Genotoxicity biomarkers and acetylcholinesterase activity in natural populations of Mytilus galloprovincialis along a pollution gradient in the Gulf of Oristano (Sardinia, western Mediterranean)

A year-round biomonitoring study on blue mussels ( Mytilus galloprovincialis) was carried out in 4 selected sites along the Gulf of Oristano (Sardinia, Italy): a commercial port ( Port), the outlet of the S'Ena Arrubia and Marceddì lagoons (in the catchment area of intensive agricultural and di...

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Bibliographic Details
Published in:Environmental pollution (1987) 2006-07, Vol.142 (1), p.65-72
Main Authors: Magni, P., De Falco, G., Falugi, C., Franzoni, M., Monteverde, M., Perrone, E., Sgro, M., Bolognesi, C.
Format: Article
Language:English
Subjects:
Acetylcholinesterase
Acetylcholinesterase - analysis
Acetylcholinesterase - metabolism
Agriculture
Alkaline elution
Animal, plant and microbial ecology
Animals
Applied ecology
bioaccumulation
Biological and medical sciences
biomarkers
Biomonitoring
cadmium
DNA Damage
Ecotoxicology, biological effects of pollution
Environmental Monitoring - methods
enzyme activity
Fundamental and applied biological sciences. Psychology
General aspects
genotoxicity
geochemistry
Geologic Sediments - chemistry
Heavy metals
indicator species
Italy
lead
Marine
Mediterranean Sea
Micronucleus test
Micronucleus Tests
Mining
mussels
Mytilus - chemistry
Mytilus - enzymology
Mytilus edulis
Mytilus galloprovincialis
sediment contamination
Water Pollutants, Chemical - toxicity
water pollution
Water Pollution - analysis
zinc
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Summary:A year-round biomonitoring study on blue mussels ( Mytilus galloprovincialis) was carried out in 4 selected sites along the Gulf of Oristano (Sardinia, Italy): a commercial port ( Port), the outlet of the S'Ena Arrubia and Marceddì lagoons (in the catchment area of intensive agricultural and diary activities, and abandoned mining), and a reference site ( North). Heavy metal concentrations in sediments from Marceddì were 2–3 to 10–20 times higher in Pb, Cd and Zn, respectively, than those found at North and S'Ena Arrubia. Higher values ( P < 0.05) of micronuclei frequency were detected in mussels from Marceddì and Port compared to those detected in mussels from North and S'Ena Arrubia. DNA damage in animals from North was significantly lower than that at the other sites. Results of acetylcholinesterase inhibition consistently showed the strongest effects in mussels from Port and Marceddì. Our results suggest that these biomarkers can be used in coastal marine biomonitoring as early signals of exposure and adverse effects along a pollution gradient. Biomarkers can be useful in coastal marine biomonitoring.
ISSN:0269-7491
1873-6424
DOI:10.1016/j.envpol.2005.09.018