Frequency of Single-strand Breaks Per Lethal γ-ray Hit in øX 174 DNA

Author: Lytle C. David   Ginoza William  

Publisher: Informa Healthcare

ISSN: 1362-3095

Source: International Journal of Radiation Biology, Vol.14, Iss.6, 1969-01, pp. : 553-560

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Abstract

The frequency of sugar-phosphate back-bone breaks in single-stranded øX 174 DNA induced by γ-rays under conditions of direct radiation action is 0·26 ± 0·03 per lethal event and per primary ionization in the DNA.