Table 4. Average number of spontaneous RifR and NalR mutants in colonies with various phage types.
Strain | Phage type | RifR mutantsa | NalR mutantsa |
---|---|---|---|
IP35463 | VIII | 1 | 3 |
IP35471#5 | XIa | 1670 | 2071 |
IP35477#3 | XIa | 1426 | 934 |
IP35478#4 | XIb | 2002 | 937 |
a cfu number/109 cfu of the initial inoculum, average of 10 colonies.