TABLE 1.

L. monocytogenes genes with significantly higher expression in the wild-type versus the ΔsigB strain under osmotic and stationary-phase stresses

Changea (fold)No. of genes with statistically significant higher expression under:
Stationary phase stressOsmotic stress (0.5 M KCl)Stationary-phase and osmotic stressStationary-phase or osmotic stress
≥1.541513755
≥2.037443051
  • a Change was calculated by SAM based on microarray data (see Materials and Methods) and equals the average wild-type spot intensity divided by the average mutant spot intensity for two separate arrays from each of two replicate RNA isolations.