Table 1.

Target genes and reference gene primers used for qPCR.

Genes	Sequence of primers (5′-3′)	Accession numbers	Amplicon size (bp)
icaA (intercellular adhesion gene A)	Forward: 5′-GAGGTAAAGCCAACGCACTC-3′	AF086783	151
	Reverse: 5′-CCTGTAACCGCACCAAGTTT-3′
icaB (intercellular adhesion gene B)	Forward: 5′-ATACCGGCGACTGGGTTTAT-3′	AF086783	140
	Reverse: 5′-TTGCAAATCGTGGGTATGTGT-3′
icaC (intercellular adhesion gene C)	Forward: 5′-CTTGGGTATTTGCACGCATT-3′	AF086783	209
	Reverse: 5′-GCAATATCATGCCGACACCT-3′
icaD (intercellular adhesion gene D)	Forward: 5′-ACCCAACGCTAAAATCATCG-3′	AF086783	211
	Reverse: 5′-GCGAAAATGCCCATAGTTTC-3′
16S rRNA	Forward: 5′-GGGACCCGCACAAGCGGTGG-3′	L37597.1	191
	Reverse: 5′-GGGTTGCGCTCGTTGCGGGA-3′