Table 3. Relative expression levels of icaD, sea and sarA in S. aureus (ATCC 29213) biofilms grown with eugenol at 0.5×MIC for 24, 36 and 48 h.

Genes	Gene function	Fold changes in 24 h	Fold changes in 36 h	Fold changes in 48 h
icaD	Intercellular adhesion (icaD)	−1.31 (P = 0.05)	−6.1 (P = 0.05)	−3.48 (P = 0.04)
sarA	Staphylococcal accessory regulator A	−1.49 (P = 0.02)	−8.8 (P = 0.04)	−2.79 (P = 0.05)
seA	Staphylococcus enterotoxin A	−1.33 (P = 0.04)	−12.9 (P = 0.02)	−17.85 (P = 0.02)