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Table 2 Effect of divalent cations on antibacterial activity of lipopeptide antibiotics (PE1 and PE2) produced by Paenibacillus ehimensis B7

From: Isolation and partial characterization of cyclic lipopeptide antibiotics 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