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.authorMuñoz, Paulina González
dc.contributor.authorPiñeiro, Ana
dc.contributor.authorMedina, Macarena Otto
dc.contributor.authorRivas, Lina
dc.contributor.authorMunita, Jose
dc.contributor.authorMunita J.
dc.contributor.authorMillán, Javier
dc.date.accessioned2024-06-25T15:49:00Z
dc.date.available2024-06-25T15:49:00Z
dc.date.issued2021-05
dc.descriptionIndexación: Scopus.
dc.description.abstractAntibiotic-resistant bacteria of critical importance for global health such as extendedspectrum 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 settings.
dc.description.urihttps://www.mdpi.com/2079-6382/10/5/510
dc.identifier.citationAntibiotics Volume 10, Issue 5 May 2021 Article number 510
dc.identifier.doi10.3390/antibiotics10050510
dc.identifier.issn2079-6382
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/57963
dc.language.isoen_US
dc.publisherMDPI AG
dc.rights.licenseATRIBUCIÓN 4.0 INTERNACIONAL
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectAntimicrobial resistance
dc.subjectblaCTX-M
dc.subjectChile
dc.subjectDomestic animals
dc.subjectE. coli
dc.subjectExtended-spectrum beta-lactamases
dc.subjectWildlife
dc.titleESBL-producing escherichia coli carrying CTX-M genes circulating among livestock, dogs, and wild mammals in small-scale farms of central Chile
dc.typeArtículo
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