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dc.contributor.authorMußmann, Marc-
dc.contributor.authorRibot, Miquel-
dc.contributor.authorVon Schiller, D.-
dc.contributor.authorMerbt, S.-
dc.contributor.authorAugspurger, C.-
dc.contributor.authorKarwautz, C.-
dc.contributor.authorWinkel, M.-
dc.contributor.authorBattin, T. J.-
dc.contributor.authorMartí, Eugènia-
dc.contributor.authorDaims, H.-
dc.date.accessioned2014-03-05T12:34:56Z-
dc.date.available2014-03-05T12:34:56Z-
dc.date.issued2013-
dc.identifier.citationFEMS Microbiology Ecology 85(1) : 104-115 (2013)es_ES
dc.identifier.issn0168-6496-
dc.identifier.urihttp://hdl.handle.net/10261/93033-
dc.description12 páginas, 5 figuras, 2 tablas.es_ES
dc.description.abstractEffluents from wastewater treatment plants (WWTPs) containing microorganisms and residual nitrogen can stimulate nitrification in freshwater streams. We hypothesized that different ammonia-oxidizing (AOB) and nitriteoxidizing (NOB) bacteria present in WWTP effluents differ in their potential to colonize biofilms in the receiving streams. In an experimental approach, we monitored biofilm colonization by nitrifiers in ammonium- or nitrite-fed microcosm flumes after inoculation with activated sludge. In a field study, we compared the nitrifier communities in a full-scale WWTP and in epilithic biofilms downstream of the WWTP outlet. Despite substantially different ammonia concentrations in the microcosms and the stream, the same nitrifiers were detected by fluorescence in situ hybridization in all biofilms. Of the diverse nitrifiers present in the WWTPs, only AOB of the Nitrosomonas oligotropha/ureae lineage and NOB of Nitrospira sublineage I colonized the natural biofilms. Analysis of the amoA gene encoding the alpha subunit of ammonia monooxygenase of AOB revealed seven identical amoA sequence types. Six of these affiliated with the N. oligotropha/ureae lineage and were shared between the WWTP and the stream biofilms, but the other shared sequence type grouped with the N. europaea/eutropha and N. communis lineage. Measured nitrification activities were high in the microcosms and the stream. Our results show that nitrifiers from WWTPs can colonize freshwater biofilms and confirm that WWTPaffected streams are hot spots of nitrification.es_ES
dc.description.sponsorshipThis work was supported by the Austrian Science Fund (FWF) Grant I44-B06, the Max Planck Society and the European Science Foundation Contract ERAS-CT-2003-980409 of the European Commission, DG Research, FP6.es_ES
dc.language.isoenges_ES
dc.publisherWiley-Blackwelles_ES
dc.rightsopenAccesses_ES
dc.subjectWastewater treatment plantses_ES
dc.subjectColonizationes_ES
dc.subjectNitrificationes_ES
dc.subjectAmmonia oxidizerses_ES
dc.subjectNitrite oxidizerses_ES
dc.subjectFreshwater biofilmes_ES
dc.titleColonization of freshwater biofilms by nitrifying bacteria from activated sludgees_ES
dc.typeartículoes_ES
dc.identifier.doi10.1111/1574-6941.12103-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1111/1574-6941.12103es_ES
dc.identifier.e-issn1574-6941-
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