TABLE 3.
IC50 of sakacin P for wild-type strains and spontaneous mutants of L. monocytogenes strains
| Straina | IC50 (ng ml−1)b |
|---|---|
| L502 | 0.32 |
| L502-1c | >105 |
| L502-2 | >105 |
| L502-3 | >105 |
| L502-4 | 103 |
| L502-5 | 102 |
| L502-6 | 102 |
| L1037 | 0.22 |
| L1037-1c | >105 |
| L1037-2 | 103 |
| L1037-3 | 102 |
| L1037-4 | 102 |
| L1037-5 | 102 |
| L1037-6 | 102 |
| EGDe | 0.27 |
| EGDe-1 | >105 |
| EGDe-2c | 102 |
| EGDe-3 | 10 |
| EGDe-4 | <10 |
| EGDe-5 | <10 |
| EGDe-6 | <10 |
| L40 | 0.12 |
| L40-1 | 104 |
| L40-2 | 103 |
| L40-3 | 103 |
| L40-4 | 103 |
| L40-5c | 102 |
| L40-6 | 102 |
| L688 | 0.06 |
| L688-1c | 104 |
| L688-2 | 103 |
| L688-3 | 103 |
| L688-4 | 103 |
| L688-5 | 103 |
| L688-6 | 103 |
a
The designations of the sakacin P-resistant strains end with the suffixes 1 to 6.
b
>105 represents concentrations higher than the highest sakacin P concentration used.
c
Sakacin P-resistant strains derived from exposure to pure sakacin P.