TABLE 1.

PCR primers used in this study

Primer designation	Primer sequence (5′→3′)	Annealing temp (°C)	Amplicon size (in bp)	Reference
blaZ_fw	TGCTTCAACTTCAAAAGCGATA	55	563	This study
blaZ_rv	GTTCAGATTGGCCCTTAGGA
dfrK_fw	GCTGCGATGGATAAGAACAG	50	214	3
dfrK_rv	GGACGATTTCACAACCATTAAAGC
dfrK_inv1	CGGAAGAGCATTACCTGGAA	55	3,642	This study
dfrK_inv2	AATTGGATATCCCTTTGTAGTATTTTT
Tn559_circ-fw	TCCATGAACTCGTACAGCAA	55	778	This study
Tn559_circ-rv	TGGTTGTGAAATTGTCCATTC
radC_fw	GGAAAGGATGGGGAGAAGAG	55	2,305	This study
tnpB_rv	TGCTTCAATTTCCACTCTCG