TABLE 5

Intrachromosomal recombination in gsg1, mum2 and mum3 mutants

StrainRelevant genotypeCyhR frequency (X104)
MitoticaMeiototicb
J114GSG1, MUM4.2 ± 0.3 (1.0)12 ± 2.3 (1.0)
Y302gsg1::LYS23.5 ± 0.7 (0.8)13 ± 2.1 (1.1)
Y897mum2::LYS24.0 ± 0.7 (0.9)12 ± 1.7 (1.0)
Y1037mum3::LYS23.0 ± 0.2 (0.7)12 ± 3.5 (1.0)
  • CyhR recombinants were selected on medium as described by Hollingsworth and Byers (1989).

  • a Mitotic frequencies of CyhR recombinants are the median ± SD from three independent cultures for strains Y302 and Y1037 and from nine independent cultures for strains J114 and Y897. Numbers in parentheses are the frequency normalized to the wild-type strain, J114.

  • b The meiototic frequencies of CyhR recombinants are the mean frequency ± SD from three independent cultures plated at 15 hr after induction of meiosis. Numbers in parentheses are the frequency normalized to the wild-type strain, J114. Y302, Y897, Y1037 are transformants of J114.