PUMA
Istituto di Scienze Marine     
Nasci C., Nesto N., Monteduro R., Da Ros L. Field application of biochemical markers and a physiological index in the mussel, Mytilus galloprovincialis: transplantation and biomonitoring studies in the Lagoon of Venice (NE Italy). In: Marine Environmental Research, vol. 54 pp. 811 - 816. Elsevier Science Ltd, 2002.
 
 
Abstract
(English)
A number of biochemical markers and a physiological index were measured in mussels, Mytilus galloprovincialis, transplanted or native to five different contaminated sites in the lagoon of Venice.Mussels from Pellestrina, a reference site in the adjacent Adriatic Sea, were transplanted for 6 weeks to areas of the lagoon where indigenous mussels were also collected. As biochemical indices, superoxide dismutase (SOD), catalase, aldehyde dehydrogenase (ADH) and NADPH cytochrome c reductase (NADPHcred) were measured in mussel digestive gland; survival in air as a physiological index was also determined.Biomarker responses varied among sites and between indigenous and transplanted animals.Significant induction of catalase and SOD was shown in animals transplanted to the urban sites of Salute and Chioggia, respectively.In indigenous mussels, induction of SOD and NADPHcred was seen in animals from the polluted site of Treporti and the heavily contaminated industrial area of Marghera.The overall biochemical data indicate significantly higher activity for ADH in transplanted animals in comparison with indigenous ones which, in contrast, present an increase in SOD.As regard survival in air, control mussels did not seem to be healthier in comparison either with transplanted or indigenous ones, suggesting that pollution has no effect on this parameter
Subject Mytilus galloprovincialis; Biomarkers; Biomonitoring; Lagoon of Venice


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