Fig. 2From: Expression and regulation of phenol-soluble modulins and enterotoxins in foodborne Staphylococcus aureusPSMs expression in foodborne and clinically-derived S. aureus. The PSMα1-4, δ-toxin and PSMβ1-2 levels in foodborne strains were significantly higher than those in clinical strains, respectively. Results were expressed as the ratio of PSMs levels in tested strains to those in USA300. **p < 0.01Back to article page