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. 2010 Jun 21;54(9):3557–3563. doi: 10.1128/AAC.00385-10

FIG. 1.

FIG. 1.

Double-disk (IMP-CAZ) AmpC induction test with strains PAO1, PAΔD (ampD), and PAΔdB (dacB) and their respective nagZ mutants, PAΔnZ, PAΔDnZ, and PAΔdBnZ. The results for the ampR mutant of PAO1 (PAΔR) are also included for comparison.