In: Antimicrobial Agents and Chemotherapy, 2014, p. AAC.02695–14
The whole sequence of plasmid pENVA carrying the extended-spectrum ß-lactamase gene blaCTX-M-15 was determined. It has been identified from a series of clonally-related Klebsiella pneumoniae ST274 strains recovered from companion animals. This plasmid was 253,984-bp in-size and harbored, in addition to blaCTX-M-15, a large array of genes encoding...
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In: BioMed Research International, 2014, vol. 2014, p. e249856
The emergence of one of the most recently described carbapenemases, namely, the New Delhi metallo-lactamase (NDM-1), constitutes a critical and growingly important medical issue. This resistance trait compromises the efficacy of almost all lactams (except aztreonam), including the last resort carbapenems. Therapeutical options may remain limited mostly to colistin, tigecycline, and fosfomycin....
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In: Antimicrobial Agents and Chemotherapy, 2014, vol. 58, no. 5, p. 2929–2933
Twenty-two consecutive carbapenem-resistant enterobacterial isolates were recovered from patients hospitalized between January and April 2013 in different units at a university hospital in Istanbul, Turkey. These were Klebsiella pneumoniae isolates producing the carbapenemases OXA-48, NDM-1, and KPC-2, Enterobacter cloacae isolates producing NDM-1, and Escherichia coli isolates producing OXA-48....
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In: Antimicrobial Agents and Chemotherapy, 2014, vol. 58, no. 4, p. 2472–2474
Twelve consecutive carbapenem-resistant Escherichia coli isolates were recovered from patients (infection or colonization) hospitalized between March and September 2012 in different units at a hospital in Bulgaria. They all produced the carbapenemase NDM-1 and the extended-spectrum-β-lactamase CTX-M-15, together with the 16S rRNA methylase RmtB, conferring high-level resistance to all...
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In: New Microbes and New Infections, 2014, vol. 2, no. 2, p. 50–51
We report here the first identification of the worldwide spread of Klebsiella pneumoniae carbapenemase-2-producing and carbapenem-resistant K. pneumoniae clone ST258 in Turkey, a country where the distantly-related carbapenemase OXA-48 is known to be endemic. Worryingly, this isolate was also resistant to colistin, now considered to be the last-resort antibiotic for carbapenem-resistant isolates.
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In: Antimicrobial Agents and Chemotherapy, 2014, vol. 58, no. 2, p. 1269–1269
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In: Antimicrobial Agents and Chemotherapy, 2014, vol. 58, no. 1, p. 618–619
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In: Journal of Antimicrobial Chemotherapy, 2014, vol. 69, no. 7, p. 2007-2008
We read with great interest two recent publications dealing with the same topic, i.e. the public health risk related to the occurrence of acquired carbapenemase-producing Gram-negative species in the animal world and the environment.1,2 Woodford et al.1 highlight the series of reports of carbapenemases found either in bacteria isolated from non-human sources or in Salmonella enterica subsp....
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In: Journal of Clinical Microbiology, 2014, p. JCM.00594–14
Multidrug-resistant Acinetobacter baumannii isolates, and particularly carbapenemase-producing isolates, are increasingly reported worldwide. The biochemically-based Carba NP test, extensively validated for detection of carbapenemase producers among Enterobacteriaceae and Pseudomonas spp., has been modified for the detection of carbapenemase production in Acinetobacter spp. A collection of 151...
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In: Journal of Antimicrobial Chemotherapy, 2014, vol. 69, no. 2, p. 445-450
Objectives To assess the performance of the agar disc diffusion method for the detection of carbapenemase-producing Enterobacteriaceae (CPE) referred to the national reference laboratories (NRLs) in Belgium and France.Methods All Enterobacteriaceae isolates referred to the NRLs for the confirmation of CPE in 2012 were included. The inhibition zone diameters of...
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