Table 1

Effect of BG on the spectra of mutations induced by PM or propyl-PM

The spectra of mutations in the remaining colonies were point mutations including transitions, transversions, and single-base insertions.

Type of mutationPMPM + BGpropyl-PMpropyl-PM + BG
Deletions
 52 bp (503–554)0200
 66 bp (413–478)8030
 124 bp (576–699)4000
 47 bp (576–622)0020
 77 bp (622–698)0010
Total mutant colonies1210137