TABLE 3.

Spectrum of Phe+ mutations occurring in the MutY-defective P. putida strain

DayNo. of mutants analyzedNo. (%) of mutants with:
C-to-A transversionG-to-T transversionUndefined mutation
2a4530 (67)15 (33)0
2b7257 (80)15 (20)0
34427 (61)15 (34)2 (5)
64012 (30)10 (25)18 (45)
  • a Experiment I; one mutant from each of 45 separate cultures was analyzed.

  • b Experiment II; four mutants from each of 18 separate cultures were analyzed.