TABLE 1.

Transposon insertion frequencies

Input (CFU)No. of mutantsMutants/CFU
2.8 × 10103441.0 × 10−8
4.9 × 109621.2 × 10−8
1.1 × 109504.5 × 10−8
2.6 × 1092077.0 × 10−8
5.7 × 10101,0971.9 × 10−8
2.3 × 10105501.0 × 10−8
1.4 × 10102101.5 × 10−8