alexa Multiple biomarkers of pollution effects in caged mussels on the Greek coastline.
Agri and Aquaculture

Agri and Aquaculture

Journal of Marine Science: Research & Development

Author(s): Tsangaris C, Kormas K, Strogyloudi E, Hatzianestis I, Neofitou C, , Tsangaris C, Kormas K, Strogyloudi E, Hatzianestis I, Neofitou C, , Tsangaris C, Kormas K, Strogyloudi E, Hatzianestis I, Neofitou C, , Tsangaris C, Kormas K, Strogyloudi E, Hatzianestis I, Neofitou C,

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Abstract A suite of biomarkers was measured in caged mussels at areas impacted by different anthropogenic activities along the Greek coastline to assess biological effects of environmental pollution. Mussels were caged at coastal sites in the vicinity of major cities, in areas influenced by major industries, agricultural practices and in islands away from known sources of pollution. Biomarkers indicative of neurotoxicity (acetylcholinesterase, AchE), oxidative stress (catalase, CAT), phase II biotransformation of xenobiotics (glutathione S-transferase, GST), metal exposure (metallothioneins, MTs) and protein synthesis (RNA:DNA ratio) were measured to assess effects of various types of pollutants. AchE activity proved to be the most responsive biomarker with decreased values at sites influenced by agricultural, urban and industrial activities. Decreased CAT and GST activities and increased MTs levels were recorded at a number of anthropogenic-impacted sites. RNA:DNA ratio showed a biphasic response as both high and low values were found at impacted sites. Principal component analysis clearly distinguished sites receiving pollution inputs from non-polluted sites. The combination of the selected biomarkers used in caged mussels resulted useful in the assessment of the effects of environmental pollution. This article was published in Comp Biochem Physiol C Toxicol Pharmacol and referenced in Journal of Marine Science: Research & Development

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