Table 2.

Relative expression of biofilm-related genes.

		Biofilm
Gene	Function	msa vs. COL	compl. vs. COL
fnbA	fibronectin-binding protein	0.79	0.83
clfA	clumping factor A	0.16	0.68
atl	bifunctional autolysin	0.35	0.88
alsS	α-acetolactate synthase	9.77	1.51
arcA	arginine deiminase	< 0.001	0.56
icaA	intercellular adhesin	0.72	2.06
spxA	transcriptional-regulator	0.72	1.16
tcaR	transcription regulator	1.12	0.76

Relative expression of several biofilm-related genes in the msa mutant or the complemented mutant (compl.) relative to wild-type (COL) during biofilm growth. Values represent the mean ratio of three independent experiments. Genes with significant changes (twofold or higher) in expression are highlighted.