Table 1. PCR primer pairs used in the present study.

Target gene	Primer pair	n-mer	Sequence (5′–3′)	Reference or source
cmeB	cmeB BF1	24	GCT GGA TCC ATA GGT CTT ACA AAT	Lin et al., 2002 [20]
	cmeB CR	27	TTT TTA AAG CTT TAA GGT AAT TTT CTT	Lin et al., 2002 [20]
cmeF	cmeF FF1	24	AAG TAC AAC TCT CAT TGC TTG CAT	Akiba et al., 2006 [26]
	cmeF FR1	20	TGG CTA TTG CCA TAG GAG AA	Akiba et al., 2006 [26]
cmeR	cmeR F	24	TAG AAA AGT ATA TTT GTA TAC CCT	Lin et al., 2005a [23]
	cmeR GSR4	21	GAA ATTT TTG GCT AAT TATAT	Lin et al., 2005a [23]