TABLE 1.

Primers used in this study

Gene	Primer		Product size (bp)	GenBank access no. and/or reference
	Name	Sequence
tetM	tetmF	5′-TTATCAACGGTTTATCAGG-3′
	tetmR	5′-CGTATATATGCAAGACG-3′	397	1
tetO	tetoF	5′-AACTTAGGCATTCTGGCTCAC-3′
	tetoR	5′-TCCCACTGTTCCATATCGTCA-3′	515	2
tetK	tetkF	5′-TCCTGGAACCATGAGTGT-3′
	tetkR	5′-AGATAATCCGCCCATAAC-3′	189	S74032; this study
tetL	tetlF	5′-TGAACGTCTCATTACCTG-3′
	tetlR	5′-ACGAAAGCCCACCTAAAA-3′	993	U17153; this study
ermA	ermaF	5′-TCTAAAAAGCATGTAAAAGAA-3′
	ermaR	5′-CTTCGATAGTTTATTAATATTAGT-3′	645	3
ermB	ermBF	5′-GAAAAGGTACTCAACCAAATA-3′
	ermBR	5′-AGTAACGGTACTTAAATTGTTTAC-3′	639	3
ermC	ermCF	5′-TCAAAACATAATATAGATAAA-3′
	ermCR	5′-GCTAATATTGTTTAAATCGTCAAT-3′	642	3
ermM	ermMF	5′-TCGGCTCAGGAAAAGGG-3′
	ermMR	5′-CAAGTTAAGGATGCAGT-3′	658	M12730; this study
ermTR	ermTRF	5′-TTGGGTCAGGAAAAGGA-3′
	ermTRR	5′-GGGTGAAAATATGCTCG-3′	385	AF002716; this study
mefA	mefAF	5′-CGTAGCATTGGAACAGC-3′
	mefAR	5′-TGCCGTAGTACAGCCAT-3′	316	U70055; this study
mefE	mefEF	5′-CGTAGCATTGGAACAGC-3′
	mefER	5′-TCGAAGCCCCCTAATCTT-3′	513	U83667; this study
msrA	msrAF	5′-CACGTTAGACGGTAGTTT-3′
	msrAR	5′-TTCGTTCTTTCCCCACC-3′	1,000	AB016613; this study