Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Transfer RNA Synthesis02:36

Transfer RNA Synthesis

One of the unique features of tRNA is the presence of modified bases. In some tRNAs, modified bases account for nearly 20% of the total bases in the molecule. Altogether, these unusual bases protect the tRNA from enzymatic degradation by RNases.
Each of these chemical modifications is carried by a specific enzyme, post-transcription. All of these enzymes have unique base and site-specificity. Methylation, the most common chemical modification, is carried by at least nine different enzymes, with...
Transfer RNA Synthesis02:36

Transfer RNA Synthesis

One of the unique features of tRNA is the presence of modified bases. In some tRNAs, modified bases account for nearly 20% of the total bases in the molecule. Altogether, these unusual bases protect the tRNA from enzymatic degradation by RNases.
Each of these chemical modifications is carried by a specific enzyme, post-transcription. All of these enzymes have unique base and site-specificity. Methylation, the most common chemical modification, is carried by at least nine different enzymes, with...
RNA Structure01:23

RNA Structure

Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
RNA Structure01:19

RNA Structure

The basic structure of RNA consists of a string of ribonucleotides attached by phosphodiester bonds. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA) involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three...
RNA Structure01:23

RNA Structure

Overview
The basic structure of RNA consists of a five-carbon sugar and one of four nitrogenous bases. Although most RNA is single-stranded, it can form complex secondary and tertiary structures. Such structures play essential roles in the regulation of transcription and translation.
Different Types of RNA Have the Same Basic Structure
There are three main types of ribonucleic acid (RNA): messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). All three RNA types consist of a...
Leaky Scanning02:28

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R stands for...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

hexABC seeking the physical code of DNA.

Nature communications·2026
Same author

Prognostic impact of pleural effusion in acute heart failure and its link to diuretic therapy.

The American journal of medicine·2026
Same author

The NMR Exchange Format (NEF): Specification and Applications.

bioRxiv : the preprint server for biology·2026
Same author

Efficient exploration of peptide libraries using active learning with AlphaFold-based screening.

bioRxiv : the preprint server for biology·2026
Same author

Beyond Classical Force Fields: Physics-Driven Assessment of the Grappa Machine-Learned Force Field on the FoldBind Dataset.

Chemphyschem : a European journal of chemical physics and physical chemistry·2026
Same author

Loop Plasticity Drives Paralog-Specific Recognition in BET ET Domains.

Journal of chemical information and modeling·2026

Related Experiment Video

Updated: Jun 8, 2026

Nanomanipulation of Single RNA Molecules by Optical Tweezers
06:59

Nanomanipulation of Single RNA Molecules by Optical Tweezers

Published on: August 20, 2014

Toward a consensus view of duplex RNA flexibility.

Ignacio Faustino1, Alberto Pérez, Modesto Orozco

  • 1Joint Institute of IRB/BSC Program on Computational Biology, Institute of Research in Biomedicine, Barcelona, Spain.

Biophysical Journal
|September 23, 2010
PubMed
Summary
This summary is machine-generated.

This study uses molecular dynamics simulations to investigate RNA duplex structure and flexibility. Results reveal sequence-dependent elastic properties and highlight differences from DNA, aiding understanding of biological functions.

More Related Videos

Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution
10:27

Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution

Published on: July 8, 2019

Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation
12:26

Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation

Published on: February 12, 2022

Related Experiment Videos

Last Updated: Jun 8, 2026

Nanomanipulation of Single RNA Molecules by Optical Tweezers
06:59

Nanomanipulation of Single RNA Molecules by Optical Tweezers

Published on: August 20, 2014

Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution
10:27

Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution

Published on: July 8, 2019

Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation
12:26

Optical Tweezers to Study RNA-Protein Interactions in Translation Regulation

Published on: February 12, 2022

Area of Science:

  • Biophysics
  • Computational Biology
  • Molecular Biology

Background:

  • Understanding RNA duplex structure and flexibility is crucial for deciphering its diverse biological roles.
  • Previous studies on DNA duplex flexibility provide a basis for comparison.

Purpose of the Study:

  • To characterize the sequence-dependent elastic properties of RNA duplexes.
  • To compare RNA duplex flexibility with that of DNA duplexes.
  • To develop a mesoscopic model for genome-wide RNA flexibility analysis.

Main Methods:

  • Extended molecular dynamics (MD) simulations of four diverse 18-mer RNA oligonucleotides.
  • Utilized two leading nucleic acid force fields (AMBER and CHARMM) for simulations.
  • Analysis of RNA flexibility at different resolution levels.

Main Results:

  • No clear convergence in RNA duplex flexibility was found across tested force fields, unlike DNA duplexes.
  • One force field showed better agreement with experimental data for RNA flexibility.
  • Characterized sequence-dependent elastic properties of RNA duplexes, revealing similarities and differences compared to DNA.
  • Derived a mesoscopic model for RNA duplex flexibility.

Conclusions:

  • RNA duplex flexibility is sequence-dependent and exhibits unique characteristics compared to DNA.
  • The developed mesoscopic model can be applied to large-scale RNA flexibility studies.
  • Findings contribute to understanding the distinct biological functions of RNA and DNA.