TABLE 2.

CZA MIC of clinical isolates expressing ampD gene on a pUCP24 vector^a

Strain	Parent (2C)	Mutant (2C)	Parent/pUCP24	Mutant/pUCP24	Parent/pUCPampD	Mutant/pUCPampD
CZA MIC, mg/L	2	128	2	128	2	2

^a Parent 2_C is the unevolved clinical isolate, mutant 2_C is the 2_C isolate evolved in MEM.