Research Topics
| Peter G C CampbellSummaryCountry: Canada Publications
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Publications
Cadmium-handling strategies in two chronically exposed indigenous freshwater organisms--the yellow perch (Perca flavescens) and the floater mollusc (Pyganodon grandis)Peter G C Campbell
Universite du Quebec, INRS Eau Terre et Environnement INRS ETE, 490 de la Couronne, Que, Canada G1K 9A9
Aquat Toxicol 72:83-97. 2005..The relative proportions of Cd in the various fractions did not vary appreciably along the exposure gradient and there was no evidence of a threshold exposure concentration below which sensitive metal pools were protected...- Seasonal variations in hepatic Cd and Cu concentrations and in the sub-cellular distribution of these metals in juvenile yellow perch (Perca flavescens)Lisa D Kraemer
, INRS-Eau, Terre et Environnement, 490 de la Couronne, , QC, Canada G1K 9A9
Environ Pollut 142:313-25. 2006..Furthermore, at the sub-cellular level, homeostatic control of metal concentrations in metal-sensitive fractions is difficult to maintain in perch with high hepatic metal concentrations... - Dynamics of Cd, Cu and Zn accumulation in organs and sub-cellular fractions in field transplanted juvenile yellow perch (Perca flavescens)Lisa D Kraemer
INRS-Eau, Terre et Environnement, , 490 de la Couronne, , QC, Canada G1K 9A9
Environ Pollut 138:324-37. 2005..The response of yellow perch to elevated ambient Cu appeared to combine the strategies used for Cd and Zn, as both cellular sequestration and reduced accumulation were observed in transplanted fish... - A field study examining metal elimination kinetics in juvenile yellow perch (Perca flavescens)Lisa D Kraemer
INRS-Eau, Terre et Environnement, , 490 de la Couronne, , Que, Canada G1K 9A9
Aquat Toxicol 75:108-26. 2005..These field results clearly demonstrate how the liver handles essential (Cu, Zn) and non-essential metals (Cd) differently during depuration... - Sub-cellular partitioning of Cd, Cu and Zn in tissues of indigenous unionid bivalves living along a metal exposure gradient and links to metal-induced effectsEmmanuelle Bonneris
Institut National de la Recherche Scientifique, INRS Eau, Terre et Environnement, , 490 de la Couronne, , QC, Canada G1K 9A9
Environ Pollut 135:195-208. 2005..Overall, we conclude that in nature metals in P. grandis are bound differently in the gills and in the digestive gland and that metal detoxification in the former organ may be less effective than in the latter... - Uptake of hydrophobic metal complexes by three freshwater algae: unexpected influence of pHAmiel Boullemant
INRS Eau Terre et Environnement, Universite du Quebec, 490 de la Couronne, Quebec, Quebec, Canada
Environ Sci Technol 43:3308-14. 2009..0 to 5.5. We thus conclude that the acidification of the external medium, i.e., the interaction of protons with the algal membrane, strongly affects algal membrane permeability... - Sub-cellular partitioning of metals (Cd, Cu, Zn) in the gills of a freshwater bivalve, Pyganodon grandis: role of calcium concretions in metal sequestrationEmmanuelle Bonneris
Institut National de la Recherche Scientifique (INRS)--Eau, Terre et Environnement, , 490 de la Couronne, Quebec City, Que, Canada G1K 9A9
Aquat Toxicol 71:319-34. 2005.... 
Subcellular metal partitioning in larvae of the insect Chaoborus collected along an environmental metal exposure gradient (Cd, Cu, Ni and Zn)Maikel Rosabal
Institut National de la Recherche Scientifique, Centre Eau Terre Environnement INRS ETE, 490 de la Couronne, Quebec, Quebec, Canada G1K 9A9
Aquat Toxicol 120:67-78. 2012....- pH modulates transport rates of manganese and cadmium in the green alga Chlamydomonas reinhardtii through non-competitive interactions: implications for an algal BLMLaura François
INRS Eau, Terre et Environnement, Universite du Quebec, 490 de la Couronne, Quebec, Canada G1K 9A9
Aquat Toxicol 84:123-32. 2007..Our results demonstrate that the BLM in its present state does not properly describe the true influence of pH on manganese and cadmium uptake by algae and that a non-competitive inhibition component must be integrated... - Metal-induced stress in bivalves living along a gradient of Cd contamination: relating sub-cellular metal distribution to population-level responsesOlivier Perceval
Groupe de recherche interuniversitaire en limnologie, Departement de sciences biologiques, Universite de Montreal, C P 6128, Succursale Centre Ville, Montreal, Que, Canada H3C 3J7
Aquat Toxicol 69:327-45. 2004.... - Evolutionary ecotoxicology of wild yellow perch (Perca flavescens) populations chronically exposed to a polymetallic gradientVincent Bourret
Institut National de la Recherche Scientifique, Centre Eau, Terre et Environnement, Quebec, Canada
Aquat Toxicol 86:76-90. 2008.... - Linking changes in subcellular cadmium distribution to growth and mortality rates in transplanted freshwater bivalves (Pyganodon grandis)Olivier Perceval
