Article Details

Analytical Study and Developments of Different Kinds Inhibitory of Metallo Beta Lactamases | Original Article

Rustam Singh Tomar*, Ajit Joshi, in Journal of Advances in Science and Technology | Science & Technology


The production of metallo-β-lactamases is the most important strategy by which pathogenic bacteria become resistant to currently known β-lactam antibiotics. The emergence of these enzymes is particularly concerning for the future treatment of bacterial infections. There are no clinically available drugs capable of inhibiting any of the metallo-β-lactamases, so there is an urgent need to find such inhibitors. In this review, an up-to-date status of the inhibitors investigated for the inhibition of metallo-β-lactamases has been given so that this rich source of structural information of presently known metallo-β-lactamases could be helpful in generating a broad-spectrum potent inhibitor of metallo-β-lactamases. Carbapenem resistance continues to erode the effectiveness of antibiotics such as imipenem and meropenem in the clinic. Resistance mechanisms can include interplay between porin loss (membrane permeability), mutation of penicillin binding proteins necessary for cell division, and expression of class A, B and D β-lactamases. Bacterial resistance to β-lactams such as penicillin or amoxicillin has been overcome in the clinic using several strategies, including development of antibiotics not susceptible to hydrolysis by β-lactamases, or co-administration of the antibiotic with β-Iactamase inhibitors. This overview will focus on progress since 2000 in identifying inhibitors of class B. or metallo- β-lactamases with the aim of reversing carbapenem resistance.