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Biomarker study of a municipal effluent dispersion plume in two species of freshwater mussels
Environmental toxicology, 2002, Vol.17 (3), p.149-159
Gagné, F.
Blaise, C.
Aoyama, I.
Luo, R.
Gagnon, C.
Couillard, Y.
Campbell, P.
Salazar, M.
2002
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Gagné, F.
Blaise, C.
Aoyama, I.
Luo, R.
Gagnon, C.
Couillard, Y.
Campbell, P.
Salazar, M.
Titel
Biomarker study of a municipal effluent dispersion plume in two species of freshwater mussels
Ist Teil von
Environmental toxicology, 2002, Vol.17 (3), p.149-159
Ort / Verlag
New York: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2002
Quelle
Wiley Blackwell Single Titles
Beschreibungen/Notizen
The toxicological effects of a primary‐treated municipal effluent plume were investigated in two species of freshwater mussels, Elliptio complanata and Dreissena polymorpha, exposed for 62 days at sites upstream and downstream of an effluent outfall in the St. Lawrence River (Quebec, Canada). Levels of metallothioneins (MT), cytochrome P4501A1 activity, DNA damage, total lipids, relative levels of vitellins, and phagocytic activity (in E. complanata hemocytes) were determined after the exposure period. A parallel analysis measured heavy metals and coprostanol in mussel tissues. The results show that significant levels of coprostanol and some metals (specifically, Cu, Hg, Sb, Se, and Zn) had accumulated in mussels caged 5 km downstream of the effluent plume. Mixed‐function oxidase activity, MT in gills, total lipids, DNA damage (in D. polymorpha only), and total hemolymph bacteria (in E. complanata only) had increased in these mussels, while levels of total cadmium (Cd), MT in digestive glands or whole soft tissues, phagocytic activity, and DNA damage in the digestive gland (in E. complanata only) were diminished. The exposure of mussels to surface waters contaminated by a municipal effluent led to many stress responses, depending on both the tissues and the species being examined. © 2002 Wiley Periodicals, Inc. Environ Toxicol 17: 149–159, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/tox.10046
Sprache
Englisch
Identifikatoren
ISSN: 1520-4081
eISSN: 1522-7278
DOI: 10.1002/tox.10046
Titel-ID: cdi_proquest_miscellaneous_29588698
Format
–
Schlagworte
Animal, plant and microbial ecology
,
Animals
,
Applied ecology
,
Biological and medical sciences
,
biomarkers
,
Biomarkers - analysis
,
Bivalvia - physiology
,
Cities
,
CYP1A1 protein
,
Cytochrome P-450 CYP1A1 - analysis
,
DNA Damage
,
Dreissena polymorpha
,
Ecotoxicology, biological effects of pollution
,
Effects of pollution and side effects of pesticides on protozoa and invertebrates
,
Elliptio complanata
,
Environmental Exposure
,
Environmental Monitoring - methods
,
Fresh water environment
,
Freshwater
,
Fundamental and applied biological sciences. Psychology
,
Industrial Waste
,
Metallothionein - analysis
,
Mixed Function Oxygenases - analysis
,
municipal effluents
,
mussels
,
toxicity
,
Vitellogenesis
,
Water Pollutants, Chemical - adverse effects
,
Water Pollutants, Chemical - analysis
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