Table 3.

Deferred antagonism of wild-type and nisin-resistantL. monocytogenes by bacteriocin-producing lactic acid bacteria

Test strainBacteriocin producedInhibitiona of:
Cells grown without nisinNisr cells grown with nisin
Wild typeNisr
L. lactis
 ATCC 21053None000
 ATCC 11454Nisin2.77 ± 0.2400
P. acidilactici PAC1.0Pediocin PA-18.94 ± 0.321.79 ± 0.452.01 ± 0.27
Leuconostoc paramesenteroidesSLeuconocin OX8.61 ± 1.051.78 ± 0.221.41 ± 0.34
  • a Radius of inhibition zone from edge of the well to the edge of the L. monocytogenes lawn, in millimeters (means ± standard deviations).