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Related Concept Videos

Viral Structure00:56

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.
Size and Structure of Viral Genomes01:26

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?00:50

What are Viruses?

Overview
Viruses with RNA Genomes01:29

Viruses with RNA Genomes

RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
Respiratory Syncytial Virus Disease01:29

Respiratory Syncytial Virus Disease

Human respiratory syncytial virus (RSV) is a widespread pathogen that primarily targets infants and young children but also poses a serious health risk to elderly and immunocompromised individuals. Belonging to the Pneumoviridae family, RSV is a negative-sense, single-stranded RNA virus within the Pneumovirus genus. Its global health burden is significant, with millions of cases annually resulting in hospitalizations and mortality, particularly in resource-limited settings. Although most...
Introduction to Virus01:28

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...

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Related Experiment Video

Updated: Jun 27, 2026

Generation and Assembly of Virus-Specific Nucleocapsids of the Respiratory Syncytial Virus
09:08

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

Published on: July 27, 2021

Adenoviruses: update on structure and function.

W C Russell1

  • 1School of Biology, Biomolecular Sciences Building, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, UK. wcr@st-andrews.ac.uk

The Journal of General Virology
|December 18, 2008
PubMed
Summary
This summary is machine-generated.

Adenoviruses, studied for decades, are key to understanding virus-cell interactions and gene therapy. Their structural proteins are crucial for infection outcomes and immune response, paving the way for better antiviral strategies.

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Area of Science:

  • Virology
  • Molecular Biology
  • Immunology

Background:

  • Adenoviruses have been extensively researched for over 50 years.
  • They serve as critical models for studying virus-cell interactions.
  • Adenoviruses are increasingly utilized as vectors in gene therapy.

Purpose of the Study:

  • To review the functional properties of adenovirus structural proteins.
  • To elucidate the role of these proteins in viral infection.
  • To understand their involvement in host-pathogen interactions and immune system induction.

Main Methods:

  • Review of existing literature on adenovirus structure and function.
  • Analysis of data from sophisticated structural analysis techniques.
  • Synthesis of information on the functional roles of individual viral proteins.

Main Results:

  • The disposition of most of the 13 structural proteins has been well-defined.
  • All structural proteins play a role in determining infection outcome.
  • These proteins function at all stages of the virus's interaction with the host cell.

Conclusions:

  • Adenovirus structural proteins are integral to the viral lifecycle and host cell manipulation.
  • Their primary role includes modulating the host immune system.
  • A comprehensive understanding of these proteins will facilitate the development of improved antiviral therapies.