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Nationwide Investigation of Extended-Spectrum β-Lactamases, Metallo-β-Lactamases, and Extended-Spectrum Oxacillinases Produced by Ceftazidime-Resistant Pseudomonas aeruginosa Strains in France ▿

By Didier Hocquet, Patrick Plésiat, Barbara Dehecq, Pierre Mariotte, Daniel Talon and Xavier Bertrand


A nationwide study aimed to identify the extended-spectrum β-lactamases (ESBLs), metallo-β-lactamases (MBLs), and extended-spectrum oxacillinases (ES-OXAs) in a French collection of 140 clinical Pseudomonas aeruginosa isolates highly resistant to ceftazidime. Six ESBLs (PER-1, n = 3; SHV-2a, n = 2; VEB-1a, n = 1), four MBLs (VIM-2, n = 3; IMP-18, n = 1), and five ES-OXAs (OXA-19, n = 4; OXA-28, n = 1) were identified in 13 isolates (9.3% of the collection). The prevalence of these enzymes is still low in French clinical P. aeruginosa isolates but deserves to be closely monitored

Topics: Mechanisms of Resistance
Publisher: American Society for Microbiology (ASM)
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Provided by: PubMed Central
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