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. 1968 Dec 13;162(3859):1289-90.
doi: 10.1126/science.162.3859.1289.

Dictyostelium discoideum: a gamma-ray resistant organism

R A Deering

Dictyostelium discoideum: a gamma-ray resistant organism

R A Deering. Science. .

Abstract

The vegetative cells of the slime mold Dictyostelium discoideum are extremely resistant to cobalt-60 gamma rays. The survival curve has a shoulder at low doses and a 10 percent survival dose of 300 kilorads in air. Dose fractionation experiments indicate that repair of sublethal damage is an important factor in this resistance.

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