Table 4.

Minimum inhibitory concentrations of streptomycin for strains with a gidB L79S mutation

Isolate	MGIT result (cc = 1 μg/ml)	Mutations
H37RV (control)	0.5 μg/ml	–
H37MA (control)	≤ 0.5 μg/ml	–
R296	≤ 0.5 μg/ml	No gidB
R3239	≤ 0.5 μg/ml	No gidB
TT372	≤ 0.5 μg/ml	No gidB
TT648	≤ 0.5 μg/ml	No gidB
R9248	1.0 μg/ml	gidB L79S
R18832	1.0 μg/ml	gidB L79S
TT17	> 2.0 μg/ml	gidB L79S + rrs514c
TT649	> 2.0 μg/ml	gidB L79S + rrs514c
TT321	> 2.0 μg/ml	gidB L79S + rpsL K43R
PES16	2.0 μg/ml	gidB L79S + rrs1484t