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Marc Amyot

 

Membre collaborateur

Département des sciences biologiques, Université de Montréal

Pavillon Marie-Victorin
90, avenue Vincent-d'Indy
Université de Montréal
Montréal
Québec, Canada
H3C 3J7

514.343.7496
m.amyot@umontreal.ca

 

http://132.203.57.253:8080/donneesweb/document/image/perso_3271.jpg

 


 
 
 

Thèmes de recherche

  • Bioaccessibilité gastro-intestinale des contaminants au sein des populations nordiques
  • Biogéochimie des contaminants en milieu nordique
  • Le cycle des terres rares dans le Nord
  • Oxydo-réduction de l’arsenic d’origine minière dans le Nord
  • Phytoremédiation des sites contaminés nordiques
  • Réactions d’oxydoréduction du mercure dans les sédiments, l'eau et la neige
  • Traçage isotopique des contaminants bioamplifiables dans les réseaux trophiques de l’Arctique canadien
 
 

Étudiants / Chercheurs postdoctoraux au CEN

MacMillan, Gwyneth A. (Doctorat). La biogéochimie et le transfert trophique des contaminants (le méthylmercure et les terres rares) au sein des écosystèmes arctiques d'eau douce en mutation.

Robichaud, Kawina (Doctorat). Nettoyage de sols contaminés aux hydrocarbures pétroliers à l’aide de diverses méthodes de bioremédiation en milieu nordique.

 
 

Thèses et mémoires récents

Girard, Catherine , 2018 (Doctorat). Le mercure en Arctique, de l'environnement à la santé humaine : photodéméthylation aquatique, bioaccessibilité alimentaire et interactions avec le microbiome intestinal humain .

 
 

Communications scientifiques

Girard, C., Charette, T., Leclerc, M., Shapiro, B.J., Amyot, M., 2018. Cooking and co-ingested polyphenols reduce in vitro methylmercury bioaccessibility from fish and may alter exposure in humans. Science of the Total Environment, 616-617: 863-874. DOI: 10.1016/j.scitotenv.2017.10.236.

Amyot, M., Clayden, M.G., MacMillan, G.A., Perron, T., Arscott-Gauvin, A., 2017. Fate and trophic transfer of rare earth elements in temperate lake food webs. Environmental Science & Technology, 51(11): 6009-6017. DOI: 10.1021/acs.est.7b00739.

Girard, C., Tromas, N., Amyot, M., Shapiro, B.J., 2017. Gut microbiome of the Canadian Arctic Inuit. mSphere, 2(1): e00297-16. DOI: 10.1128/mSphere.00297-16.

Leclerc, M., Planas, D., Amyot, M., 2017. Freshwater sample preservation for the analysis of dissolved low molecular mass thiols. Limnology and Oceanography: Methods, 15(10): 875-886. DOI: 10.1002/lom3.10207 .

MacMillan, G.A., Chételat, J., Heath, J.P., Mickpegak, R., Amyot, M., 2017. Rare earth elements in freshwater, marine, and terrestrial ecosystems in the eastern Canadian Arctic. Environmental Science: Processes and Impacts, 19: 1336-1345. DOI: 10.1039/c7em00082k.

Nguyen , T.X. T., Amyot, M., Labrecque , M., 2017. Differential effects of plant root systems on nickel, copper and silver bioavailability in contaminated soil. Chemosphere, 168: 131-138. DOI: 10.1016/j.chemosphere.2016.10.047.

Di Poi, C., Bélanger, D., Amyot, M., Rogers, S., Aubin-Horth, N., 2016. Receptors rather than signals change in expression in four physiological regulatory networks during evolutionary divergence in threespine stickleback. Molecular Ecology, 25(14): 3416-3427. DOI: 10.1111/mec.13690.

Gbetoh, M.H., Amyot, M., 2016. Mercury, hydroquinone and clobetasol propionate in skin lightening products in West Africa and Canada. Environmental Research, 150: 403-410. DOI: 10.1016/j.envres.2016.06.030.

Girard, C., Leclerc, M., Amyot, M., 2016. Photodemethylation of methylmercury in eastern canadian arctic thaw pond and lake ecosystems. Environmental Science & Technology, 50(7): 3511-3520. DOI: 10.1021/acs.est.5b04921.

