TABLE 2.

Summary of important mtr genetic changes and Azi and TX-100 MIC values

Strain	MtrR	mtrCDE promoter/mtrR promoter	MtrD	MIC (μg/ml)
				Azi	TX-100
CDC2	D79N, S183N, M197I	−35 (T to G)/−35 (C to T)	Mosaic-like	2	>6,400
FA19	WT	WT/WT	WT	0.25	100
CR.100a	D79N, S183N, M197I	−35 (T to G)/−35 (C to T)	WT	1	>6,400
CR.101	WT	−35 (T to G)/−35 (C to T)	WT	1	>6,400
CR.102	D79N	WT/WT	WT	0.5	200
CR.103	D79N, S183N, M197I	−35 (T to G)/−35 (C to T)	3′-end mosaic-like	2	>6,400
CR.104	D79N, S183N, M197I	−35 (T to G)/−35 (C to T)	S821A, K823E	2	>6,400

^aStrains CR.100 to CR.104 are all in the FA19 genetic background.