Table 1.

Characteristics of the PCR primers used in this study.

Primer	Primer secuence (5′ → 3′)	Target gene	Size of PCR amplicon (pb)	References
katP Fw	GCGCCAGTGGTGGTCAGCAA	katP	914	Bustamante et al., 2011
katP Rv	ATATCGGGCTGCCGGTCCCA
espP Fw	GCTGGCAACCAGCAACAGCG	espP	774	Bustamante et al., 2011
espP Rv	CGGTAGCCCGCTTCTGCACC
subHCDF	TATGGCTTCCCTCATTGCC	subA	556	Paton and Paton, 2005
subSCDR	TATAGCTGTTGCTTCTGACG
stcE Fw	GGCTCCGGAGGTGGGGGAAT	stcE	399	Bustamante et al., 2011
stcE Rv	GAAGCCGGTGGAGGAACGGC
iha Fw	CAAATGGCTCTCTTCCGTCAATGC	iha	925	Szalo et al., 2002
iha Rv	CAGGTCGGGGTTACCAAGT
88T14	GAGACTGCCAGAGAAAG	efa1	479	Nicholls et al., 2000
88T9	GGTATTGTTGCATGTTCAG