Article
Exploitation of a beta-lactamase reporter gene fusion in the carbapenem antibiotic production operon to study adaptive evolution in Erwinia carotovora.
Microbiology (Reading, England) - 1 Apr 2006
Bowden Steven D, Salmond George P C
Abstract excerpt
Erwinia carotovora subsp. carotovora strain ATTn10 produces the beta-lactam antibiotic 1-carbapen-2-em-3-carboxylic acid (carbapenem) by expressing the carABCDEFGH operon. Mutants exhibiting increased carbapenem gene transcription were positively selected using an engineered strain with a functional beta-lactamase translational fusion in carH, the last gene of the operon. However, spontaneous ampicillin-resistant...
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