Article
Induction of multilocus mutations at the Tk1 locus after X irradiation of L5178Y cells at different times in the mitotic cycle.
Radiation research - 1 Aug 1996
Evans H H, Mencl J, Ricanati M, Horng M F, Chaudhry M A, Jiang Q, Hozier J, Liechty M
Abstract excerpt
TK1+/- L5178Y-R16 cells were separated into G1, S and G2/M-phase populations by centrifugal elutriation and were treated with 1.5 Gy X radiation. Cells irradiated in the G1 and G2/M phases were most sensitive to the cytotoxic effects of radiation, while cells irradiated in the G2/M phase showed the highest mutant frequency at the thymidine kinase (Tk1) locus. DNA isolated from independent TK1-/- mutants was...
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