β Lactamase
MOLECULAR CHARACTERIZATION OF PSEUDOMONAS AERUGINOSA ISOLATES RECOVERED FROM HUMAN PATIENTS IN HIMACHAL PRADESH (INDIA) FOR SELECTIVE GENES: EXTENDED SPECTRUM β LACTAMASE (ESBL), AMPICILLIN CLASS C (AMPC) AND METALLO β LACTAMASE (MBL) GENES
... β-lactamase inhibitors such as clavulanic acid, tazobactam, sulbactam inhibit ESBLs. However, AmpC producers show resistance to clavulanic acid. AmpC producing organisms may act as a hidden reservoir for ...
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Characterisation of bla TEM genes and types of β lactamase plasmids in Neisseria gonorrhoeae – the prevalent and conserved bla TEM 135 has not recently evolved and existed in the Toronto plasmid from the origin
... with β-lactamase plasmid type, the degradation of ampicillin by TEM-135 compared to TEM-1, and the molecular epidemiology of international β-lactamase-producing ...
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MOLECULAR DETECTION OF β LACTAMASE GENE [SHV] IN KLEBSIELLA PNEUMONIAE
... ABSTRACT: Klebsiella pneumoniae is a significant pathogen for nosocomial infections and quickly becomes the most prevalent beta- lactamases produced that are resistant to several antimicrobials. To comprehend deeper the ...
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STABILITY AND ANALYSIS OF MEROPENEM AND β LACTAMASE INHIBITORS IN INJECTABLE PREPARATIONS
... carbapenem, β-lactam ...irreversible β – lactamase inhibitor to expand the activity of Meropenem against resistant ...irreversible β – lactamase ...
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Rapid Detection of Extended Spectrum β Lactamase Producing Enterobacteriaceae
... M ultidrug resistance is now emerging worldwide at an alarm- ing rate among Gram negatives, causing both community- acquired and nosocomial infections. One of the most important emerging resistance traits in ...
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Extended Spectrum β Lactamase Producing Enterobacteriaceae in Yaounde, Cameroon
... Organisms producing extended-spectrum  -lactamases (ESBLs) have been reported in many countries, but there is no information on the prevalence of ESBL-producing members of the family Enterobacteriaceae in Cameroon. A ...
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Phenotypic and molecular characterization of SHV, tem, OXA and Extended Spectrum β lactamase produced by Klebsiella pneumonia isolates in a Adjara Hospital
... spectrum β-lactamase-producing isolates, aztreonam, ceftazidime, cefotaxime and ceftriaxone discs (30 mg) were placed around an amoxicillin-clavulanic acid disc (10 mg) at interdisc distances (centre to ...
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Detection and Characterization of β Lactamase Encoding Genes in Carbapenem Non Susceptible Gram Negative Bacteria and Susceptibility of Isolates to Ceftazidime Avibactam at a New York City Community Hospital
... current β-lactamases in a New York City hospital, KPC β-lactamases were the predominant enzymes characterized in carbape- nem non-susceptible Enterobacteriaceae and reinforces our previously published stu- ...
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Nosocomial bloodstream infections caused by Klebsiella pneumoniae: impact of extended spectrum β lactamase (ESBL) production on clinical outcome in a hospital with high ESBL prevalence
... By multivariate analysis, previous studies [23,24,27,28] have reported no increase in the mortality rate of infec- tions caused by this resistant microorganism; these studies identified the clinical implications of ...
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High prevalence of fecal carriage of extended spectrum β lactamase producing Escherichia coli and Klebsiella pneumoniae in a pediatric unit in Madagascar
... to β-lactam antibiotics have emerged over the last few decades, due to antibiotic selection pressure; most alarming are the extended spectrum β-lactamases (ESBLs) produced by enteric pathogens that have ...
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Molecular Characteristics of Extended Spectrum β Lactamases in Escherichia coli and Klebsiella pneumoniae and the Prevalence of qnr in Extended Spectrum β Lactamase Isolates in a Tertiary Care Hospital in Korea
... 14. Wang A, Yang Y, Lu Q, Wang Y, Chen Y, Deng L, et al. Occur- rence of qnr-positive clinical isolates in Klebsiella pneumoniae producing ESBL or AmpC-type beta-lactamase from five pe- diatric hospitals in China. ...
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The Epidemic of Extended Spectrum β Lactamase Producing Escherichia coli ST131 Is Driven by a Single Highly Pathogenic Subclone, H30 Rx
... ABSTRACT The Escherichia coli sequence type 131 (ST131) clone is notorious for extraintestinal infections, fluoroquinolone re- sistance, and extended-spectrum beta-lactamase (ESBL) production, attributable to a ...
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Clinical Isolates of Staphylococcus aureus Show Variation in β Lactamase Production and Are More Susceptible to Antibiotics Conjugated with β Lactamase Inhibitors
... to β -Lactam antibiotics by bacteria involve the production of inactivating enzymes— β -Lactamases—which is capable of hydrolyzing the β -Lactam ring leading to loss of ...different β ...
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Antibiotic strategies in the era of multidrug resistance
... by D’Costa et al. [12] using targeted metagenomic ana- lyses of rigorously authenticated ancient DNA from 30,000-year-old permafrost sediments and the identifica- tion of a highly diverse collection of genes encoding re- ...
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... In this study , the Cefepime-tazobactam combination showed 100% sensitivity among the ESBL producing E. coli and Klebseilla pneumoniae isolates, followed by Cefoperazone- sulbactam, which showed 94.73% and 90% ...
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Antimicrobial susceptibilities of Proteus mirabilis: a longitudinal nationwide study from the Taiwan surveillance of antimicrobial resistance (TSAR) program
... AmpC β-lactamase-producers increased signifi- cantly over the study ...AmpC β-lactamases genes were CMY-types ...AmpC β-lactamases to be prevalent, including Escherichia coli, Klebsiella ...
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Structural/mechanistic insights into the efficacy of non-classical β-lactamase inhibitors against extensively drug resistant Stenotrophomonas maltophilia clinical isolates
... Boronic acid-based compounds have long been studied as potential SBL inhibitors but, in most cases, are ineffective against MBL targets. For example, the monocyclic boronate vaborbactam (RPX7009) (Fig. 1, bottom left), ...
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Click here to download PDF version of the article !
... spectrum β-lactamase (ESBL) isolates were first detected in Western Europe in the ...by β-lactamase inhibitors (clavulanic acid, sulbactam and tazobactam) ...
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Structural basis of metallo-β-lactamase, serine-β-lactamase and penicillin binding protein inhibition by cyclic boronates
... T he b-lactamase-catalysed hydrolysis of b-lactam antibiotics (BLAs) is of central importance in antibiotic resistance 1 . b-Lactam-based inhibitors (for example clavulanic acid) of the Class A serine-b-lactamases ...
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Effect of prior receipt of antibiotics on the pathogen distribution and antibiotic resistance profile of key Gram negative pathogens among patients with hospital onset urinary tract infections
... extended-spectrum β -lactamase phenotype compared with 0 or 1 exposure, suggesting an increased risk for resistant Gram-negative pathogens among hospital patients with urinary tract infections occurring ≥ 3 ...
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