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Antibiotic resistance among gastrointestinal bacteria in broilers: a review focused on Enterococcus spp. and Escherichia coli

dc.contributor.authorRibeiro, Jessica
dc.contributor.authorSilva, Vanessa
dc.contributor.authorMonteiro, Andreia
dc.contributor.authorVieira-Pinto, Madalena
dc.contributor.authorIgrejas, Gilberto
dc.contributor.authorReis, Filipa S.
dc.contributor.authorBarros, Lillian
dc.contributor.authorPoeta, Patrícia
dc.date.accessioned2018-04-09T09:10:20Z
dc.date.available2018-04-09T09:10:20Z
dc.date.issued2023
dc.description.abstractSimple Summary Chicken meat has become one of the most consumed meats worldwide, and antibiotics have been used to ensure high levels of production. However, antibiotic usage in animal production has contributed to the development of antibiotic-resistant bacteria, largely among intestinal microbiota. Enterococcus spp. and Escherichia coli are frequently found in the gastrointestinal tract of chickens, and the presence of resistant strains has been revealed by several studies. Enterococcus spp. isolated from broilers have shown resistance to at least seven classes of antibiotics, while E. coli have shown resistance to at least four. Furthermore, some clonal lineages, such as ST16, ST194, and ST195 in Enterococcus spp. and ST117 in E. coli, have been identified in broilers and humans. These data suggest that bacteria can be transmitted through the consumption of contaminated animal-source food, direct contact with animals, or environmental exposure. Therefore, the main goal of this review was to highlight the existing literature on the gastrointestinal microbiota in broilers and antibiotic-resistant Enterococcus spp. and E. coli of broiler origin. Chickens can acquire bacteria at different stages, and bacterial diversity can occur due to production practices, diet, and environment. The changes in consumer trends have led to increased animal production, and chicken meat is one of the most consumed meats. To ensure high levels of production, antimicrobials have been used in livestock for therapeutic purposes, disease prevention, and growth promotion, contributing to the development of antimicrobial resistance across the resident microbiota. Enterococcus spp. and Escherichia coli are normal inhabitants of the gastrointestinal microbiota of chickens that can develop strains capable of causing a wide range of diseases, i.e., opportunistic pathogens. Enterococcus spp. isolated from broilers have shown resistance to at least seven classes of antibiotics, while E. coli have shown resistance to at least four. Furthermore, some clonal lineages, such as ST16, ST194, and ST195 in Enterococcus spp. and ST117 in E. coli, have been identified in humans and animals. These data suggest that consuming contaminated animal-source food, direct contact with animals, or environmental exposure can lead to the transmission of antimicrobial-resistant bacteria. Therefore, this review focused on Enterococcus spp. and E. coli from the broiler industry to better understand how antibiotic-resistant strains have emerged, which antibiotic-resistant genes are most common, what clonal lineages are shared between broilers and humans, and their impact through a One Health perspective.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRibeiro, Jessica; Silva, Vanessa; Monteiro, Andreia; Vieira-Pinto, Madalena; Igrejas, Gilberto; Reis, Filipa S.; Barros, Lillian; Poeta, Patrícia (2023). Antibiotic resistance among gastrointestinal bacteria in broilers: a review focused on Enterococcus spp. and Escherichia coli. Animals. ISSN 2076-2615. 13:8, p. 1-29pt_PT
dc.identifier.doi10.3390/ani13081362
dc.identifier.issn2076-2615
dc.identifier.urihttp://hdl.handle.net/10198/16762
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPI
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAntibiotic resistancept_PT
dc.subjectBroilerspt_PT
dc.subjectFood animalspt_PT
dc.subjectGastrointestinal microbiotapt_PT
dc.subjectOne healthpt_PT
dc.titleAntibiotic resistance among gastrointestinal bacteria in broilers: a review focused on Enterococcus spp. and Escherichia colipt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleAnimalspt_PT
person.familyNameReis
person.familyNameBarros
person.givenNameFilipa S.
person.givenNameLillian
person.identifier469085
person.identifier.ciencia-id391F-AFE1-64C7
person.identifier.ciencia-id9616-35CB-D001
person.identifier.orcid0000-0002-9159-0530
person.identifier.orcid0000-0002-9050-5189
person.identifier.ridI-2093-2013
person.identifier.ridJ-3600-2013
person.identifier.scopus-author-id36982144400
person.identifier.scopus-author-id35236343600
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb8d384ae-2134-4735-93a6-0d2febbf9220
relation.isAuthorOfPublication3af07ffe-f914-48ba-a5d5-efcf70fdce01
relation.isAuthorOfPublication.latestForDiscoveryb8d384ae-2134-4735-93a6-0d2febbf9220

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