Table 1.

Oligonucleotide primers used for multiplex PCR amplification

Primer set	Source	Sequence	Product size (bp)
lacZB	Bej et al., 1990	F: 5′ ATGAAAGCTGGCTACAGGAAGGCC 3′	876
		R: 5′ CACCATGCCGTGGGTTTCAATATT 3′
lacZ3	This work	F: 5′ TTGAAAATGGTCTGCTGCTG 3′	234
		R: 5′ TATTGGCTTCATCCACCACA 3′
uidA	Bej et al., 1991	F: 5′ TGGTAATTACCGACGAAAACGGC 3′	162
		R: 5′ ACGCGTGGTTACAGTCTTGCG 3′
yaiO	This work	F: 5′ TGATTTCCGTGCGTCTGAATG 3′	115
		R: 5′ ATGCTGCCGTAGCGTGTTTC 3′