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Diversity and antibiotic resistance patterns of sphingomonadaceae isolates from drinking water

2011Journal article Open access
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dc.contributor.authorVaz-Moreira, Ivone
dc.contributor.authorNunes, Olga C.
dc.contributor.authorManaia, Célia M.
dc.date.accessioned2012-01-12T12:47:47Z
dc.date.available2012-01-12T12:47:47Z
dc.date.issued2011
dc.description.abstractSphingomonadaceae (n = 86) were isolated from a drinking water treatment plant (n = 6), tap water (n = 55), cup fillers for dental chairs (n = 21), and a water demineralization filter (n = 4). The bacterial isolates were identified based on analysis of the 16S rRNA gene sequence, and intraspecies variation was assessed on the basis of atpD gene sequence analysis. The isolates were identified as members of the genera Sphingomonas (n = 27), Sphingobium (n = 28), Novosphingobium (n = 12), Sphingopyxis (n = 7), and Blastomonas (n = 12). The patterns of susceptibility to five classes of antibiotics were analyzed and compared for the different sites of isolation and taxonomic groups. Colistin resistance was observed to be intrinsic (92%). The highest antibiotic resistance prevalence values were observed in members of the genera Sphingomonas and Sphingobium and for beta-lactams, ciprofloxacin, and cotrimoxazole. In tap water and in water from dental chairs, antibiotic resistance was more prevalent than in the other samples, mainly due to the predominance of isolates of the genera Sphingomonas and Sphingobium. These two genera presented distinct patterns of association with antibiotic resistance, suggesting different paths of resistance development. Antibiotic resistance patterns were often related to the species rather than to the site or strain, suggesting the importance of vertical resistance transmission in these bacteria. This is the first study demonstrating that members of the family Sphingomonadaceae are potential reservoirs of antibiotic resistance in drinking water.por
dc.description.versioninfo:eu-repo/semantics/acceptedVersion
dc.identifier.citationVAZ-MOREIRA, Ivone; NUNES, Olga C.; MANAIA, Célia M. - Diversity and antibiotic resistance patterns of sphingomonadaceae isolates from drinking water. Applied and Environmental Microbiology. ISSN 1098-5336. Vol. 77, n.º 16 (2011), p. 5697–5706por
dc.identifier.doi10.1128/AEM.00579-11
dc.identifier.eissn1098-5336
dc.identifier.issn0099-2240
dc.identifier.urihttp://hdl.handle.net/10400.14/7434
dc.identifier.wosWOS:000293504400017
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherAmerican Society for Microbiologypor
dc.relationLA50016
dc.titleDiversity and antibiotic resistance patterns of sphingomonadaceae isolates from drinking waterpor
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FAMB%2F70825%2F2006/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F27978%2F2006/PT
oaire.citation.endPage5706
oaire.citation.issue16
oaire.citation.startPage5697
oaire.citation.titleApplied and Environmental Microbiology
oaire.citation.volume77
oaire.fundingStream3599-PPCDT
oaire.fundingStreamSFRH
person.familyNameVaz-Moreira
person.familyNameNunes
person.familyNameManaia
person.givenNameIvone
person.givenNameOlga
person.givenNameCélia
person.identifier602434
person.identifier.ciencia-id9E17-544E-800D
person.identifier.ciencia-idBA14-BD30-C9AF
person.identifier.ciencia-idC31F-553B-6365
person.identifier.orcid0000-0001-8912-9836
person.identifier.orcid0000-0003-4742-2537
person.identifier.orcid0000-0002-3674-1789
person.identifier.scopus-author-id16044425800
person.identifier.scopus-author-id7005088596
person.identifier.scopus-author-id6602465318
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.rightsopenAccesspor
rcaap.typearticlepor
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