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Field validation of a battery of biomarkers to assess sediment quality in Spanish ports

AuthorsMartín-Díaz, M. Laura CSIC ORCID CVN; Blasco, Julián CSIC ORCID CVN ; Sales, David L.; Del Valls, T. A.
KeywordsCarcinus maenas
Ruditapes philippinarum
Dredged material
Oxidative stress
Issue Date19-Jun-2007
CitationEnvironmental Pollution 151(3): 631-640 (2008)
AbstractTwo marine invertebrates, the crab Carcinus maenas and the clam Ruditapes philippinarum, were used as bioindicator species to assess contamination when exposed in situ to sediment from different sites from four Spanish ports Cadiz (SW Spain), Huelva (SW Spain), Bilbao (NE Spain) and Pasajes (NE Spain). In an attempt to determine sediments toxicity, a combination of exposure biomarkers was analyzed in both species: metallothionein-like-proteins (MTLPs), ethoxyresorufin O-deethylase (EROD), glutathione S-transferase activity (GST), glutathione peroxidase (GPX) and glutathione reductase (GR). In parallel, physical and chemical characterization of the different sediments was performed and biological responses related to the contaminants. Significant induction of MTLPs was observed when organisms were exposed to metal contaminated sediments (port of Huelva), and EROD and GPX activities after exposure to sediments containing organic compounds (port of Bilbao and Pasajes). No significant interspecies differences were observed in biomarker responses except for the GST and GR.
Description10 páginas, 4 figuras, 3 tablas.
Publisher version (URL)http://dx.doi.org/10.1016/j.envpol.2007.03.019
Appears in Collections:(ICMAN) Artículos
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