Groupe de Recherche Interuniversitaire en Limnologie GRIL, Departement de sciences biologiques, Universite de Montreal, C P 6128, Succursale Centre Ville, Montreal, Quebec, Canada H3C 3J7
Aquat Toxicol 79:87-98. 2006.... - Long-term trends in accumulated metals (Cd, Cu and Zn) and metallothionein in bivalves from lakes within a smelter-impacted regionOlivier Perceval
Groupe de Recherche Interuniversitaire en Limnologie GRIL, Departement de sciences biologiques, Universite de Montreal, CP 6128, Succursale Centre Ville, Montreal, Quebec, Canada H3C 3J7
Sci Total Environ 369:403-18. 2006..grandis may be useful as predictors of temporal changes in environmental Cd contamination in lakes... - Sub-cellular partitioning of cadmium, copper, nickel and zinc in indigenous yellow perch (Perca flavescens) sampled along a polymetallic gradientAnik Giguere
INRS ETE, Universite du Quebec, Quebec City, Canada
Aquat Toxicol 77:178-89. 2006..The presence of Cd and Ni in the HDP fraction, even for low chronic exposure concentrations, suggests that metal detoxification was imperfect, i.e. that P. flavescens was subject to some metal-related stress even under these conditions... - Hormonal, morphological, and physiological responses of yellow perch (Perca flavescens) to chronic environmental metal exposuresHaude M Levesque
J Toxicol Environ Health A 66:657-76. 2003..The results of this study indicate that lifelong exposures to sublethal concentrations of metals alter the physiological functions of fish and delay reproduction... - Steady-state distribution of metals among metallothionein and other cytosolic ligands and links to cytotoxicity in bivalves living along a polymetallic gradientAnik Giguere
INRS ETE, Universite du Quebec, C P 7500, 2800 rue Einstein, Sainte Foy, Quebec, Canada G1V 4C7
Aquat Toxicol 64:185-200. 2003.... - Toxicity of silver to two freshwater algae, Chlamydomonas reinhardtii and Pseudokirchneriella sub-capitata, grown under continuous culture conditions: influence of thiosulphateVéronique P Hiriart-Baer
Water Monitoring Section, Environmental Monitoring and Reporting Branch, Ontario Ministry of the Environment, 125 Resources Road, Etobicoke, Ont, Canada M9P 3V6
Aquat Toxicol 78:136-48. 2006..Physiological indicators of stress revealed possible different intracellular targets for these two freshwater algae, proteins and enzymes for C. reinhardtii and the photosynthetic apparatus for P. sub-capitata... - Different transport mechanisms for cadmium and mercury in Caco-2 cells: inhibition of Cd uptake by Hg without evidence for reciprocal effectsIsmaël Aduayom
Departement de Chimie, Centre TOXEN, Universite du Quebec a Montreal, C P 8888, Succ Centre Ville, H3C 3P8, Montreal, Quebec, Canada
Toxicol Appl Pharmacol 189:56-67. 2003..The Hg- or NEM-induced inhibition of Cd uptake likely involves a thiol-mediated reaction, but our results suggest that NEM pretreatment may activate other cellular mechanisms leading to a stimulatory effect... - Biological and chemical redox transformations of mercury in fresh and salt waters of the high arctic during spring and summerAlexandre J Poulain
Groupe de Recherche Inter universitaire en Limnologie GRIL, Departement des Sciences Biologiques, Universite de Montreal, Succursale Centre Ville, Pavillon Marie Victorin, Montreal, Quebec, Canada
Environ Sci Technol 41:1883-8. 2007..Overall these results point to the vulnerability of marine/ coastal Arctic systems to Hg, compared to inland systems, with oxidation processes enhancing Hg residence times and thus increasing its potential to enter the food chain... - Influence of chloride on silver uptake by two green algae, Pseudokirchneriella subcapitata and Chlorella pyrenoidosaDae-Young Lee
INRS-Eau, Terre et Environnement, , 2800 rue Einstein, CP 7500, Sainte-Foy, Quebec G1V 4C7, Canada
Environ Toxicol Chem 23:1012-8. 2004..In the presence of chloride, no evidence was found for the internalization of silver via anion transport or passive diffusion of the neutral mono-chloro-complex, AgCl0... - Relating cadmium concentrations in three macrophyte-associated freshwater invertebrates to those in macrophytes, water and sedimentsJoël C Désy
Departement de sciences biologiques, Universite de Montreal, Quebec, Canada
Environ Pollut 120:759-69. 2002..Lawrence River and that macrophytes and their associated epiphytes should also be used as biomonitors... - Metallothionein-like metal-binding protein in the biomonitor Chaoborus: occurrence and relationship to ambient metal concentrations in lakesMarie Noele Croteau
Institut National de la Recherche Scientifique Eau, Universite du Quebec, Sainte Foy, Canada
Environ Toxicol Chem 21:737-41. 2002..Concentrations of the metallothionein-like protein were directly related to those in Chaoborus and in lakewater. These direct relationships support the use of Chaoborus larvae as a Cd biomonitor...