Effects of Inoculum and β-Lactamase Activity in AmpC- and Extended-Spectrum β-Lactamase (ESBL)-Producing Escherichia coli and Klebsiella pneumoniae Clinical Isolates Tested by Using NCCLS ESBL Methodology

Escherichia coli and Klebsiella pneumoniae isolates with extended-spectrum β-lactamases (ESBLs) or AmpC cephalosporinases generally respond as predicted to NCCLS tests for ESBL production. However, inoculum size may affect MICs. The effect of inoculum level in clinical isolates expressing β-lactamas...

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Main Authors: Queenan, Anne Marie, Foleno, Barbara, Gownley, Colleen, Wira, Ellyn, Bush, Karen
Formato: Artigo
Idioma:Inglês
Publicado: American Society for Microbiology 2004
Assuntos:
Bacteriology
Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC321709/
https://ncbi.nlm.nih.gov/pubmed/14715764
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1128/JCM.42.1.269-275.2004
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