Table 4.
Minimal inhibitory concentrations (MICs) and minimal bactericidal concentrations (MBCs) of pepD, pepD2, and pepD3 against E. coli and phytopathogenic bacteria.
| Pathogen | Peptide (μg/ml) | |||||||
|---|---|---|---|---|---|---|---|---|
| pepD | pepD2 | pepD3 | SP10-5 | |||||
| MIC | MBC | MIC | MBC | MIC | MBC | MIC | MBC | |
| Eco DH5α | 8 | 8 | 4 | 8 | 8 | 16 | 8 | 16 |
| Xev Xvt28 | 4 | 16 | 4 | 4 | 4 | 4 | 8 | 8 |
| Xcc Xcc17 | 2 | 8 | 1 | 1 | 2 | 2 | 2 | 2 |
| Xoo Xoo28 | 4 | 4 | 4 | 8 | 4 | 4 | 8 | 8 |
| Atu C58C1 | 4 | – | 2 | 2 | 2 | 2 | 2 | 4 |
| Pcc | 32 | – | 8 | 16 | 8 | 16 | 16 | 16 |
| Pst DC3000 | 16 | 32 | 4 | 8 | 8 | 16 | 8 | 16 |
| Pss B728a | 32 | – | 8 | 16 | 8 | 16 | 8 | 32 |
“–” indicates that no antimicrobial activity was detected in rich media at the highest peptide concentration (32μg/ml) that was tested in this study.