Gamma-radiation dose-rate effects on DNA damage and toxicity in bacterial cells.

  title={Gamma-radiation dose-rate effects on DNA damage and toxicity in bacterial cells.},
  author={J. I. Min and Chang Woo Lee and Man Bock Gu},
  journal={Radiation and environmental biophysics},
  volume={42 3},
In order to investigate the relationship between radiation dose-rate and bacterial DNA damage as well as general cellular toxicity, two recombinant Escherichia coli strains, DPD2794 and GC2 were used. Following gamma-ray irradiation, these bioluminescent bacteria showed quantitative stress responses in terms of DNA damage and general toxicity depending on the dose rates of energy deposition, i.e. dose-rate of radiation. In addition, an inverse relationship was found, at lower dose rates between… CONTINUE READING
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