Beta lactamases
Use of DNA Microarrays for Rapid Genotyping of TEM Beta Lactamases That Confer Resistance
... ESBL-type beta-lactamases pose a clinical dilemma because their identification is complicated and time-consuming and therapy must often begin before potential resistance can be ...for beta-lactam ...
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Extended Spectrum Beta lactamases screening in Escherichia coli and Klebsiella isolates and confirmation by molecular method
... SPECTRUM BETA LACTAMASES SCREENING IN ESCHERICHIA COLI AND KLEBSIELLA ISOLATES AND CONFIRMATION BY MOLECULAR METHOD" is a confide and genuine research work carried out by me in the department of ...
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Occurrence and Detection of AmpC Beta Lactamases among Escherichia coli, Klebsiella pneumoniae, and Proteus mirabilis Isolates at a Veterans Medical Center
... and crude enzyme preparations were made by freezing-thawing the cell pellets five times. The surface of a Mueller-Hinton agar plate (Remel) was inoculated with one each of two E. coli strains (ATCC 25922 and ATCC 11775) ...
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Prevalence of Extended Spectrum Beta Lactamases (ESBLs) and Antibiotic Resistance Pattern Acinetobacter Baumannii Strains Isolated from Clinical Specimens in Isfahan City, Iran
... 19. Szejbach A, Mikucka A, Bogiel T, Gospodarek E. Usefulness of phenotypic and genotypic methods for metallo-beta-lactamases detection in carbapenem-resistant Acinetobacter baumannii strains. Med Sci Monit ...
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Analysis of Enterobacteriaceae Producing Broad Spectrum Beta Lactamases in the Intensive Care Unit Setting
... genes [15]. SHV-products were digested with restriction endonuclease NheI, TEM-positive amplicons with the MseI, Sau3AI, MspI and HphI enzymes for identification of mutations extending the spectrum of activity [16,17]. ...
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Evaluation of the Etest ESBL and the BD Phoenix, VITEK 1, and VITEK 2 Automated Instruments for Detection of Extended Spectrum Beta Lactamases in Multiresistant Escherichia coli and Klebsiella spp
... The results of the present study show that the detection of ESBLs in this collection of multiresistant isolates posed prob- lems for both the automated systems and the Etest. All of the automated methods performed less ...
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Detection of prevalence of metallo-beta lactamases in clinical isolates of imipenem resistant Pseudomonas aeruginosa from neonatal septicaemia cases in a tertiary hospital in Odisha, India
... A prospective study of one-year duration was done at Departments of Microbiology, Paediatrics and Community Medicine, KIMS, Bhubaneswar, Odisha covering a total 163 cases of neonatal septicaemia from which Pseudomonas ...
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Detection of Ampc and Extended-Spectrum Beta-Lactamases in Clinical Isolates of Pseudomonas Aeruginosa from Patients with Cystic Fibrosis
... 6. Umadevi S, Joseph NM, Kumari K, Easow JM, Kumar S, Stephen S, et al. Detection of extended beta lactamase, AmpC beta lactamases and metallo beta lactamses in clinical isolates of ...
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Extended Spectrum Beta-lactamases: Definition, Classification and Epidemiology
... spectrum beta-lactamases (ESBLs) are defined as enzymes produced by certain bacteria that are able to hydrolyze extended spectrum ...against beta-lactam antibiotics such as ceftazidime, ceftriaxone, ...
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Activity of Fosfomycin in Extended Spectrum Beta Lactamases Producing Klebsiella pneumonae from Hospital Acquired Urinary Tract Infections
... Treatment of hospital acquired urinary tract infections (UTIs) caused by extended-spectrum beta- lactamases producing Klebsiella pneumonae is a major problem. This organism expresses a high level of ...
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High Rate of Fatal Cases of Pediatric Septicemia Caused by Gram Negative Bacteria with Extended Spectrum Beta Lactamases in Dar es Salaam, Tanzania
... Extended-spectrum beta-lactamases (ESBLs) were present in high proportions of Escherichia coli (25% [9 of 36]) and Klebsiella pneumoniae isolates (17% [9 of 52]) causing pediatric septicemia at a tertiary ...
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BETA LACTAMASES CONTRIBUTING CARBAPENEM RESISTANT MECHANISMS IN GRAM NEGATIVE BACILLI
... of beta lactamase activity ...the beta lactamase production 43%(16 in 37) strains shows ESBL, 22% (8) Amp C production and 35% (13) both ESBL and Amp C ...(beta lactamases hydrolyzing ...
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Molecular Characterization of Extended Spectrum Beta Lactamases Produced by Clinical Isolates of Klebsiella pneumoniae and Escherichia coli from a Korean Nationwide Survey
... The beta-lactamases (EC ...of beta-lactamase is the single most prevalent mecha- nism responsible for resistance to beta-lactams among clinical isolates of the family Enterobacteriaceae ...of ...
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The Bacterial Isolates and Plasmid Profile of Extended Spectrum Beta Lactamases Producers Causing Urinary Tract Infection among Pregnant Women in Uyo, Nigeria
... spectrum beta-lactamases producing uropathogens mostly of plasmid content are responsible for community acquired urinary tract infection among pregnant women in ...
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Surface-bound antibiotic for the detection of beta-lactamases
... Ideally, the surface should enable β-lactamases to access the drug, hydrolyze the β-lactam, and then ultimately detach from the surface. A previously reported co-crystal structure of a β- lactamase bound to a ...
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Occurrence of Extended Spectrum and AmpC Beta Lactamases in Bloodstream Isolates of Klebsiella pneumoniae: Isolates Harbor Plasmid Mediated FOX 5 and ACT 1 AmpC Beta Lactamases
... nonexistent. Undoubtedly, this is due in part to the lack of standard guidelines for detecting AmpC-producing isolates. Expression of AmpC -lactamases can be generated by chro- mosomal or plasmid genes (19). ...
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Detection of Resistance to Beta Lactamase Inhibitors in Strains with CTX M Beta Lactamases: a Multicenter External Proficiency Study Using a Well Defined Collection of Escherichia coli Strains
... ants with IR-CTX-M (carrying the S130G mutation) or CM- CTX-M phenotypes (carrying the S237G or K234R mutation), like other -lactamase types, such as IRTs (9), or inhibitor-resis- tant (IR)-SHV (21, 22). However, ...
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Assay platform for clinically relevant metallo-beta-lactamases
... (serine-β- lactamases, SBLs, classes A, C, and D) and those employing one or two zinc ions to promote hydrolysis (metallo-β- lactamases, MBLs, class ...
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<p>Low prevalence of resistance genes in sheltered homeless population in Marseille, France, 2014–2018</p>
... of beta-lactamases (extended-spectrum β -lactamases [ESBLs], especially those belonging to the CTX- M family, carbapenem-hydrolyzing β -lactamases) in Gram- negative bacteria is considered the ...
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Expansion of highly stable bla OXA 10 β lactamase family within diverse host range among nosocomial isolates of Gram negative bacilli within a tertiary referral hospital of Northeast India
... two decades restricting therapeutic options. These genes are often reported to be located within integron gene cas- settes [3, 4]. However, these rare types of beta lactamases are often unreported in the ...
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