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Covalent docking of selected boron-based serine beta-lactamase inhibitors [PDF]
Journal of Computer-Aided Molecular Design, 2015 AmpC β-lactamase is a hydrolytic enzyme conferring resistance to β-lactam antibiotics in multiple Gram-negative bacteria. Therefore, identification of non-β-lactam compounds able to inhibit the enzyme is crucial for the development of novel antibacterial
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Beta-Lactamase Inhibitors and the Inducibility of the Beta-Lactamase of Mycobacterium tuberculosis
American Review of Respiratory Disease, 1992Abstract Ten clinical isolates and the type strain (H37Rv) of Mycobacterium tuberculosis were shown to produce an intracellular β-lactamase. Crude enzyme preparations were extracted from acetone cell powders by grinding with zirconium beads in 0.133 M glycine with 1.0% Triton X-100.
Y, Zhang, V A, Steingrube, R J, Wallace
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Effect of beta-lactamase inhibitors on beta-lactamases from anaerobic bacteria
European Journal of Clinical Microbiology & Infectious Diseases, 1992Three beta-lactamase inhibitors in clinical use--clavulanic acid, sulbactam and tazobactam--were investigated for their activity on beta-lactamases from Bacteroides uniformis, Clostridium butyricum and Fusobacterium nucleatum. Purification of the beta-lactamases was carried out by anion-exchange chromatography, gel filtration and FPLC. The inactivation
M, Hedberg +3 more
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Presse medicale (Paris, France : 1983), 1997
BETA-LACTAMASE: The capacity to produce beta-lactamase, an enzyme which hydrolyses penicillin and cephalosporines, is the main source of bacterial resistance to beta-lactamines, thus the important contribution of beta-lactamase inhibitors (clavanulanic acid, sulbactam and tazobactam).Beta-lactamase inhibitors inactivate these enzymes and, in ...
O, Launay +3 more
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BETA-LACTAMASE: The capacity to produce beta-lactamase, an enzyme which hydrolyses penicillin and cephalosporines, is the main source of bacterial resistance to beta-lactamines, thus the important contribution of beta-lactamase inhibitors (clavanulanic acid, sulbactam and tazobactam).Beta-lactamase inhibitors inactivate these enzymes and, in ...
O, Launay +3 more
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Bacteriological Investigations with Beta-Lactamase Inhibitors
Zentralblatt für Bakteriologie, Mikrobiologie und Hygiene. 1. Abt. Originale. A, Medizinische Mikrobiologie, Infektionskrankheiten und Parasitologie, 1982MIC's of beta-lactamase producing strains of P. aeruginosa, E. coli, P. vulgaris, P. rettgeri, E. cloacae, K. pneumoniae, S. marcescens are determined against piperacillin and in the case of S. aureus against amoxycillin and penicillin G. All the strains studied were resistant to these antibiotics.
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Medicinal research reviews, 1984
In summary, Table XVI shows the inhibition profiles of representative beta-lactamases from each major class of Richmond and Sykes. Either resistance (R) or sensitivity (S) is given as a general guide to the type of compounds likely to inhibit each class.
S J, Cartwright, S G, Waley
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In summary, Table XVI shows the inhibition profiles of representative beta-lactamases from each major class of Richmond and Sykes. Either resistance (R) or sensitivity (S) is given as a general guide to the type of compounds likely to inhibit each class.
S J, Cartwright, S G, Waley
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Beta-lactamases and beta-lactamase inhibitors.
International journal of antimicrobial agents, 1999Penicillin, the first of the beta-lactam antibiotics, was introduced into medical practice in the 1940s. Since then, a large number of different beta-lactams, including penicillins, cephalosporins, monobactams, and carbapenems, have been developed, all of which are structurally related through the presence of a core beta-lactam ring. Resistance to beta-
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Sulbactam: a beta-lactamase inhibitor.
Clinical pharmacy, 1988The chemistry, pharmacology, microbiology, pharmacokinetics, clinical efficacy, and adverse effects of sulbactam are reviewed. Sulbactam is a competitive, irreversible beta-lactamase inhibitor. Its binding to penicillin-binding proteins imparts weak intrinsic antibacterial activity.
J K, Noguchi, M A, Gill
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[Development of beta-lactamase inhibitors].
Nihon rinsho. Japanese journal of clinical medicine, 1997The proportion of beta-lactamase producing bacteria in each species of clinical isolates is high (over 90%) in these years. According to the survey of bacterial resistance in 1995, higher proportion of resistant bacterial species against ampicillin, piperacillin (PIPC), cefazolin, cefotiam was observed.
A, Hyodo +4 more
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Drug intelligence & clinical pharmacy, 1985
Numerous beta-lactamase inhibitors have been developed to overcome the problems of bacterial resistance to beta-lactam antibiotics. One such agent, clavulanic acid, has been combined with amoxicillin, and the combination is effective against many amoxicillin-resistant organisms. Clinical studies have demonstrated the efficacy of amoxicillin/clavulanate
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Numerous beta-lactamase inhibitors have been developed to overcome the problems of bacterial resistance to beta-lactam antibiotics. One such agent, clavulanic acid, has been combined with amoxicillin, and the combination is effective against many amoxicillin-resistant organisms. Clinical studies have demonstrated the efficacy of amoxicillin/clavulanate
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