Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Viral Structure

Viral Structure

Viruses are extraordinarily diverse in shape and size, but they all have several structural features in common. All viruses have a core that contains a DNA- or RNA-based genome. The core is surrounded by a protective coat of proteins called the capsid. The capsid is composed of subunits called capsomeres. The capsid and genome-containing core are together known as the nucleocapsid.

Introduction to Virus

Introduction to Virus

Viruses are unique biological entities that blur the boundary between living and non-living systems. Although they lack cellular structure and metabolic processes, they can exhibit characteristics of life when infecting a host. Their defining feature is a nucleic acid core, composed of either DNA or RNA, encapsulated within a protein coat called a capsid. This simple structure allows them to invade host cells and use their machinery for replication efficiently.Viral Structure and...

Size and Structure of Viral Genomes

Size and Structure of Viral Genomes

Viral genomes exhibit remarkable diversity in size, structure, and composition, influencing their replication strategies and interactions with host cells. These genomes consist of either DNA or RNA and may be linear or circular. Additionally, they can be single-stranded or double-stranded, with each configuration affecting how the virus propagates within a host. RNA viruses, for instance, generally have smaller genomes than DNA viruses, a factor that contributes to their high mutation rates and...

What are Viruses?

What are Viruses?

Viruses of Archaea

Viruses of Archaea

Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...

Intracellular Movement of Viruses and Bacteria

Intracellular Movement of Viruses and Bacteria

Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a virus that...

You might also read

Related Articles

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

Sort by

Same author

Achievement of Target Gain Larger than Unity in an Inertial Fusion Experiment.

Physical review letters·2024

Same author

Lawson Criterion for Ignition Exceeded in an Inertial Fusion Experiment.

Physical review letters·2022

Same author

The role of tissue type, sampling and nucleic acid purification methodology on the inferred composition of Pacific oyster (Crassostrea gigas) microbiome.

Journal of applied microbiology·2019

Same author

Mechanisms of resonant low frequency Raman scattering from metallic nanoparticle Lamb modes.

The Journal of chemical physics·2017

Same author

Mechanical Coupling in Gold Nanoparticles Supermolecules Revealed by Plasmon-Enhanced Ultralow Frequency Raman Spectroscopy.

Nano letters·2016

Same author

Nanoscale mapping of catalytic activity using tip-enhanced Raman spectroscopy.

Nanoscale·2015

Search research articles

Related Experiment Video

Updated: Jul 14, 2026

Analysis of the Solvent Accessibility of Cysteine Residues on Maize rayado fino virus Virus-like Particles Produced in Nicotiana benthamiana Plants and Cross-linking of Peptides to VLPs

Analysis of the Solvent Accessibility of Cysteine Residues on Maize rayado fino virus Virus-like Particles Produced in Nicotiana benthamiana Plants and Cross-linking of Peptides to VLPs

Published on: February 14, 2013

Elastic properties of viruses.

B Stephanidis¹, S Adichtchev, P Gouet

¹Laboratoire de Physico-Chimie des Matériaux Luminescents, Université Lyon 1, Villeurbanne, France.

Biophysical Journal

|May 29, 2007

Summary

Researchers studied the elastic properties of Satellite Tobacco Mosaic Virus using inelastic light scattering. They found no evidence of virus particle modes, despite favorable conditions for detection.

Area of Science:

Biophysics
Materials Science
Nanotechnology

Background:

Viruses are biological nanoparticles with largely unknown elastic and dynamical properties.
Characterizing these properties is crucial for understanding viral mechanics and interactions.

Purpose of the Study:

To investigate the elastic and dynamical properties of Satellite Tobacco Mosaic Virus (STMV).
To determine sound velocities and search for localized vibrational modes in STMV microcrystals.

Main Methods:

Inelastic (Brillouin) light scattering was employed to analyze STMV microcrystals.
Longitudinal sound velocities were measured in both wet and dry conditions.
Data was compared with those of lysozyme protein crystals.

More Related Videos

Alternative In Vitro Methods for the Determination of Viral Capsid Structural Integrity

Alternative In Vitro Methods for the Determination of Viral Capsid Structural Integrity

Published on: November 16, 2017

Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus

Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus

Published on: July 27, 2021

Related Experiment Videos

Last Updated: Jul 14, 2026

Analysis of the Solvent Accessibility of Cysteine Residues on Maize rayado fino virus Virus-like Particles Produced in Nicotiana benthamiana Plants and Cross-linking of Peptides to VLPs

Analysis of the Solvent Accessibility of Cysteine Residues on Maize rayado fino virus Virus-like Particles Produced in Nicotiana benthamiana Plants and Cross-linking of Peptides to VLPs

Published on: February 14, 2013

Alternative In Vitro Methods for the Determination of Viral Capsid Structural Integrity

Alternative In Vitro Methods for the Determination of Viral Capsid Structural Integrity

Published on: November 16, 2017

Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus

Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus

Published on: July 27, 2021

Main Results:

Longitudinal sound velocities were determined for STMV crystals.
No firm evidence of virus particle modes was detected, even under optimal conditions.
Observed scattering signals were attributed to the crystal lattice rather than individual viral particles.

Conclusions:

The study provides insights into the mechanical properties of viruses at the nanoscale.
The absence of detectable particle modes suggests specific constraints or behaviors of viruses within microcrystals.
Further research may be needed to explore alternative methods or conditions for detecting viral particle modes.