Table 1. Genotype and antimicrobial resistance profiles of MRSA strains used in this study

MLST	Strain ID	spa	SCCmec	agr	Antimicrobial resistance profiles	OX MIC (μg/mL)
ST5 (n = 8)	HA1	t002	II	II	AMP-CIP-CLI-ERY-FOX-PEN	512
	HA2	t601	II	II	AMP-CIP-CLI-ERY-FOX-PEN	512
	HA3	t2460	II	II	AMP-CIP-CLI-ERY-FOX-FUS-GEN-PEN-RIF	512
	HA4	t2460	II	II	AMP-CIP-CLI-ERY-FOX-FUS-GEN-PEN	512
	HA5	t002	II	II	AMP-CIP-CLI-ERY-FOX-FUS-GEN-PEN	512
	HA6	t601	II	II	AMP-CIP-CLI-ERY-FOX-PEN	512
	HA7	t2460	II	II	AMP-CIP-CLI-ERY-FOX-FUS-PEN-RIF	512
	HA8	t601	II	II	AMP-CIP-CLI-ERY-FOX-PEN	512
ST72 (n = 11)	CA1	t324	IV	I	AMP-ERY-FOX-PEN	32
	CA2	t13921	IV	I	AMP-FOX-PEN	64
	CA3	t664	IV	I	AMP-FOX-PEN	64
	CA4	t2461	IV	I	AMP-FOX-PEN	32
	CA5	t324	IV	I	AMP-ERY-FOX-PEN	64
	CA6	t148	IV	I	AMP-FOX-PEN	32
	CA7	t324	IV	I	AMP-FOX-PEN	32
	CA8	t324	IV	I	AMP-FOX-PEN	32
	CA9	t324	IV	I	AMP-ERY-FOX-PEN-RIF	64
	CA10	t664	IV	I	AMP-FOX-PEN	32
	CA11	t664	IV	I	AMP-FOX-PEN	32
ST398 (n = 8)	Pig1	t571	V	I	AMP-CHL-CIP-FOX-FUS-PEN-TET	24
	Pig2	t18103	V	I	AMP-CHL-CIP-CLI-ERY-FOX-GEN-PEN-SYN-TET	4
	Pig3	t18103	V	I	AMP-CHL-CIP-CLI-ERY-FOX-GEN-PEN-SYN-TET	4
	Pig4	t18103	V	I	AMP-CHL-CIP-CLI-ERY-FOX-GEN-PEN-SYN-TET	8
	Pig5	t18102	V	I	AMP-CHL-CIP-FOX-PEN-TET	24
	Pig6	t18102	V	I	AMP-CHL-CIP-FOX-PEN-TET	16
	Pig7	t18102	V	I	AMP-CHL-CIP-FOX-PEN-TET	16
	Pig8	t18102	V	I	AMP-CHL-CIP-FOX-PEN-TET	16
ST541 (n = 6)	Pig9	t034	V	I	AMP-CLI-ERY-FOX-PEN-TET	32
	Pig10	t034	V	I	AMP-CLI-ERY-FOX-PEN-TET	12
	Pig11	t034	V	I	AMP-CLI-ERY-FOX-PEN-TET	16
	Pig12	t034	V	I	AMP-CLI-ERY-FOX-PEN-TET	16
	Pig13	t034	V	I	AMP-CLI-ERY-FOX-PEN-TET	16
	Pig14	t034	V	I	AMP-CLI-ERY-FOX-PEN-TET	16
ST692 (n = 6)	Chicken1	t2247	V	I	AMP-CIP-CLI-ERY-FOX-PEN-TET	128
	Chicken2	t2247	V	I	AMP-CIP-CLI-ERY-FOX-FUS-PEN-TET	256
	Chicken3	t2247	V	I	AMP-CIP-CLI-ERY-FOX-PEN-TET	256
	Chicken4	t2247	V	I	AMP-CIP-CLI-ERY-FOX-PEN-TET	128
	Chicken5	t2247	V	I	AMP-CIP-CLI-ERY-FOX-PEN-TET	64
	Chicken6	t2247	V	I	AMP-CIP-CLI-ERY-FOX-PEN-TET	32
ST188 (n = 6)	Chicken7	t189	IV	I	AMP-CIP-CLI-ERY-FOX-GEN-PEN-SXT	128
	Chicken8	t189	IV	I	AMP-CIP-CLI-ERY-FOX-GEN-PEN-SXT	128
	Chicken9	t189	IV	I	AMP-CIP-CLI-ERY-FOX-GEN-PEN-SXT	128
	Chicken10	t189	IV	I	AMP-CIP-CLI-ERY-FOX-GEN-PEN-SXT	128
	Chicken11	t189	IV	I	AMP-CIP-CLI-ERY-FOX-GEN-PEN-SXT	128
	Chicken12	t189	IV	I	AMP-CIP-CLI-ERY-FOX-GEN-PEN-SXT	128

MRSA, methicillin-resistant Staphylococcus aureus; MLST, multilocus sequence typing; SCCmec, staphylococcal cassette chromosome mec; OX, oxacillin; MIC, minimum inhibitory concentration; ST, sequence type; HA, halthcare-associated; AMP, ampicillin; CIP, ciprofloxacin; CLI, clindamycin; ERY, erythromycin; FOX, cefoxitin; PEN, penicillin; FUS, fusidic acid; GEN, gentamicin; RIF, rifampicin; CA, community-associated; CHL, chloramphenicol; TET, tetracycline; SYN, quinupristin-dalfopristin; SXT, sulfamethoxazole-trimethoprim.