Ariya, P.A., Amyot, M., Dastoor, A., Deeds, D., Feinberg, A., Kos, G., Poulain, A., Ryjkov, A., Semeniuk, K., Subir, M., Toyota, K., 2015. Mercury physicochemical and biogeochemical transformation in the atmosphere and at atmospheric interfaces: A review and future directio. Chemical Reviews, 115(10): 3760–3802. DOI: 10.1021/cr500667e.

Braune, B., Chételat, J., Amyot, M., Brown, T., Clayden, M., Evans, M., Fisk, A., Gaden, A., Girard, C., Hare, A., Kirk, J., Lehnherr, I., Letcher, R., Loseto, L., Macdonald, R., Mann, E., McMeans, B., Muir, D., ONullDriscoll, N., Poulain, A.J., Reimer, K., Stern, G., 2015. Mercury in the marine environment of the Canadian Arctic: Review of recent findings. Science of the Total Environment, 509-510(Special Issue: Mercury in Canada's North): 67-90. DOI: 10.1016/j.scitotenv.2014.05.133.

Chételat, J., Amyot, M., Arp, P., Blais, J.M., Depew, D., Emmerton, C.A., Evans, M., Gamberg, M., Gantner, N., Girard, C., Graydon, J., Kirk, J., Lean, D., Lehnherr, I., Muir, D., Nasr, M., Poulain, A.J., Power, M., Roach, P., Stern, G., Swanson, H., van der Velden, S., 2015. Mercury in freshwater ecosystems of the Canadian Arctic: Recent advances on its cycling and fate. Science of the Total Environment, 509-510(Special Issue: Mercury in Canada's North): 41-66. DOI: 10.1016/j.scitotenv.2014.05.151.

Hamelin, S., Planas, D., Amyot, M., 2015. Mercury methylation and demethylation by periphyton biofilms and their host in a fluvial wetland of the St. Lawrence River (QC, Canada). Science of the Total Environment, 512-513: 464-471. DOI: 10.1016/j.scitotenv.2015.01.040.

Hamelin, S., Planas, D., Amyot, M., 2015. Spatio-temporal variations in biomass and mercury concentrations of epiphytic biofilms and their host in a large river wetland (Lake St. Pierre, Qc, Canada). Environmental Pollution, 197: 221-230. DOI: 10.1016/j.envpol.2014.11.007.

Leclerc, M., Planas, D., Amyot, M., 2015. Relationship between extracellular low molecular weight thiols and mercury species in natural lake periphytic biofilms. Environmental Science & Technology, 49(13): 7709-7716. DOI: 10.1021/es505952x.

MacMillan, G.A., Girard, C., Chételat, J., Laurion, I., Amyot, M., 2015. High methylmercury in arctic and subarctic ponds is related to nutrient levels in the warming Eastern Canadian Arctic. Environmental Science & Technology, 49(13): 7743-7753. DOI: 10.1021/acs.est.5b00763.

Ouédraogo, O., Chételat, J., Amyot, M., 2015. Bioaccumulation and trophic transfer of mercury and selenium in African sub-tropical fluvial reservoirs food webs (Burkina Faso). PLoS one, 10(4): e0123048. DOI: 10.1371/journal.pone.0123048.

Vonk, J.E., Tank, S.E., Bowden, W.B., Laurion, I., Vincent, W.F., Alekseychik, P., Amyot, M., Billet, M.F., Canário, J., Cory, R.M., Deshpande, B., Helbig, M.J., Jammet, M., Karlsson, J., Larouche, J., MacMillan, G.A., Rautio, M., Walter Anthony, K.M., Wickland, K.P., 2015. Reviews and syntheses: Effects of permafrost thaw on arctic aquatic ecosystems. Biogeosciences, 12(23): 7129–7167. DOI: 10.5194/bgd-12-7129-2015.

Chételat, J., Poulain, A.J., Amyot, M., Cloutier, L., Hintelmann, H., 2014. Ecological determinants of methylmercury bioaccumulation in benthic invertebrates of polar desert lakes. Polar Biology, 37: 1785–1796. DOI: 10.1007/s00300-014-1561-3.

Perron, T., Chételat, J., Gunn, J., Beisner, B.E., Amyot, M., 2014. Effects of experimental thermocline and oxycline deepening on methylmercury bioaccumulation in a Canadian Shield lake. Environmental Science & Technology, 48(5): 2626-2634. DOI: 10.1021/es404839t.

Chételat, J., Cloutier, L., Amyot, M., 2013. An investigation of enhanced mercury bioaccumulation in fish from offshore feeding. Ecotoxicology, 22(6): 1020-1032. DOI: 10.1007/s10646-013-1087-4.

