Inhibitory activity of piscicolin 126 against sensitive indicator organisms E. faecalis SF1 (A) and L. monocytogenes 4A (B). ○, piscicolin 126 corresponding to 128 and 8,192 AU/ml for E. faecalis SF1 and L. monocytogenes 4A, respectively; ▾, piscicolin 126 corresponding to 2.6 and 164 AU/ml for E. faecalis SF1 and L. monocytogenes 4A, respectively; •, no added piscicolin. Piscicolin 126 was added at the time points marked by the arrowheads.