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Detection of Planktothrix rubescens (Cyanobacteria) associated with microcystin production in a freshwater reservoir

dc.contributor.authorPaulino, Sérgio
dc.contributor.authorValério, Elisabete
dc.contributor.authorFaria, Natália
dc.contributor.authorFastner, Jutta
dc.contributor.authorWelker, Martin
dc.contributor.authorTenreiro, Rogério
dc.contributor.authorPereira, Paulo
dc.date.accessioned2012-10-30T18:44:02Z
dc.date.available2012-10-30T18:44:02Z
dc.date.issued2008-11-16
dc.description.abstractSo far, the presence of microcystins in Portuguese freshwater resources has always been attributed to the bloom-forming cyanobacteria Microcystis aeruginosa. In 2005, however, microcystins were detected at the Beliche reservoir (Algarve, South Portugal), following the development of a bloom dominated by Planktothrix rubescens. The identity of the causative organism was confirmed by combining both morphological and 16S rRNA gene sequence analysis. Its ability to produce microcystins was confirmed by HPLC and MALDI-TOF MS. Unlike M. aeruginosa that usually accumulates near the water surface, P. rubescens found at the Beliche reservoir accumulated only at deep water levels. Being invisible from the surface, the occurrence of toxic P. rubescens in freshwater resources requires special attention when designing site inspection and sampling procedures for the correct risk assessment and management of cyanobacterial blooms in the field.por
dc.description.sponsorshipFundação para a Ciência e Tecnologiapor
dc.identifier.citationHydrobiologia. 2009;621:207–211por
dc.identifier.issn1573-5117
dc.identifier.otherESSN: 0018-8158
dc.identifier.urihttp://hdl.handle.net/10400.18/1104
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSpringer Verlagpor
dc.relationAMB/60351/2004por
dc.relation.publisherversionhttp://www.springerlink.com/content/36t38372071j276q/fulltext.pdfpor
dc.subjectCyanobacteriapor
dc.subjectMicrocystinspor
dc.subjectPlanktothrix Rubescenspor
dc.subjectÁgua e Solopor
dc.titleDetection of Planktothrix rubescens (Cyanobacteria) associated with microcystin production in a freshwater reservoirpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage211por
oaire.citation.startPage207por
oaire.citation.volume621por
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor

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