Table 3.

Frequencies of meiotic recombination betweenhis4 and leu2 heteroalleles in different early Rec mutantsa

Strain (allele)Recombination frequency at:
his4leu2
0 h24 hFold increase0 h24 hFold increase
CJY1 (wild type)9.3 × 10−4 9.6 × 10−2 103.22.0 × 10−5 5.7 × 10−3 285
CJY2 (mei4)7.9 × 10−4 9.0 × 10−4 1.11.6 × 10−5 2.0 × 10−5 1.3
CJY11 (rad50)5.9 × 10−4 8.5 × 10−4 1.43.7 × 10−4 3.1 × 10−4 0.8
CJY15 (rec102)1.2 × 10−3 1.1 × 10−3 0.91.4 × 10−5 1.0 × 10−5 0.7
CJY19 (rec104)7.7 × 10−4 8.4 × 10−4 1.11.7 × 10−5 1.7 × 10−5 1
CJY30 (rec114)2.2 × 10−3 3.3 × 10−3 1.51.7 × 10−5 2.2 × 10−5 1.3
CJY25 (xrs2)5.3 × 10−4 5.8 × 10−4 1.1NDb ND
CJY24 (mre11)1.4 × 10−3 3.7 × 10−3 2.64.0 × 10−4 8.8 × 10−4 2.2
CJY57 (mer2)1.0 × 10−3 9.0 × 10−4 0.92.1 × 10−5 1.3 × 10−5 0.6
CJY29 (spo11)6.4 × 10−4 9.6 × 10−4 1.53.6 × 10−5 4.0 × 10−5 1.1
  • a Sporulation was carried out as described in Materials and Methods. The data presented are averages of three independent experiments for each mutant strain.

  • b ND, not determined.