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Updated: Aug 6, 2026

Pyrosequencing for Microbial Identification and Characterization
Published on: August 22, 2013
Pyrosequencing as a rapid tool for identification of GES-type extended-spectrum beta-lactamases
Laurent Poirel1, Thierry Naas, Patrice Nordmann
1Service de Bactériologie-Virologie, Hôpital de Bicêtre, Assistance Publique/Hôpitaux de Paris, Faculté de Médecine Paris-Sud, Université Paris XI, 94275 K.-Bicêtre, France.
Abstract:
A pyrosequencing technique was used for identification of extended-spectrum beta-lactamases (ESBLs) of GES type. These beta-lactamases are isolated increasingly emerging in gram-negative bacteria worldwide. This rapid and reliable identification method is interesting, since GES variants, including not only expanded-spectrum cephalosporins but also carbapenems, cephamycins, and monobactams, are the only ESBLs that possess different hydrolysis profiles.
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