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One Health Insights into Enterococcus

2026-01Artigo científico Acesso aberto
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dc.contributor.authorMonteiro Marques, Joana
dc.contributor.authorPita, Beatriz
dc.contributor.authorPinto, Daniel
dc.contributor.authorBarreto-Crespo, Maria Teresa
dc.contributor.authorMato, Rosario
dc.contributor.authorSemedo-Lemsaddek, Teresa
dc.contributor.institutionDCV - Departamento de Ciências da Vida
dc.contributor.institutionUCIBIO - Applied Molecular Biosciences Unit
dc.contributor.institutionFaculdade de Ciências e Tecnologia (FCT)
dc.contributor.pblMDPI - Multidisciplinary Digital Publishing Institute
dc.date.accessioned2026-04-16T13:39:01Z
dc.date.available2026-04-16T13:39:01Z
dc.date.issued2026-01
dc.descriptionPublisher Copyright: © 2026 by the authors. Licensee MDPI, Basel, Switzerland.
dc.description.abstractEnterococcus spp. are opportunistic pathogens and commensals in humans and animals and are widely used as indicators of bacterial exchange, providing insights into antimicrobial resistance (AMR) and virulence dissemination within the One Health continuum. Enterococcus from healthy companion animals and their tutors were characterized to compare AMR profiles and virulence traits between hosts and within households in Lisbon, Portugal. Fecal samples (n = 45) were collected from 17 animals and 11 tutors. Enterococci were recovered from selective media, subjected to random amplified polymorphic DNA PCR (RAPD-PCR) and species identification, tested for antimicrobial susceptibility, and screened for virulence traits. Among animal isolates, 61% were Enterococcus faecalis, 29% E. faecium, and 10% E. hirae, whereas human enterococci comprised 52% E. faecalis, 35% E. faecium, 8% E. hirae, and 4% other species. Erythromycin resistance was identical in both groups (29%; Chi-squared test, p = 0.99). Ampicillin resistance was detected in all animal samples but was absent in human samples, whereas tetracycline and rifampicin resistance showed moderate host-specific patterns. Hemolytic activity was detected in 16% of animal and 31% of human isolates, all cylA-positive. Significant associations were observed between host origin and resistance to ampicillin and rifampicin, and between species and resistance to erythromycin and tetracycline. These findings suggest that companion animals can harbor, and potentially disseminate, AMR and virulence traits, reinforcing the need for One Health surveillance.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent1201658
dc.identifier.doi10.3390/ijms27020654
dc.identifier.issn1661-6596
dc.identifier.otherPURE: 160612161
dc.identifier.otherPURE UUID: 05dfa337-3271-4195-90ed-dd7e411807fc
dc.identifier.otherScopus: 105028662785
dc.identifier.otherPubMed: 41596304
dc.identifier.otherWOS: 001670642700001
dc.identifier.urihttp://hdl.handle.net/10362/202293
dc.identifier.urlhttps://www.scopus.com/pages/publications/105028662785
dc.language.isoeng
dc.peerreviewedyes
dc.subjectantimicrobial resistance
dc.subjectcompanion animals
dc.subjectEnterococcus
dc.subjecthealthy humans
dc.subjectOne Health
dc.subjectvirulence
dc.subjectCatalysis
dc.subjectMolecular Biology
dc.subjectComputer Science Applications
dc.subjectSpectroscopy
dc.subjectPhysical and Theoretical Chemistry
dc.subjectOrganic Chemistry
dc.subjectInorganic Chemistry
dc.subjectSDG 3 - Good Health and Well-being
dc.titleOne Health Insights into Enterococcusen
dc.title.subtitleAntimicrobial Resistance and Virulence in Companion Animals and Their Tutorsen
dc.typejournal article
degois.publication.issue2
degois.publication.titleInternational Journal of Molecular Sciences
degois.publication.volume27
dspace.entity.typePublication
rcaap.rightsopenAccess

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