Table 2 Effect of divalent cations on antibacterial activity of lipopeptide antibiotics (PE1 and PE2) produced by Paenibacillus ehimensis B7
Antibiotic | MIC (μg/mL) | |
|---|---|---|
P. aeruginosa ATCC 27853 | S. aureus ATCC 43300 | |
PE1 | 8 | 4 |
PE1 + 10 mM CaCl2 | >64 | 8 |
PE1 + 10 mM MgCl2 | >64 | 8 |