ESBL-Producing Escherichia coli Carrying CTX-M Genes Circulating among Livestock, Dogs, and Wild Mammals in Small-Scale Farms of Central Chile

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dc.contributor.authorBenavides, Julio A.
dc.contributor.authorSalgado-Caxito, Marília
dc.contributor.authorOpazo-Capurro, Andrés
dc.contributor.authorGonzález Muñoz, Paulina
dc.contributor.authorPiñeiro, Ana
dc.contributor.authorOtto Medina, Macarena
dc.contributor.authorRivas, Lina
dc.contributor.authorMunita, José
dc.contributor.authorMillán, Javier
dc.date.accessioned2022-01-11T17:59:09Z
dc.date.available2022-01-11T17:59:09Z
dc.date.issued2021
dc.description.abstractAntibiotic-resistant bacteria of critical importance for global health such as extended-spectrum beta-lactamases-producing (ESBL)-Escherichia coli have been detected in livestock, dogs, and wildlife worldwide. However, the dynamics of ESBL-E. coli between these animals remains poorly understood, particularly in small-scale farms of low and middle-income countries where contact between species can be frequent. We compared the prevalence of fecal carriage of ESBL-E. coli among 332 livestock (207 cows, 15 pigs, 60 horses, 40 sheep, 6 goats, 4 chickens), 82 dogs, and wildlife including 131 European rabbits, 30 rodents, and 12 Andean foxes sharing territory in peri-urban localities of central Chile. The prevalence was lower in livestock (3.0%) and wildlife (0.5%) compared to dogs (24%). Among 47 ESBL-E. coli isolates recovered, CTX-M-group 1 was the main ESBL genotype identified, followed by CTX-M-groups 2, 9, 8, and 25. ERIC-PCR showed no cluster of E. coli clones by either host species nor locality. To our knowledge, this is the first report of ESBL-E. coli among sheep, cattle, dogs, and rodents of Chile, confirming their fecal carriage among domestic and wild animals in small-scale farms. The high prevalence of ESBL-E. coli in dogs encourages further investigation on their role as potential reservoirs of this bacteria in agricultural settingses
dc.description.versionVersión publicado
dc.identifier.citationBenavides, J.A.; Salgado-Caxito, M.; Opazo-Capurro, A.; González Muñoz, P.; Piñeiro, A.; Otto Medina, M.; Rivas, L.; Munita, J.; Millán, J. ESBL-Producing Escherichia coli Carrying CTX-M Genes Circulating among Livestock, Dogs, and Wild Mammals in Small-Scale Farms of Central Chile. Antibiotics 2021, 10, 510. https://doi.org/ 10.3390/antibiotics10050510es
dc.identifier.urihttps://doi.org/ 10.3390/antibiotics10050510es
dc.identifier.urihttp://hdl.handle.net/11447/5427
dc.language.isoenes
dc.subjectantimicrobial resistancees
dc.subjectblaCTX-Mes
dc.subjectChilees
dc.subjectdomestic animalses
dc.subjectE. colies
dc.subjectextended-spectrum beta-lactamaseses
dc.subjectwildlifees
dc.titleESBL-Producing Escherichia coli Carrying CTX-M Genes Circulating among Livestock, Dogs, and Wild Mammals in Small-Scale Farms of Central Chilees
dc.typeArticlees
dcterms.sourceAntibioticses

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