enhances ligand-binding kinetics in guanine quadruplex DNA.Nucleic acids research · 2026Article
- The Zuo1 C-terminal domain stabilizes DNA guanosine quadruplex (G4) structures located on Chromosome IX in Saccharomyces cerevisiae.Nucleic acids research · 2025Article
- GQ-DNABERT reveals GQ proximal enhancer-promoter interactions associated with tissue-specific transcription.Nucleic acids research · 2025Article
- Therapeutic Oligonucleotides for Neurodegenerative Diseases: Aptamer Strategies and Clay Nanoparticle-Based Delivery.Chemical record (New York, N.Y.) · 2025Review
- Effects of flanking regions on DNA i-motif folding and stability.Nucleic acids research · 2025Article
- Complex Biophysical and Computational Analyses of G-Quadruplex Ligands: The Porphyrin Stacks Back.Chemistry (Weinheim an der Bergstrasse, Germany) · 2024Article
- Special Issue "Bioinformatics of Unusual DNA and RNA Structures".International journal of molecular sciences · 2024Article
- Stabilization of G-Quadruplex Structures of the SARS-CoV-2 Genome by TMPyP4, BRACO19, and PhenDC3.International journal of molecular sciences · 2024Article
- The presence of a G-quadruplex prone sequence upstream of a minimal promoter increases transcriptional activity in the yeast Saccharomyces cerevisiae.Bioscience reports · 2023Article
- Higher-order G-quadruplexes in promoters are untapped drug targets.Frontiers in chemistry · 2023Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
Intramolecular guanine quadruplexes (G4s) are non-canonical nucleic acid structures formed by four guanine (G)-rich tracts that assemble into a core of stacked planar tetrads. G4-forming DNA sequences are enriched in gene promoters and are implicated in the control of gene expression. Most G4-forming DNA contains more G residues than can simultaneously be incorporated into the core resulting in a variety of different possible G4 structures. Although this kind of structural polymorphism is well recognized in the literature, there remain unanswered questions regarding possible connections between G4 polymorphism and biological function. Here we report a detailed bioinformatic survey of G4 polymorphism in human gene promoter regions. Our analysis is based on identifying G4-containing regions (G4CRs), which we define as stretches of DNA in which every residue can form part of a G4. We found that G4CRs with higher degrees of polymorphism are more tightly clustered near transcription sites and tend to contain G4s with shorter loops and bulges. Furthermore, we found that G4CRs with well-characterized biological functions tended to be longer and more polymorphic than genome-wide averages. These results represent new evidence linking G4 polymorphism to biological function and provide new criteria for identifying biologically relevant G4-forming regions from genomic data.
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