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Antibiotic resistance in enterobacteriaceae isolated from Portuguese deli meats

dc.contributor.authorAmador, Paula
dc.contributor.authorFernandes, Rúben
dc.contributor.authorBrito, Luísa
dc.contributor.authorPrudêncio, Cristina
dc.date.accessioned2014-02-03T11:27:29Z
dc.date.available2014-02-03T11:27:29Z
dc.date.issued2011
dc.date.updated2013-07-25T20:50:40Z
dc.description.abstractThis study aimed to identify the presence of β-lactam-resistant bacteria in different types of Portuguese deli meats. The numbers of ampicillin resistant bacteria varied from negative in 25 g to 1.0 × 108colony-forming units/g. Within 78 randomly selected β-lactam-resistant bacteria, 24 different resistant phenotypes were found and 35.9% were multidrug resistant (MDR). The majority (87.2%) of the isolates identified belonged to the Enterobacteriaceae family. The presence of the blaTEM gene was detected in 23 out of 67 isolates (34.3%) and 16 of them presented MDR phenotypes. Four Klebsiella oxytoca isolates (6%) harbored a gene for the CTX-M/OXY-type enzyme. The direct sequencing of their purified amplicons confirmed the presence of three types of blaOXYgenes (blaOXY-1, blaOXY-2 and blaOXY-5). These results suggest that without good hygienic practices, deli meats may act as a vehicle of transfer of β-lactam-resistant bacteria to the gastrointestinal tract of consumers.por
dc.identifier.doi10.1111/j.1745-4565.2010.00258.x
dc.identifier.urihttp://hdl.handle.net/10400.22/3600
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherWileypor
dc.relation.ispartofseriesJournal of Food Safety; Vol. 31, Nº 1
dc.relation.publisherversionhttp://onlinelibrary.wiley.com/doi/10.1111/j.1745-4565.2010.00258.x/abstractpor
dc.titleAntibiotic resistance in enterobacteriaceae isolated from Portuguese deli meatspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage20por
oaire.citation.issueNº 1por
oaire.citation.startPage1por
oaire.citation.titleJournal of Food Safetypor
oaire.citation.volumeVol. 31por
person.familyNameFernandes
person.familyNamePrudêncio
person.givenNameRúben
person.givenNameCristina
person.identifier635792
person.identifier1200571
person.identifier.ciencia-id0D1F-4090-E82A
person.identifier.ciencia-idC81E-F4EE-FADE
person.identifier.orcid0000-0001-8933-3984
person.identifier.orcid0000-0002-9920-936X
person.identifier.scopus-author-id57640135700
person.identifier.scopus-author-id6508057930
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication9e6c397c-62d8-4a40-8ec7-ad05ae0ebcc4
relation.isAuthorOfPublication881a8ad5-ab13-4e49-89f4-08ca61cc81e3
relation.isAuthorOfPublication.latestForDiscovery881a8ad5-ab13-4e49-89f4-08ca61cc81e3

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