Table 1.
MICs of papiliocin and cecropin A for multidrug-resistant bacterial strains determined in the presence and absence of NaCl, CaCl2, and MgCl2 and antifungal activities the peptides against Candida and Malassezia strains
| MIC (μM) | |||||
|---|---|---|---|---|---|
|
| |||||
| Papiliocin | Cecropin A | Melittin | |||
|
| |||||
| Bacterial strains | S. typhimurium 8003 (R) | None | 0.50 | 0.50 | 8.0 |
| 150 mM NaCl | 0.50 | 0.50 | 16 | ||
| 1 mM CaCl2 | 1.0 | 1.0 | 32 | ||
| 1 mM MgCl2 | 1.0 | 1.0 | 32 | ||
| S. typhimurium 8007 (R) | None | 0.50 | 0.50 | 8.0 | |
| 150 mM NaCl | 1.0 | 1.0 | 16 | ||
| 1 mM CaCl2 | 1.0 | 1.0 | 32 | ||
| 1 mM MgCl2 | 1.0 | 1.0 | 32 | ||
| S. typhimurium 8009 (R) | None | 0.50 | 0.50 | 8.0 | |
| 150 mM NaCl | 0.50 | 0.50 | 16 | ||
| 1 mM CaCl2 | 0.50 | 0.50 | 32 | ||
| 1 mM MgCl2 | 0.50 | 0.50 | 32 | ||
| E. coli 1229 (R) | None | 1.0 | 1.0 | 4.0 | |
| 150 mM NaCl | 4.0 | 8.0 | 16 | ||
| 1 mM CaCl2 | 2.0 | 4.0 | 32 | ||
| 1 mM MgCl2 | 4.0 | 8.0 | 16 | ||
| E. coli 1238 (R) | None | 0.50 | 0.50 | 4.0 | |
| 150 mM NaCl | 0.50 | 0.50 | 8.0 | ||
| 1 mM CaCl2 | 1.0 | 1.0 | 16 | ||
| 1 mM MgCl2 | 1.0 | 1.0 | 8.0 | ||
| S.aureus 3089 (R) | None | 32 | 64 | 4.0 | |
| S.aureus 3090 (R) | None | 16 | 64 | 4.0 | |
| S.aureus 3108 (R) | None | 32 | 64 | 2.0 | |
| S.aureus 3114 (R) | None | 16 | 64 | 4.0 | |
| S.aureus 3126 (R) | None | 16 | 64 | 4.0 | |
| Fungal strains | C. albicans | None | 4.0 | 8.0 | 2.0 |
| M. obitus | None | 8.0 | 8.0 | 4.0 | |
| M. sloofiae | None | 8.0 | 8.0 | 1.0 | |