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Updated: May 4, 2026
11:25
A G-quadruplex DNA-affinity Approach for Purification of Enzymatically Active G4 Resolvase1
Published on: March 18, 2017
8.8K
2D meets 4G: G-quadruplexes in RNA secondary structure prediction
Ronny Lorenz1, Stephan H Bernhart2, Jing Qin3
1University of Vienna, Vienna.
IEEE/ACM Transactions on Computational Biology and Bioinformatics
|December 17, 2013
Summary
Most human genome sequences likely form standard RNA structures, not G-quadruplexes. However, stable G-quadruplexes are found enriched in the 5
Area of Science:
- Molecular Biology
- Bioinformatics
- Genomics
Background:
- G-quadruplexes are stable nucleic acid structures.
- Predicting RNA structures is crucial for understanding gene regulation.
Purpose of the Study:
- To extend RNA structure prediction to include G-quadruplexes.
- To investigate the prevalence and location of G-quadruplexes in the human genome.
Main Methods:
- Utilized combinatorial theory and dynamic programming algorithms.
- Incorporated a plausible energy model for G-quadruplex formation.
- Analyzed human genome sequences for G-quadruplex potential.
Main Results:
- Most putative G-quadruplex sequences favor canonical RNA secondary structures.
- Stable G-quadruplexes are significantly enriched in the 5' untranslated regions (5'UTRs) of mRNAs.
- Preliminary energy parameters were used for analysis.
Conclusions:
- G-quadruplexes are less common than initially predicted in the general genome.
- The 5'UTR of mRNAs is a key genomic location for functional G-quadruplexes.
- Further research with refined energy models is warranted.
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