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Can fish adopt the same defence strategy in gill and liver to face chronic metal exposure?
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Among fish, mullet is one of the most resistant inhabiting polluted waters. Liza saliens is the dominant species in a coastal lagoon (Northwest coast - Portugal), which has been under investigation concerning histological and biochemical issues in response to environmental Cu and Zn. In this study, branchial and hepatic ultrastructure showed that lesions prevalence and number of simultaneous lesions was larger in gill than in liver. L. saliens proved to be able to increase CAT and SOD activities in these organs suggesting a compensatory tissue response mechanism to face metal exposure.
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Fernandes, Conceição; Fontaínhas-Fernandes, A; Carrola, J.S.; Salgado, M.A. (2008). Can fish adopt the same defence strategy in gill and liver to face chronic metal exposure?. In 18th SETAC (Congress of Society of Environmental Toxicology and Chemistry). Europe Annual Meeting. Warsaw