Methods for Studying Interactions Between Simian Virus 40 T-Antigen and the Viral Origin of Replication

  • Kodangattil R. Sreekumar
  • Brett A. Barbaro
  • Andrea E. Prack
  • Peter A. Bullock
Part of the Methods in Molecular Biology™ book series (MIMB, volume 165)

Abstract

The Simian virus 40 (SV40) DNA replication system has served as a useful model for studies of DNA synthesis in eukaryotes [for reviews, see (1,2)]. One major advantage of this system is that, with the exception of one viral protein, termed T-antigen (T-ag), all of the proteins required for DNA replication are supplied by cells that are permissive for SV40 replication (3). Because the virus depends on host proteins for replication (4), the SV40 system has been used to identify many of the proteins required for DNA synthesis in eukaryotes [for reviews, see (5-7)]. Moreover, because T-ag binds to the SV40 origin of replication in a site-specific manner, this system has provided many insights into the protein-DNA interactions taking place at a eukaryotic origin during initiation of DNA replication [for reviews see (1,8)]. Insights gained into the initiation on the SV40 origin are likely to be relevant to initiation events at other origins, because complicated biochemical processes are not believed to change radically once solved by evolution (9).

Keywords

Cellulose Urea EDTA Fluoride Adenosine 

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Copyright information

© Humana Press Inc., Totowa, NJ 2001

Authors and Affiliations

  • Kodangattil R. Sreekumar
    • 1
  • Brett A. Barbaro
    • 1
  • Andrea E. Prack
    • 1
  • Peter A. Bullock
    • 1
  1. 1.Department of BiochemistryTufts University School of MedicineBoston

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