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Rapid detection of β-lactamase-hydrolyzing extended-spectrum cephalosporins in Enterobacteriaceae by use of the new chromogenic βLacta test

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Morosini, María Isabel and García Castillo, María and Tato, Marta and Gijón, Desirèe and Valverde, Aránzazu and Ruiz Garbajosa, Patricia and Cantón, Rafael (2014) Rapid detection of β-lactamase-hydrolyzing extended-spectrum cephalosporins in Enterobacteriaceae by use of the new chromogenic βLacta test. Journal of clinical microbiology, 52 (5). pp. 1741-4. ISSN 1098-660X

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Official URL: http://dx.doi.org/10.1128 /JCM.03614-13



Abstract

The chromogenic βLacta test developed for the rapid detection of β-lactamase-hydrolyzing extended-spectrum cephalosporins in Enterobacteriaceae revealed good performance with extended-spectrum β-lactamase (ESBL) producers (97.5% true-positive results). However, false-negative results occurred with chromosomal AmpC hyperproducers and plasmid AmpC producers, whereas uninterpretable results were mostly due to VIM-1 carbapenemase producers and possibly low levels of expressed ESBLs.


Item Type:Article
Subjects:Medical sciences > Veterinary
ID Code:39638
Deposited On:10 Jan 2017 08:39
Last Modified:10 Jan 2017 08:39

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