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Viral Polymerases

  • Kyung H. Choi
Chapter
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 726)

Abstract

Viral polymerases play a central role in viral genome replication and transcription. Based on the genome type and the specific needs of particular virus, RNA-dependent RNA polymerase, RNA-dependent DNA polymerase, DNA-dependent RNA polymerase, and DNA-dependent RNA polymerases are found in various viruses. Viral polymerases are generally active as a single protein capable of carrying out multiple functions related to viral genome synthesis. Specifically, viral polymerases use variety of mechanisms to recognize initial binding sites, ensure processive elongation, terminate replication at the end of the genome, and also coordinate the chemical steps of nucleic acid synthesis with other enzymatic activities. This review focuses on different viral genome replication and transcription strategies, and the polymerase interactions with various viral proteins that are necessary to complete genome synthesis.

Keywords

Viral Polymerase Terminal Protein Polymerase Domain Noncatalytic Site Prime Terminus 
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.

Notes

Acknowledgments

I would like to thank Drs. Michael Rossmann, James Groarke, Marc Morais, Lucia Rothman-Denes, Peter Mason, and many colleagues who shared their passion for viruses with me throughout the years. The work is supported by NIH grants AI057156 and AI087856.

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© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of Biochemistry and Molecular BiologyUniversity of Texas Medical BranchGalvestonUSA

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