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Presence of microbial pathogens and genetic diversity of listeria monocytogenes in a constructed wetland system

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dc.contributor.authorCalheiros, Cristina S. C.
dc.contributor.authorFerreira, Vânia
dc.contributor.authorMagalhães, Rui
dc.contributor.authorTeixeira, Paula
dc.contributor.authorCastro, Paula
dc.date.accessioned2017-12-18T18:23:29Z
dc.date.available2017-12-18T18:23:29Z
dc.date.issued2017
dc.description.abstractThe potential of constructed wetlands (CWs) as a low technology for wastewater treatment is timely but there is a need to understand the route of pathogenic bacteria (Listeria monocytogenes and Salmonella spp.) and indicator organisms (Enterobacteriaceae and Escherichia coli) present in wastewater within those systems and to what extent they can compromise the further use of the plants (enabling in-house ornamental use) and water reuse (irrigation purposes). In the present study the fate of potential pathogenic bacteria within a CW, with ornamental plants, and an outlet pond established in a tourism house for wastewater treatment was assessed. The fate of pathogenic bacteria in lettuce, both plant tissues and soil, subject to irrigation with water contaminated either with L. monocytogenes or E. coli (indicator organism) was investigated. The uptake of indicator organisms by the CW ornamental plants was low and there was a decrease, from the CW wastewater inlet to the outlet, of up to 3 log for Enterobacteriaceae and up to 2 log for E. coli. Concerning Salmonella spp. no detection was registered in the water, plant tissues or substrate within the CW. On the other hand, several L. monocytogenes isolates were retrieved from water, root and substrate samples, found to have a high susceptibility to a battery of antibiotics. The irrigation of lettuce with water containing pathogenic bacteria (L. monocytogenes) and indicator organisms (E. coli) must be considered with caution since both bacteria were detected in the soil growing media and internalization of L. monocytogenes in roots was observed. These issues are poorly investigated and to our knowledge not addressed in the sphere of CWs.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCalheiros, C. S., Ferreira, V., Magalhaes, R., Teixeira, P., Lima Castro, P. M. (2017). Presence of microbial pathogens and genetic diversity of listeria monocytogenes in a constructed wetland system. Ecological Engineering, 102, 344-351pt_PT
dc.identifier.doi10.1016/j.ecoleng.2017.02.013pt_PT
dc.identifier.eid85014105768
dc.identifier.eissn1872-6992
dc.identifier.issn0925-8574
dc.identifier.urihttp://hdl.handle.net/10400.14/23715
dc.identifier.wos000399623700035
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationFloating wetland islands to promote water quality enhancement and ecosystem restoration
dc.relationCHARACTERISTICS OF SPECIFIC STRAINS OF LISTERIA MONOCYTOGENES POTENTIATING PERSISTENCE IN FOOD AND FOOD PROCESSING ENVIRONMENTS AND RELEVANCE TO FOOD SAFETY
dc.subjectEnterobacteriaceaept_PT
dc.subjectEscherichia colipt_PT
dc.subjectListeria monocytogenespt_PT
dc.subjectSalmonellapt_PT
dc.subjectConstructed wetlandpt_PT
dc.titlePresence of microbial pathogens and genetic diversity of listeria monocytogenes in a constructed wetland systempt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleFloating wetland islands to promote water quality enhancement and ecosystem restoration
oaire.awardTitleCHARACTERISTICS OF SPECIFIC STRAINS OF LISTERIA MONOCYTOGENES POTENTIATING PERSISTENCE IN FOOD AND FOOD PROCESSING ENVIRONMENTS AND RELEVANCE TO FOOD SAFETY
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F63204%2F2009/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F109711%2F2015/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F71704%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F50016%2F2013/PT
oaire.citation.endPage351pt_PT
oaire.citation.startPage344pt_PT
oaire.citation.titleEcological Engineeringpt_PT
oaire.citation.volume102pt_PT
oaire.fundingStreamSFRH
oaire.fundingStreamSFRH
oaire.fundingStream5876
person.familyNameCalheiros
person.familyNameBorges Ferreira
person.familyNameMagalhães
person.familyNameTeixeira
person.familyNameCastro
person.givenNameCristina
person.givenNameVânia
person.givenNameRui
person.givenNamePaula
person.givenNamePaula
person.identifierK-1359-2014
person.identifier2013444
person.identifier.ciencia-id5D10-BCF9-05F6
person.identifier.ciencia-id4C1A-BDD4-D716
person.identifier.ciencia-id7C1F-6C72-354A
person.identifier.orcid0000-0003-3159-3497
person.identifier.orcid0000-0001-7093-9193
person.identifier.orcid0000-0003-3172-440X
person.identifier.orcid0000-0002-6296-5137
person.identifier.orcid0000-0001-8841-6606
person.identifier.ridA-1151-2011
person.identifier.ridK-1343-2014
person.identifier.ridK-1359-2014
person.identifier.ridJ-8678-2014
person.identifier.ridM-8241-2013
person.identifier.scopus-author-id10142144500
person.identifier.scopus-author-id8317338900
person.identifier.scopus-author-id6603813414
person.identifier.scopus-author-id7005895206
person.identifier.scopus-author-id7102781782
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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