antibiotic resistance • fluorescence-based assay • metallo-β-lactamase (MBL) • NDM-1 • thiols.ABSTRACT: Resistance to β-lactam antibiotics can be mediated by metallo-β-lactamase enzymes (MBLs). An MBL inhibitor could restore the effectiveness of β-lactams. We report on the evaluation of approved thiol-containing drugs as inhibitors of NDM-1, VIM-1 and IMP-7. Drugs were assessed by a novel assay using a purchasable fluorescent substrate and thermal shift. Best compounds were tested in antimicrobial susceptibility assay. Using these orthogonal screening methods we identified drugs which restored the activity of Imipenem.INTRODUCTION:
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