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Poxviruses: past, present and future.

E J Lefkowitz1, C Wang, C Upton

  • 1Department of Microbiology, University of Alabama (Birmingham), AL 35294-2170, USA.

Virus Research
|March 1, 2006
PubMed
Summary
This summary is machine-generated.

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Poxvirus genome analysis is complex due to size and variable gene content. Comparative analyses reveal insights into poxvirus evolution, taxonomy, and host interactions.

Area of Science:

  • Virology
  • Genomics
  • Bioinformatics

Background:

  • Poxvirus genomes are large (130-360 kb) with variable gene content, complicating analysis.
  • Poxviruses infect diverse eukaryotic hosts and possess genes to counteract host antiviral responses.
  • In vitro passaging leads to gene mutations and deletions, impacting gene function.

Purpose of the Study:

  • To review comparative analyses of poxvirus genomes.
  • To explore gene prediction, conservation, function, and genome organization.
  • To discuss poxvirus taxonomy and evolution.

Main Methods:

  • Comparative genomic analysis.
  • Gene prediction and conservation studies.
  • Review of existing literature on poxvirus evolution and taxonomy.

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Main Results:

  • Identified a conserved set of 49 genes across all poxviruses and 41 in orthopoxviruses.
  • Highlighted the role of poxvirus genes in evading host immune responses.
  • Demonstrated the impact of in vitro culture on genome integrity.

Conclusions:

  • Comparative genomics is crucial for understanding poxvirus biology.
  • Poxvirus gene content reflects host-pathogen interactions and evolutionary history.
  • Further research is needed to fully elucidate poxvirus taxonomy and evolution.