[PDF] Top 20 CHARACTERIZATION OF CTX-M-TyPE EXTENDED-SPECTRUM BETA-LACTAMASES (ESBLS) AMONG EntErobactEriacEaE FROM A PORTUGUESE HOSPITAL

... identified among all ctX-m-producing isolates (table 2). ctX-m enzymes of clusters iii were only found in one ...a ctX-m enzyme of cluster i. isolates ... See full document

... MICs of b-lactams for the CTX-M-94- and -100-producing isolates are shown in Table ...The CTX-M-94 harbouring isolate exhibited four- to approximately 200-fold higher MICs of ... See full document

... cause of urinary tract infections (UTIs) and is a major global public health ...and type of extended spectrum β-lactamases (ESBLs), and the clonal relationships among ... See full document

... presence of ESBLs from the TEM, CTX-M or other ESBL families in these ...inhibition of the enzyme by the clavulanic ...action of clavulanic acid can be masked include the ... See full document

... years of discovery of resistance to the first antibiotic, ...emergence of resistance to β-lactam antibiotics is related to beta- lactamases coding by plasmids which are rapidly spread ... See full document

... in Enterobacteriaceae are CTX-M-type extended- spectrum ␤-lactamases (ESBLs) ...single CTX-M-1-producing P. aeruginosa isolate has been reported from ... See full document

... family of ESBLs and are unique among the ESBLs because they are most often found in Pseudomonas aeruginosa rather than in members of the Enterobacteriaceae (Bradford 2001; Pfaller & ... See full document

... efficacy of all β-lactams, apart from cephamycins and carbapenems, by hydrolysis of the β-lactam ring, and are inhibited by β-lactamase inhibitors (Coque et ...cause of resistance to expanded- ... See full document

... prevalence of extended-spectrum β-lactamases belonging to the TEM, SHV and CTX-M families were estimated among samples of Escherichia coli and Klebsiella ... See full document

... potential among different strains. Group TEM was identified in 17.3% of isolates in five different species ...and/or CTX-M ...the extended-spectrum phenotype (LIVERMORE ... See full document

... total of 231 nonduplicate Enterobacteriaceae were isolated from five Brazilian hospitals between September 2007 and September ...presence of bla CTX-M ... See full document

... Figura 7 – Cluster das linhagens de carnes de frango da França identificado na Figura 6 pelo retângulo vermelho. Apesar de a linhagem P34B1 apresentar similaridade menor que 90% com as linhagens do cluster (89,4%), é ... See full document

... he β-lactam susceptibility phenotype was determined for all the Salmonella enterica serovar Oranienburg ESBL-producing strains. hese strains were resistant to ampicillin, cefotaxime, cefepime and aztreonam. hey appeared ... See full document

... identification of Gram-negative susceptibility, and then the AST N151 card (bioMérieux®, Marcy-l’Étoile, France) for Gram-negative ...standards of the Clinical and Laboratory Standards Institute (CLSI) for ... See full document

... derived from a project approved by the Research Program of SUS (Brazilian National Health Care System): Shared Health Management - PPSUS- Posting 014/2006-FAPEAM Manaus, State of Amazonas, ...stems ... See full document

... detection of ESBL-type beta-lactamases [19–22] to our knowledge, this is the first report of a multiplex real-time PCR assay for the identification of the three most common ESBL ... See full document

... distribution of ESBL producing microorganisms such as ...frequency of occurrence and the antimicrobial susceptibility pattern of ESBL producing ...species from clinical isolates at a tertiary ... See full document

... proportion of the ESBL- producers were detected with cefotaxime alone versus cefotaxime/clavulanate discs than with ceftazidime versus ceftazidime/clavulanate ...observations of other investigators ...pairs ... See full document

... dissemination of plasmid-mediated antimicrobial resistance genes may pose a substantial public health ...occurrences of bla CTX-M and plasmid-mediated ampC and qnr genes were investigated in ... See full document

... agents of hospital infections among non-fermentative gram-negative ...resistance among these pathogens has become a therapeutic problem ...one of the mechanisms responsible for this ... See full document