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Cristobal-Azkarate, J.; Dunn, J.C.; Day, J.M.W.; Amabile-Cuevas, C.F.
Resistance to antibiotics of clinical relevance in the fecal microbiota of Mexican wildlife
2014  PLoS ONE (9): 1-8

There are a growing number of reports of antibiotic resistance (ATBR) in bacteria living in wildlife. This is a cause for concern as ATBR in wildlife represents a potential public health threat. However, little is known about the factors that might determine the presence, abundance and dispersion of ATBR bacteria in wildlife. Here, we used culture and molecular methods to assess ATBR in bacteria in fecal samples from howler monkeys (_Alouatta palliata_), spider monkeys (_Ateles geoffroyi_), tapirs (_Tapirus bairdii_) and felids (jaguars, _Panthera onca_; pumas, _Puma concolor_; jaguarundis, _Puma yagouaroundi_; and ocelots, _Leopardus pardalis_) living freely in two regions of the Mexican state of Veracruz under different degrees of human influence. Overall, our study shows that ATBR is commonplace in bacteria isolated from wildlife in southeast Mexico. Most of the resistances were towards old and naturally occurring antibiotics, but we also observed resistances of potential clinical significance. We found that proximity to humans positively affected the presence of ATBR and that ATBR was higher in terrestrial than arboreal species. We also found evidence suggesting different terrestrial and aerial routes for the transmission of ATBR between humans and wildlife. The prevalence and potential ATBR transfer mechanisms between humans and wildlife observed in this study highlight the need for further studies to identify the factors that might determine ATBR presence, abundance and distribution.

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