Primer sequences for quantitative qRT-PCR.

Gene	Primer
icaA	Forward 5′-CTG GCG CAG TCA ATA CTA TTT CGG GTG TCT-3′
	Reverse 5′-GAC CTC CCA ATG TTT CTG GAA CCA ACA TCC-3′
icaR	Forward 5′ TGC TTT CAA ATA CCA ACT TTC AAG A 3′
	Reverse 5′ ACG TTC AAT TAT CTA ATA CGC CTG A 3′
sigB	Forward 5′-AAG TGA TTC GTA AGG ACG TCT-3′
	Reverse 5′-TCG ATA ACT ATA ACC AAA GCC T-3′
agrA	Forward 5′-TGA TAA TCC TTA TGA GGT GCT T-3′
	Reverse 5′-CAC TGT GAC TCG TAA CGA AAA-3′
sarA	Forward 5′-CAA ACA ACC ACA AGT TGT TAA AGC-3′
	Reverse 5′-TGT TTG CTT CAG TGA TTC GTT T-3′
16s rRNA	Forward 5′-ACTCCTACGGGAGGCAGCAG-3′
	Reverse 5′-ATTACCGCGGCTGCTGG-3′