What is a derepressed mutant?
What is a derepressed mutant? According to the characteristics of β-lactamase production, we defined the isolates as follows: derepressed AmpC mutants are those with a cefoxitin MIC of ≥32 mg/liter and a cefotaxime MIC of ≥32 mg/liter and without ESBL production; ESBL producers are isolates which produced ESBLs regardless of the cefoxitin or … What […]