AmpC β-lactamase
Frequency of AmpC β-lactamase Resistance in Escherichia coli Isolates from Urinary Tract Infections in Gorgan, Iran
... Introduction: AmpC β-lactamases are among the most important ...of AmpC β- lactamases in microorganisms is often associated with multidrug resistance and limited treatment ...of AmpC ...
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Prevalence of Plasmid Mediated AmpC β Lactamases in a Chinese University Hospital from 2003 to 2005: First Report of CMY 2 Type AmpC β Lactamase Resistance in China
... acquired AmpC beta-lactamase in this collection of isolates from a medical center in China, and DHA-1-producing ...CMY-2-type AmpC  -lactamases in the Chinese ...
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Detection of Plasmid Mediated AmpC β Lactamase Genes in Clinical Isolates by Using Multiplex PCR
... plasmid-mediated ampC -lactamases requires that any molecular technique used for identification of the gene be functional for different gram-negative organisms, including or- ganisms with chromosomal ampC ...
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Association between Handling of Pet Treats and Infection with Salmonella enterica Serotype Newport Expressing the AmpC β Lactamase, CMY 2
... that AmpC-producing strains were introduced into this area in 2002 (Table ...plasmid-encoded AmpC -lactamase, ...plasmid-encoded AmpC -lactamase, CMY-2, has been identified in strains ...
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Detection of Extended Spectrum β Lactamases by Using Boronic Acid as an AmpC β Lactamase Inhibitor in Clinical Isolates of Klebsiella spp and Escherichia coli
... We evaluated highly sensitive methods using boronic acid (BA) to detect extended-spectrum  -lacta- mase (ESBL) production. A total of 182 clinical isolates of Klebsiella spp. (n ⴝ 118) and Escherichia coli (n ⴝ 64) were ...
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First Outbreak of Multidrug Resistant Klebsiella pneumoniae Producing both SHV 12 Type Extended Spectrum β Lactamase and DHA 1 Type AmpC β Lactamase at a Korean Hospital
... In our study, the isolates that co-produced SHV-12 and DHA-1 enzymes showed high MICs of ceftazidime, cefepime, aztreonam, and cefoxitin. Four (8.7%) of 46 plasmid-mediated AmpC-producing K. pneumoniae isolates ...
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PREVALENCE of AmpC β LACTAMASE IN PLASMID RESISTANT GENE FROM UTI CLINICAL ISOLATES BY MOLECULAR TECHNIQUES
... resistant AmpC β-lactamases gene in clinical isolates of gram negative organisms from UTI patients which produce resistance against multiple ...for AmpC β-lactamases is also present in ...of ...
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Experimental Prediction of the Evolution of Cefepime Resistance From the CMY-2 AmpC β-Lactamase
... National Committee for Clinical Laboratory Standards, 2001 Vakulenko, S. B., D. Golemi, B. Geryk, M. Suvorov, J. R. Knox Performance Standards for Antimicrobial Susceptibility Testing: Supple- et al., 2002 Mutational ...
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Extended-spectrum β-lactamase, plasmid-mediated AmpC β-lactamase, fluoroquinolone resistance, and decreased susceptibility to carbapenems in Enterobacteriaceae: fecal carriage rates and associated risk factors in the community of Northern Cyprus
... The isolates that grew in ERT plates were evaluated by disc diffusion test using ERT (10 μg), MEM (10 μg) and IMP (10 μg) discs. Inhibition zones of ≤18 mm for ERT disc; and ≤ 19 mm for IMP and MEM discs indicated re- ...
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Outbreak of Dysentery Associated with Ceftriaxone Resistant Shigella sonnei: First Report of Plasmid Mediated CMY 2 Type AmpC β Lactamase Resistance in S sonnei
... Resistance of Shigella spp. to various antibiotics is increasing (26); however, plasmid-encoded resistance of Shigella spp. to extended-spectrum cephalosporins is still rare. Genetic testing is required to identify the ...
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Whole genome sequence analysis of NDM-1, CMY-4, and SHV-12 coproducing <em>Salmonella enterica</em> serovar Typhimurium isolated from a case of fatal burn wound infection
... extended-spectrum β-lactamase (SHV-12), and AmpC β-lactamase (CMY-4) coproducing Salmonella Typhimurium isolated from a fatal case of burn wound infec- ...
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Assessment of AmpC Beta-Lactamase Genes among Clinical Escherichia coli Isolates
... of AmpC β-lactamase via transferring on chromosome and plasmid among extended spectrum β-lactamases ESBLs (extended spectrum beta lactamases) has greatly ...antibiotic. β-lactamases ...
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Prevalence of AmpC Beta-lactamase in Gram Negative Bacilli by Different Phenotypic Methods in a Tertiary Care Institute in Kashmir
... This prospective study was conducted in the Department of Microbiology, Sher-i-Kashmir Institute of Medical Sciences (SKIMS), a 660 bedded tertiary care hospital in North India over a period of one year (Jan 2013-Dec ...
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... Confirmation of AmpC β-lactamase production was done by modified three dimensional test (MTDT) as described by Manchanda et al [13]. 10-15mg fresh overnight growth from Muller Hinton agar (MHA) was ...
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DETECTION OF AMP C Β-LACTAMASE PRODUCING BACTERIA ISOLATED IN NEONATAL SEPSIS
... The blood samples collected in the brain heart infusion broth were incubated at 37 o C. After a period of incubation the cultures were further processed on Blood and MacConkey agar plates. The bacterial identification ...
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Antimicrobial susceptibilities of Proteus mirabilis: a longitudinal nationwide study from the Taiwan surveillance of antimicrobial resistance (TSAR) program
... stable, AmpC β-lactamase-producers increased signifi- cantly over the study ...predominant AmpC β-lactamases genes were CMY-types ...DHA-type AmpC β-lactamases to be ...
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The β-lactamase inhibitor avibactam (NXL104) does not induce <em>ampC</em> β -lactamase in <em>Enterobacter cloacae</em>
... chromosomal AmpC β -lactamase, although the regulation of enzyme production is different among the various enzyme-producing ...several β -lactam compounds, with carbapenems and cephamycins ...
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Development of a Sensitive and Specific Enzyme Linked Immunosorbent Assay for Detecting and Quantifying CMY 2 and SHV β Lactamases
... the AmpC enzymes of ...the AmpC ELISA for screening purposes, although it can be used quantitatively for ...the AmpC enzyme of ...purified AmpC -lactamases; doing ...
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A systematic review: the current status of carbapenem resistance in East Africa
... borne AmpC enzymes (ACT-1, CMY-2, CMY-4 or DHA- 1) in association to loss of outer membrane proteins (OMPs) as a result of truncated OMP gene [54, 55] is yet to be acknowledged in East ...
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Occurrence of extended-spectrum and AmpC β-lactamases in multiple drug resistant <em>Salmonella</em> isolates from clinical samples in Lagos, Nigeria
... and AmpC b-lactamase enzymes is fast spreading and has had negative impacts on the clinical outcomes, particularly on third-generation ...of AmpC gene among multidrug-resistant Salmonella ...and ...
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