نتایج جستجو برای: metallo β
تعداد نتایج: 179461 فیلتر نتایج به سال:
In Brazil, carbapenem-resistant Pseudomonas aeruginosa isolates are closely related to the São Paulo metallo-β-lactamase (SPM) Brazilian clone. In this study, imipenem-resistant isolates were divided in two sets, 2002/2003 and 2008/2009, analysed by pulsed field gel electrophoresis and tested for the Ambler class B metallo-β-lactamase (MBL) genes blaSPM-1, blaIMP and blaVIM. The results show a ...
metallo β-lactamases (mbls) producing pseudomonas aeruginosa ( p. aeruginosa ) isolates are becoming an escalating global threat. among the antibiotics used to treat infections associated with p. aeruginosa , resistance to carbapenem is a serious therapeutic challenge. the aim of the present study was to detect mbl-producing p. aeruginosa and to evaluate the extracts of urtica. dioica , carum. ...
The New Delhi Metallo-β-lactamase (NDM-1) gene makes multiple pathogenic microorganisms resistant to all known β-lactam antibiotics. The rapid emergence of NDM-1 has been linked to mobile plasmids that move between different strains resulting in world-wide dissemination. Biochemical studies revealed that NDM-1 is capable of efficiently hydrolyzing a wide range of β-lactams, including many carba...
β-Lactamases enable resistance to almost all β-lactam antibiotics. Pioneering work revealed that acyclic boronic acids can act as 'transition state analogue' inhibitors of nucleophilic serine enzymes, including serine-β-lactamases. Here we report biochemical and biophysical analyses revealing that cyclic boronates potently inhibit both nucleophilic serine and zinc-dependent β-lactamases by a me...
To the Editor: The New Delhi metallo-β-lactamase (NDM-1) was fi rst characterized in 2009 from Kleb-siella pneumoniae and Escherichia coli isolated from a patient in Sweden who had received medical care in New Delhi, India (1). Further studies have shown broad dissemination of this β-lactamase gene (bla NDM-1) in India, Pakistan, Bangladesh, and the United Kingdom (2). Additional isolates have ...
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