Related Experiment Video
Updated: Mar 24, 2026

04:52
Iterative Bleaching Extends Multiplicity with Use of Staining Automation for Core Facilities
Published on: August 6, 2025
702
Blending Quadruplexes and Bordeaux: A Grand Cru!
Liliya A Yatsunyk1, David Monchaud2, Dipankar Sen3
1Department of Chemistry and Biochemistry, Swarthmore College, Swarthmore, PA 19081, USA.
Cell Chemical Biology
|March 19, 2016
Summary
Quadruplex nucleic acids, once considered in vitro curiosities, are now revealing significant biological roles. This meeting highlighted key developments and emerging functions of these complex DNA and RNA structures.
Area of Science:
- Biochemistry and Molecular Biology
- Genetics and Genomics
Background:
- Quadruplex structures, including G-quadruplexes, are non-canonical nucleic acid formations.
- Historically viewed as in vitro artifacts, their biological relevance is increasingly recognized.
Framework:
- The Fifth International Meeting on Quadruplex Nucleic Acids convened in Bordeaux, France.
- The meeting focused on recent advancements and the expanding understanding of quadruplex structures.
Implementation:
- Discussions covered novel methodologies for quadruplex detection and characterization.
- Presentations showcased emerging biological contexts where quadruplexes play a functional role.
Implications:
- These findings challenge the traditional view of quadruplexes as mere laboratory curiosities.
- The research points towards significant, yet to be fully elucidated, roles in cellular processes.
- Further investigation into quadruplexes promises new insights into gene regulation and disease mechanisms.
Related Concept Videos
Fixing Double-strand Breaks
4.6K
4.6K
Fixing Double-strand Breaks
16.0K
The double-stranded structure of DNA has two major advantages. First, it serves as a safe repository of genetic information where one strand serves as the back-up in case the other strand is damaged. Second, the double-helical structure can be wrapped around proteins called histones to form nucleosomes, which can then be tightly wound to form chromosomes. This way, DNA chains up to 2 inches long can be contained within microscopic structures in a cell. A double-stranded break not only damages...
16.0K
Trihybrid Crosses
26.5K
Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...
26.5K
¹H NMR: Complex Splitting
2.1K
A proton M that is coupled to a proton X results in doublet signals for M. However, NMR-active nuclei can be simultaneously coupled to more than one nonequivalent nucleus. When M is coupled to a second proton A, such as in styrene oxide, each peak in the doublet is split into another doublet.
Splitting diagrams or splitting tree diagrams are routinely used to depict such complex couplings. While drawing splitting diagrams, the splitting with the larger coupling constant is usually applied...
Splitting diagrams or splitting tree diagrams are routinely used to depict such complex couplings. While drawing splitting diagrams, the splitting with the larger coupling constant is usually applied...
2.1K
Double Resonance Techniques: Overview
839
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
Spin decoupling is usually achieved by...
839
Maxam-Gilbert Sequencing
13.6K
In the same year as the discovery of the Sanger sequencing method, another group of scientists, Allan Maxam and Walter Gilbert, demonstrated their chemical-cleavage method for DNA sequencing. The Maxam-Gilbert method relies on using different chemicals that can cleave the DNA sequence at specific sites, the separation of resulting DNA fragments of variable size using electrophoresis, and deciphering the DNA sequence from the resulting gel bands.
Challenges of the Maxam-Gilbert Method
The...
Challenges of the Maxam-Gilbert Method
The...
13.6K

