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

Author:

Poeta Patricia123,Radhouani Hajer13,Igrejas Gilberto45,Gonçalves Alexandre1,Carvalho Carlos45,Rodrigues Jorge12,Vinué Laura3,Somalo Sergio3,Torres Carmen3

Affiliation:

1. University of Trás-os-Montes and Alto Douro, Veterinary Science Department, Vila Real, Portugal

2. Center of Studies of Animal and Veterinary Sciences, Vila Real, Portugal

3. Biochemistry and Molecular Biology Unit, University of La Rioja, Logroño, Spain

4. University of Trás-os-Montes and Alto Douro, Department of Genetics and Biotechnology, Vila Real, Portugal

5. Institute for Biotechnology and Bioengineering, Center of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal

Abstract

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.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

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