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Studies on Tanapox virus.

J C Knight1, F J Novembre, D R Brown

  • 1Division of Viral and Rickettsial Diseases, Centers for Disease Control, Atlanta, Georgia 30333.

Virology
|September 1, 1989
PubMed
Summary
This summary is machine-generated.

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Characterization of Tanapox virus, Yaba-like disease (YLD) virus, and Yaba monkey tumor virus (YMTV) supports a new poxvirus genus, Yatapoxvirus. This genus includes Tanapox virus and YMTV as distinct species.

Area of Science:

  • Virology
  • Molecular Biology
  • Taxonomy

Background:

  • Tanapox virus, Yaba-like disease (YLD) virus, and Yaba monkey tumor virus (YMTV) are serologically related but unclassified poxviruses.
  • Tanapox virus causes human skin lesions, YLD virus causes lesions in monkeys, and YMTV causes monkey skin tumors.

Purpose of the Study:

  • To clarify the taxonomic status of Tanapox virus, YLD virus, and YMTV.
  • To establish a new genus within the Poxviridae family based on comparative analysis.

Main Methods:

  • Microscopic observation of Tanapox virus cytopathic effects and morphogenesis.
  • Analysis of Tanapox virus virion proteins using SDS-PAGE.
  • Restriction endonuclease DNA digestion and comparison of Tanapox virus, YLD virus, and YMTV.

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Main Results:

  • Six recent Tanapox virus isolates were identical to the 1957 Kenya strain.
  • Restriction site mapping differentiated Tanapox virus and YLD virus as separate strains.
  • YMTV shared few restriction sites with Tanapox and YLD viruses, despite extensive cross-hybridization.

Conclusions:

  • The data support the creation of a new poxvirus genus, Yatapoxvirus.
  • Yatapoxvirus would comprise two species: Tanapox virus and YMTV.
  • This classification refines the taxonomy of clinically relevant poxviruses.