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Genetic Background and Expression of the New qepA4 Gene Variant Recovered in Clinical TEM-1- and CMY-2-Producing Escherichia coli

dc.contributor.authorManageiro, Vera
dc.contributor.authorFélix, David
dc.contributor.authorJones-Dias, Daniela
dc.contributor.authorSampaio, Daniel A
dc.contributor.authorVieira, Luís
dc.contributor.authorSancho, Luísa
dc.contributor.authorFerreira, Eugénia
dc.contributor.authorCaniça, Manuela
dc.date.accessioned2018-03-07T18:41:22Z
dc.date.available2018-03-07T18:41:22Z
dc.date.issued2017-10-09
dc.description.abstractA new QepA4 variant was detected in an O86:H28 ST156-fimH38 Escherichia coli, showing a multidrug-resistance phenotype. PAβN inhibition ofqepA4-harboring transconjugant resulted in increase of nalidixic acid accumulation. TheqepA4andcatA1genes were clustered in a 26.0-kp contig matching an IncF-type plasmid, and containing a Tn21-type transposon with multiple mobile genetic elements. This QepA variant is worrisome because these determinants might facilitate the selection of higher-level resistance mutants, playing a role in the development of resistance, and/or confer higher-level resistance to fluoroquinolones in association with chromosomal mutations.pt_PT
dc.description.sponsorshipVM was supported by FCT fellowship (grant SFRH/BPD/77486/2011), financed by the European Social Funds (COMPETE-FEDER) and national funds of the Portuguese Ministry of Education and Science (POPH-QREN). The authors thank Fundação para a Ciência e a Tecnologia (FCT) for project grant PEst-OE/AGR/UI0211/2011-2014, Strategic Project UI211-2011-2014pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFront Microbiol. 2017 Oct 9;8:1899. doi: 10.3389/fmicb.2017.01899. eCollection 2017.pt_PT
dc.identifier.doi10.3389/fmicb.2017.01899pt_PT
dc.identifier.issn1664-302X
dc.identifier.urihttp://hdl.handle.net/10400.18/5353
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFrontiers Mediapt_PT
dc.relationEVOLUTIONARY POTENTIAL OF OXYIMINO-BETA-LACTAM RESISTANCE DETERMINANTS IN ANIMALS AND IDENTIFICATION OF NEW ENZYME-INHIBITORS FOR VETERINARY USE
dc.relation.publisherversionhttps://www.frontiersin.org/articles/10.3389/fmicb.2017.01899/fullpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAntibiotic Resistancept_PT
dc.subjectQepA4pt_PT
dc.subjectQuinoloneResistancept_PT
dc.subjectGenetic Characterizationpt_PT
dc.subjectPabNpt_PT
dc.subjectWGSpt_PT
dc.subjectResistência aos Antimicrobianospt_PT
dc.titleGenetic Background and Expression of the New qepA4 Gene Variant Recovered in Clinical TEM-1- and CMY-2-Producing Escherichia colipt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEVOLUTIONARY POTENTIAL OF OXYIMINO-BETA-LACTAM RESISTANCE DETERMINANTS IN ANIMALS AND IDENTIFICATION OF NEW ENZYME-INHIBITORS FOR VETERINARY USE
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F77486%2F2011/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/PEst-OE%2FAGR%2FUI0211%2F2014/PT
oaire.citation.startPage1899pt_PT
oaire.citation.titleFrontiers in Microbiologypt_PT
oaire.citation.volume8pt_PT
oaire.fundingStream5876
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.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublication3b63e7d9-d684-42ae-aff9-36815c617501
relation.isProjectOfPublicationd3e4188b-642e-4ad7-9a4d-aeea65a89449
relation.isProjectOfPublication.latestForDiscoveryd3e4188b-642e-4ad7-9a4d-aeea65a89449

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