Table 1. Primers used to completely sequence the ESBL/AmpC resistance genes.

Gene family	Primer (5’-3’)	Purpose	Reference
ACC group	gcatgctgattggcgtgc	PCR & Sequencing	This study
	cagccgctgatgcagaag	Sequencing
	ccccatattggcttgcac	Sequencing
	agggcgtgctgtaatacc	PCR & Sequencing
ACT & MIR group	cacagtcaaatccaacagac	PCR & Sequencing	This study
	ctataagtaaaaccttcaccg	Sequencing
	cgtaatgcgcctcttccg	Sequencing
	tttttgtaggccgggtaag	PCR & Sequencing
	agcgccacccggcaatg	PCR & Sequencing
AmpC promoter region	aatgggttttctacggtctg	PCR & Sequencing	[16]
	gggcagcaaatgtggagcaa	PCR & Sequencing
CMY-2 group	atgatgaaaaaatcgttatgctgc	PCR & Sequencing	[17]
	ctccagcattggtctgtttg	Sequencing	This study
	agttcagcatctcccagcc	Sequencing
	gcttttcaagaatgcgccagg	PCR & Sequencing	[18]
CTX-M-1 group	gtgtgagaagcagtctaaa	PCR & Sequencing	This study
	cggaaggagaaccaggaa	PCR & Sequencing
	Ctgggtgtggcattgatt	Sequencing
	Ctgggtaaagcattgggt	Sequencing
	Cccgaggtgaagtggtat	Sequencing
	Gcacacttcctaacaaca	Sequencing
CTX-M-2 group	Atgatgactcagagcattcg	PCR & Sequencing	[19]
	Ttattgcatcagaaaccgtg	PCR & Sequencing
CTX-M-9 group	Tggtgacaaagagagtgcaacg	PCR & Sequencing	[20]
	Tcacagcccttcggcgat	PCR & Sequencing
DHA group	Gtgaatctgacgatacttgc	PCR & Sequencing	This study
	Tcacaggtgtgctgggtg	Sequencing
	Taaccgtacgcatactggc	Sequencing
	Aataatcttaaattacggccc	PCR & Sequencing
	Tccgcaggggcctgttcag	PCR & Sequencing
SHV	Ttatctccctgttagccacc	PCR & Sequencing	[17]
	Gatttgctgatttcgctcgg	PCR & Sequencing
TEM	Gcggaacccctatttg	PCR & Sequencing	[21]
	Accaatgcttaatcagtgag	PCR & Sequencing