Article
Mutation frequency of Dictyostelium discoideum spores exposed to the space environment.
Uchu Seibutsu Kagaku - 1 Jun 1997
Takahashi A, Ohnishi K, Fukui M, Nakano T, Yamaguchi K, Nagaoka S, Ohnishi T
Abstract excerpt
Two strains of cellular slime mold Dictyostelium discoideum, a radiosensitive mutant and the parental wild-type strain, were used to investigate the effects of cosmic radiation on viability and mutation frequency at the spore stage for about 9 days in Space Shuttle of NASA. We measured little effect of space environment on viability and cell growth in the both strains as compared to ground controls. The mutation...
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