Person:
Domínguez Bernal, Gustavo Ramón

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First Name
Gustavo Ramón
Last Name
Domínguez Bernal
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Veterinaria
Department
Sanidad Animal
Area
Sanidad Animal
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Now showing 1 - 2 of 2
  • Publication
    Detection and antimicrobial resistance of Enterobacteriaceae other than Escherichia coli in raccoons from the Madrid region of Spain
    (SCIENDO, 2022-11-04) Orden Gutiérrez, José Antonio; Martínez Rodrigo, Abel; Vela Alonso, Ana Isabel; Fernández-Garayzábal Fernández, José Francisco; Hurtado Morillas, Clara; Mas Zubiri, Alicia; Domínguez Bernal, Gustavo Ramón
    Raccoons are an invasive alien species widely distributed in the Madrid region of Spain. These animals can carry a variety of enteric bacteria with associated antimicrobial resistance, which can infect humans and livestock. However, to our knowledge, the presence of non-E. coli Enterobacteriaceae in raccoons has not been previously studied. We conducted a study to examine the species distribution of Enterobacteriaceae isolates other than E. coli, as well as their antimicrobial resistance, in the faeces of 83 raccoons in the Madrid region. We detected 12 Enterobacteriaceae isolates other than E. coli belonging to seven different species: Citrobacter freundii (1 isolate), Citrobacter gillenii (3 isolates), Citrobacter murliniae (1 isolate), Citrobacter portucalensis (2 isolates), Enterobacter hormaechei subsp. hoffmannii (1 isolate), Hafnia paralvei (2 isolates) and Raoultella ornithinolytica (2 isolates). These isolates were found in 7 of the 83 (8.4%) animals studied. To our knowledge, this study is the first report of the presence of non-E. coli Enterobacteriaceae in raccoon faeces. All isolates but one were resistant to at least one of the 14 antimicrobials tested. Resistance to ampicillin (83.3%), amoxicillinclavulanic acid (50%) and cefoxitin (33.3%) was the most frequent. Our study indicates that raccoons are a potential source of infection with Enterobacteriaceae other than E. coli for humans and livestock in the Madrid region.
  • Publication
    Raccoons (Procyon lotor) in the Madrid region of Spain are carriers of antimicrobial‐resistant Escherichia coli and enteropathogenic E. coli
    (Wiley, 2020-11-23) Isidro García‐Meniño; Saskia C. Flament‐Simon; Jorge Blanco; Francisco Sobrino; Orden Gutiérrez, José Antonio; Fuente López, Ricardo De La; Martínez Rodrigo, Abel; Mas Zubiri, Alicia; Carrión Herrero, Francisco Javier; Domínguez Bernal, Gustavo Ramón
    The role of wildlife in the epidemiology of antimicrobial resistance is unclear. Raccoons in North America can carry a variety of enteric bacteria, with associated antimicrobial resistance, that could infect humans and livestock. The potential for raccoons to carry these bacteria in Europe, where they are an invasive species, has not been explored. Our objectives were to determine the prevalence of Escherichia coli with associated antimicrobial resistance in raccoons from the Madrid region of Spain and to determine whether they are carriers of potential human pathogens, including verotoxin‐producing E. coli (VTEC) and enteropathogenic E. coli (EPEC). In total, we tested 237 E. coli isolates from the faeces of 83 euthanized raccoons for susceptibility to 14 antimicrobial agents and the presence of VTEC and EPEC. Antimicrobial resistance to at least one antimicrobial was detected in the faeces of 51% (42/83; 95% CI, 40.1–61.1) of the raccoons tested. A high percentage of raccoons carried, in their faeces, E. coli isolates resistant to ampicillin (33%), streptomycin (33%), tetracycline (30%), sulphafurazole (31%) and trimethoprim‐sulphamethoxazole (23%). We detected one isolate of extended‐spectrum β‐lactamase‐producing E. coli from the faeces of one raccoon. We detected VTEC in the faeces of one raccoon, and EPEC in the faeces of 12% (10/83) of the raccoons. Of the raccoons that carried EPEC in their faeces, 60% (6/10) carried EPEC isolates that exhibited characteristics associated with pathogenicity in humans. Raccoons in Madrid can carry pathogenic and antimicrobial‐resistant E. coli in their faeces and may be a risk to public health because of their potential to contaminate food and the environment with their faeces.