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The role of aquatic ecosystems (River Tua, Portugal) as reservoirs of multidrug-resistant Aeromonas spp.

2021Journal article Open access
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dc.contributor.authorGomes, Sónia
dc.contributor.authorFernandes, Conceição
dc.contributor.authorMonteiro, Sandra Mariza
dc.contributor.authorCabecinha, Edna
dc.contributor.authorTeixeira, Amílcar
dc.contributor.authorVarandas, Simone
dc.contributor.authorSaavedra, Maria José
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-22T11:07:45Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-22T11:07:45Z
dc.date.issued2021
dc.description.abstractThe inappropriate use of antibiotics, one of the causes of the high incidence of antimicrobialresistant bacteria isolated from aquatic ecosystems, represents a risk for aquatic organisms and the welfare of humans. This study aimed to determine the antimicrobial resistance rates among riverine Aeromonas spp., taken as representative of the autochthonous microbiota, to evaluate the level of antibacterial resistance in the Tua River (Douro basin). The prevalence and degree of antibiotic resistance was examined using motile aeromonads as a potential indicator of antimicrobial susceptibility for the aquatic environment. Water samples were collected from the middle sector of the river, which is most impacted area by several anthropogenic pressures. Water samples were plated on an Aeromonas-selective agar, with and without antibiotics. The activity of 19 antibiotics was studied against 30 isolates of Aeromonas spp. using the standard agar dilution susceptibility test. Antibiotic resistance rates were fosfomycin (FOS) 83.33%, nalidixic acid (NA) 60%, cefotaxime (CTX) 40%, gentamicin (CN) 26.67%, tobramycin (TOB) 26.67%, cotrimoxazole (SXT) 26.67%, chloramphenicol (C) 16.67%, and tetracycline (TE) 13.33%. Some of the nalidixic acid-resistant strains were susceptible to fluoroquinolones. Multiple resistance was also observed (83.33%). The environmental ubiquity, the natural susceptibility to antimicrobials and the zoonotic potential of Aeromonas spp. make them optimal candidates for studying antimicrobial resistance (AMR) in aquatic ecosystems. Aquatic environments may provide an ideal setting for the acquisition and dissemination of antibiotic resistance because anthropogenic activities frequently impact them. The potential risk of multi- and pan-resistant bacteria transmission between animals and humans should be considered in a “One Health-One World” concept.en_EN
dc.description.sponsorshipThis research was supported by the Portuguese Foundation for Science and Technology (FCT) and the Operational Competitiveness Programme (COMPETE), under the projectsUIDB/04033/2020 (CITAB-UTAD) and the UIDB/00690/2020 (CIMO-IPB).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationGomes, Sónia; Fernandes, Conceição; Monteiro, Sandra; Cabecinha, Edna; Teixeira, Amílcar; Varandas, Simone; Saavedra, Maria José (2021). The role of aquatic ecosystems (River Tua, Portugal) as reservoirs of multidrug-resistant Aeromonas spp. Water. ISSN 2073-4441. 13:5, p. 1-13en_EN
dc.identifier.doi10.3390/w13050698en_EN
dc.identifier.urihttp://hdl.handle.net/10198/24228
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationCentre for the Research and Technology of Agro-Environmental and Biological Sciences
dc.relationMountain Research Center
dc.subjectAeromonas sppen_EN
dc.subjectAnthropogenic pressuresen_EN
dc.subjectAntibiotic resistanceen_EN
dc.subjectMultidrug resistanceen_EN
dc.subjectOne Health-One Worlden_EN
dc.subjectRiver pollutionen_EN
dc.titleThe role of aquatic ecosystems (River Tua, Portugal) as reservoirs of multidrug-resistant Aeromonas spp.en_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for the Research and Technology of Agro-Environmental and Biological Sciences
oaire.awardTitleMountain Research Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04033%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameFernandes
person.familyNameTeixeira
person.givenNameConceição
person.givenNameAmilcar
person.identifier15483
person.identifier2153193
person.identifier.ciencia-id6514-3D41-4534
person.identifier.ciencia-id9510-3CF3-0393
person.identifier.orcid0000-0003-2873-501X
person.identifier.orcid0000-0001-5336-1174
person.identifier.scopus-author-id23018336600
person.identifier.scopus-author-id7202385393
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublicationd9c26c54-5e10-4ccb-b7f7-528af9eb9950
relation.isAuthorOfPublication4f0753fd-4b4f-46f6-8e2f-20c7f835a32a
relation.isAuthorOfPublication.latestForDiscoveryd9c26c54-5e10-4ccb-b7f7-528af9eb9950
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