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. 2013 Apr 17;13:87. doi: 10.1186/1471-2180-13-87

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