TABLE 2.

Primers used for PCR and sequencing

β-Lactam resistance gene	Primer name and sequencea	Tm (°C)	Fragment size (bp)	Reference or source
blaSHV	SHV-F: 5′-CACTCAAGGATGTATTGTG-3′	49	822	10
	SHV-R: 5′-TTAGCGTTGCCAGTGCTCG-3′
blaTEM	A1: 5′-ATAAAATTCTTGAAGAC-3′	42	1,075	12
	B1: 5′-TTACCAATGCTTAATCA-3′
	V167*: 5′-ATCCTTGAGAGTTTTCGCCC-3′
	V267*: 5′-GCTTTTCTGTGACTGGTGAG-3′
blaACC-1	ACC3: 5′-CACATTGAAGCTGTTATCCG-3′	55	1,276	Thisstudy
	ACC2: 5′-GTGCAAACATCGCTGGATTT-3′
	ACC7*: 5′-GGGTTTTCTCAATCGCAT-3′

^aAn asterisk indicates that the primer was used only for sequencing.