Table 3. MIC values of triclosan for E. coli and Salmonella strains harboring fabI with and without mutation on a plasmid.

Bacteria	fabI carriage on plasmids	MIC (µg/ml)a
		TRC	TRC in the presence of 0.25 x MIC PAβN	CHL	CHL in the presence of 0.25 x MIC PAβN	TET	TET in the presence of 0.25 x MIC PAβN
E. coli TOP10		0.125	< 0.008	4	1	2	0.5
E. coli TOP10::pCR2.1		0.125	< 0.008	4	1	2	0.5
E. coli TOP10::pCR2.1	fabI original	2	0.125	4	1	2	0.5
E. coli TOP10::pCR2.1	fabI Gly93→Val	64	1	4	1	2	0.5
S. Livingstone 4		0.125	< 0.008	8	2	2	0.5
S. Livingstone 4::pCR2.1	fabI original	2	0.5	8	2	2	0.5
S. Livingstone 4::pCR2.1	fabI Gly93→Val	64	1	8	2	2	0.5
S. Typhimurium LT2		0.25	< 0.008	8	1	1	0.5
S. Typhimurium LT 2::pCR2.1	fabI original	4	0.25	8	1	1	0.5
S. Typhimurium LT 2::pCR2.1	fabI Gly93→Val	64	4	8	1	1	0.5

^a CHL = chloramphenicol; TET = tetracycline; TRC = triclosan; PAβN = Phe-Arg-β-naphthylamide