Influence of mussel biological variability on pollution biomarkers

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URI: http://hdl.handle.net/10508/9460
ISSN: 0013-9351
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Authors
González-Fernández, C. (Carmen); Albentosa, M. (Marina); Campillo-González, J.A. (Juan Antonio); Viñas, L. (Lucía); Fumega, J. (José); Franco-Hernández, M.Á. (María de los Ángeles); Besada, V. (Victoria); González-Quijano-Mosteiro, A. (Amelia); Bellas, J. (Juan)
Date
2015
Type
research article
Keywords
Biomonitoring
Mussels
Physiological biomarkers
Antioxidant biomarkers
Biological variability
Confounding factors
Abstract
This studydealswiththeidentification andcharacterizationofbiologicalvariablesthatmayaffectsome of thebiologicalresponsesusedaspollutionbiomarkers.Withthisaim,duringthe2012musselsurveyof the SpanishMarinePollutionmonitoringprogram(SMP),attheNorth-Atlanticcoast,severalquantitative and qualitativebiologicalvariablesweremeasured(corporalandshellindices,gonadaldevelopmentand reservescomposition).Studiedbiomarkerswereantioxidantenzymaticactivities(CAT,GST,GR),lipid peroxidation(LPO)andthephysiologicalratesintegratedintheSFGbiomarker(CR,AE,RR).Sitepol- lution wasconsideredasthechemicalconcentrationinthewholetissuesofmussels. A greatgeographicalvariabilitywasobservedforthebiologicalvariables,whichwasmainlylinkedto the differencesinfoodavailabilityalongthestudiedregion.Aninverserelationshipbetweenantioxidant enzymes andthenutritionalstatusoftheorganismwasevidenced,whereasLPOwaspositivelyrelatedto nutritional statusand,therefore,withhighermetaboliccosts,withtheirassociatedROSgeneration ...

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