Table 4.

γ-Ray stimulation of translocations in radmutants of S. cerevisiae

GenotypebStrainAvg frequencya ± SD
7.8 Kilorads15.6 Kilorads23.4 Kilorads
RAD9/RAD9 YB14861 ± 16145 ± 45242 ± 24
rad1/rad1 YB15030 ± 1049 ± 1074 ± 30
rad9/rad9 YB135429 ± 46871 ± 70781 ± 102
rad9/rad9 rad1/rad1 YB14162 ± 39228 ± 4044 ± 36
  • a (Frequency of His+recombinants after irradiation − frequency of spontaneous His+ recombinants) × 107; n = 3.

  • b For full genotypes, see Table 1. All strains are derived from YB148.