Efficient infection of monkey cells with DNA of simian virus 40.

  title={Efficient infection of monkey cells with DNA of simian virus 40.},
  author={L M Sompayrac and Kathleen J. Danna},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={78 12},
With standard protocols for DNA infection, only a small fraction (about 4%) of monkey cells exposed to purified DNA of simian virus 40 (SV40) exhibits signs of infection. We have devised a protocol by which we can extend the time of exposure of BSC-1 cells to DNA in the presence of low concentrations of DEAE-dextran. The efficiency of infection is proportional to the time of exposure. With an 8-hr exposure, we are reproducibly able to infect 25% of the cells, and we have been able to achieve… CONTINUE READING

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