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Virion Polymerases

  • David H. L. Bishop
Chapter

Abstract

The biological importance of virion polymerases to the infection process of viruses can be gauged from the fact that many groups of viruses possess virion nucleic acid polymerases of one form or another. A list of those animal RNA virus groups (and their members) shown to possess RNA-directed RNA polymerases (RNA transcriptases) is given in Table 1. Included are representatives of the arena-viruses, bunyaviruses (and bunyaviruslike viruses), orthomyxoviruses, paramyxoviruses, reoviruses (diplornaviruses), and rhabdoviruses. Oncornaviruses and similar virus types (e.g., visna) possess an RNA-and DNA-directed DNA polymerase, otherwise known as a reverse transcriptase (Table 2). Of the various DNA virus groups, the poxviruses and possibly the icosahedral cytoplasmic deoxyriboviruses possess a virion DNA-instructed RNA polymerase (Table 3). Virus isolated from patients with serum hepatitis appears to possess a DNA-directed DNA polymerase.

Keywords

Newcastle Disease Virus Vesicular Stomatitis Virus Rous Sarcoma Virus Reverse Transcriptase Activity Virion Polymerase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1977

Authors and Affiliations

  • David H. L. Bishop
    • 1
  1. 1.Department of MicrobiologyThe Medical Center University of Alabama in BirminghamBirminghamUSA

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