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Superoxide dismutase activity in three marine microalgal species exposed to copper, irgarol and atrazine: a discussion on species sensitivity

AuthorsLozano, Pablo; Trombini, Chiara ; Crespo, Elena; Blasco, Julián ; Moreno-Garrido, Ignacio
Issue DateSep-2012
CitationXII Congresso Brasileiro de Ecotoxicologia (2012)
AbstractPopulations of three marine microalgal species (Cylindrotheca closterium, Phaeodactylum tricornutum and Rhodomonas salina) were exposed to selected concentrations of copper, Atrazine and Irgarol. Sub-lethal concentrations were used to check superoxide dismutase activity after 24 hours exposition. Differences on sensitivity for different species is discussed, as well as modifications in the original protocols for measuring enzymatic activity when adapted to microalgal populations. Low biomass of the samples represent an initial problem and protocols were modified in order to adapt SOD measurements at low-protein conditions. In general, higher activities of SOD enzymes were found in exposed populations respect to controls.
DescriptionTrabajo presentado en el XII Congresso Brasileiro de Ecotoxicologia. celebrado en Porto de Galihnas (Brasil) del 25 al 28 de septiembre de 2012.
Appears in Collections:(ICMAN) Comunicaciones congresos
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