Seagulls of the Berlengas Natural Reserve of Portugal as Carriers of Fecal Escherichia coli Harboring CTX-M and TEM Extended-Spectrum Beta-Lactamases

@article{Poeta2008SeagullsOT,
  title={Seagulls of the Berlengas Natural Reserve of Portugal as Carriers of Fecal Escherichia coli Harboring CTX-M and TEM Extended-Spectrum Beta-Lactamases},
  author={Patr{\'i}cia Poeta and Hajer Radhouani and Gilberto Igrejas and Alexandre Gonçalves and Carlos Carvalho and Jorge L. M. Rodrigues and Laura Vinu{\'e} and Sergio Somalo and Carmen Torres},
  journal={Applied and Environmental Microbiology},
  year={2008},
  volume={74},
  pages={7439 - 7441}
}
ABSTRACT Escherichia coli isolates containing the following extended-spectrum beta-lactamases have been detected in 11 of 57 fecal samples (19.3%) in Berlengas Island seagulls: TEM-52 (eight isolates), CTX-M-1 (one isolate), CTX-M-14a (one isolate), and CTX-M-32 (one isolate). Most of the extended-spectrum beta-lactamase-positive isolates harbored class 1 or class 2 integrons, which included different antibiotic resistance gene cassettes. 
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The intestinal tract of S. aurata might constitute a reservoir of ESBL-producing E. coli isolates and the presence of genes encoding TEM, OXA, SHV, and CTX-M type beta-lactamases was studied by polymerase chain reaction and sequencing.
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