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Extended-spectrum β-lactamases from the North of Portugal in the boundaries to ...
Fernandes, Rúben; Ferraz, Ricardo; Vieira, Mónica; Amador, Paula; Brito, Luísa; Coelho, Pedro; Silva, Nuno; Oliveira, C.; Prudêncio, CristinaDuring the past 15 years, emergence and dissemination of third-generation cephalosporins resistance in nosocomial Enterobacteriaceae became a serious problem worldwide, due to the production of extended-spectrum-β-lactamases (ESBLs). The aim of this study was to investigate among the presence of ESBL-producing enterobacteria among Portuguese clinical isolates nearby Spain, to investigate the antimicrobial susce...
Resistance to β-lactams in bacteria isolated from different types of Portuguese...
Amador, Paula; Fernandes, Rúben; Prudêncio, Cristina; Brito, LuísaThe purpose of this study was to investigate the presence of beta-lactam-resistant bacteria in six different types of Portuguese cheese. The numbers of ampicillin resistant (AMP(r)) bacteria varied from 4.7 x 10(2) to 1.5 x 10(7) CFU/g. Within 172 randomly selected beta-lactam-resistant bacteria, 44 resistant phenotypes were found and 31.4% were multidrug resistant. The majority (85%) of the isolates identified...
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