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Table 2 Number of the 95 L. monocytogenes isolates with a given growth status for each treatment condition

From: Persistent and sporadic Listeria monocytogenes strains do not differ when growing at 37 °C, in planktonic state, under different food associated stresses or energy sources

TreatmentsaGrowthVariableNo Growthp-valueb,c
Stress Conditions (tested in nutritive media [BHI])
 Control9500
 5% NaCl9500No test
 10% NaCl514402.2 × 10–16
 pH of 5.290500.059
 pH of 9.290500.059
 BAC 2 μg/mL09502.2 × 10−16
 BAC 5 μg/mL049462.2 × 10− 16
Energy Source Utilization (tested in chemically defined media [DM])
 DM Control46472
 DM Cellobiose603500.052
 DM Fructose474800.62
 DM Glycogen3352100.021
 DM Lactose111832.2 × 10−16
 DM Sucrose118762.2 × 10− 16
  1. a See Table 1 for formulations of each treatment
  2. b p-values, for the Fisher’s Exact test, for difference in growth response category between control and individual treatments in the same stress condition or energy source test category
  3. c Bolded p-values are statistically significant at p < 0.05