Table 2:

Minimum inhibitory concentration (MIC in μg/mL) against E. coli DH5αZ1 expressing TetX7 or Tet50 from the pZE24 plasmid in the absence (− TC) or presence (+ TC) of 8 μg/mL TC.

Strain/ Compound	Empty		TetX7		Tet50
	− TC	+ TC	− TC	+ TC	− TC	+ TC
3	32	<1	64	8	64	16
4	32	<1	16	2	32	8
5	64	<1	64	2	32	16