Ouédraogo, O., Amyot, M., 2013. Mercury, arsenic and selenium concentrations in water and fish from sub-Saharan semi-arid freshwater reservoirs (Burkina Faso). Science of the Total Environment, 444(1): 243-254. DOI: org/10.1016/j.scitotenv.2012.11.095.

Chételat, J., Amyot, M., Cloutier, L., 2012. Shifts in elemental composition, methylmercury content and d15N ratio during growth of a High Arctic copepod. Freshwater Biology, 57(6): 1228-1240. DOI: 10.1111/j.1365-2427.2012.02793.x.

Daguené, V., McFall, E., Yumvihoze, E., Shu-Rong, X., Amyot, M., Poulain, A.J., 2012. Divalent cations hamper Hg(II) uptake. Environmental Science & Technology, 46(12): 6645-6653. DOI: 10.1021/es300760e.

Douglas, T.A, Loseto, L.L, Macdonald, R.W, Outridge, P., Dommergue, A., Poulain, A., Amyot, M., Barkay, T., Berg, T., Chételat, J., Constant, P., Evans, M., Ferrari, C., Gantner, N., Johnson, M.S, Kirk, J., Kroer, N., Larose, C., Lean, D., Gissel Nielsen, T., Poissant, L., Rognerud, S., Skov, H., Sørensen, S., Wang, F., Wilson, S., Zdanowicz, C.M, 2012. The fate of mercury in Arctic terrestrial and aquatic ecosystems, a review. Environmental Chemistry, 9(4): 321-355. DOI: org/10.1071/EN11140.

Le Jeune, A.-H., Bourdiol, F., Aldamman, L., Perron, T., Amyot, M., Pinel-Alloul, B., 2012. Factors affecting methylmercury biomagni?cation by a widespread aquatic invertebrate predator, the phantom midge larvae Chaoborus. Environmental Pollution, 165: 100-108. DOI: 10.1016/j.envpol.2012.02.003.

Ariya, P.A., Domine, F., Kos, G., Amyot, M., Coté, V., Vali, H., Lauzier, T., Kuhs, W.F., Techmer, K., Heinrichs, T., Mortazavi, R., 2011. Snow - a photobiochemical exchange platform for volatile and semi-volatile organic compounds with the atmosphere. Environmental Chemistry, 8(1): 62-73. DOI: 10.1071/en10056.

Chételat, J., Amyot, M., Garcia, E., 2011. Habitat-specific bioaccumulation of methylmercury in invertebrates of small mid-latitude lakes in North America. Environmental Pollution, 159(1): 10-17. DOI: 10.1016/j.envpol.2010.09.034.

Douglas, T., Amyot, M., Barkay, T., Berg, T., Chételat, J., Constant, P., Dommergue, A., Evans, M., Ferrari, C., Gantner, N., Johnson, M., Kirk, J., Kroer, N., Larose, C., Lean, D., Loseto, L., Macdonald, R., Muir, D., Gissel Nielsen, T., Outridge, P., Poulain, A., Poissant, L., Rognerud, S., Skov, H., Sørensen, S., Wang, F., Zdanowicz, C., 2011. Chapter 3: What is the fate of mercury entering the Arctic environment? Pages 45-66 dans AMAP Assessment: Mercury in the Arctic. Arctic Monitoring and Assessment Programme (AMAP). Oslo, Norvège.

Hamelin, S., Planas, D., Amyot, M., Barkay, T., Wang, Y., 2011. Methanogens : principal methylators of mercury in lake periphyton. Environmental Science & Technology, 45(18): 7693-7700. DOI: org/10.1021/es2010072.

Ouédraogo, O., Amyot, M., 2011. Effects of various cooking methods and food components on bioaccessibility of mercury from fish. Environmental Research, 111(8): 1064-1069. DOI: 10.1016/j.envres.2011.09.018.

Vost, E.E., Amyot, M., ONullDriscoll, N.J., 2011. Photoreactions of Mercury in Aquatic Systems. Pages 193-218 dans Guangliang, L., Young, C., ONullDriscoll, N. (Éditeurs). Environmental Chemistry and Toxicology of Mercury. John Wiley & Sons, Inc. Hoboken, New Jersey, États-Unis. DOI: 10.1002/9781118146644.ch6.

Amyot, M., Chidami, S., Demers, É., 2010. Response to "A comparative estimate of P fluxes in lakes" by J.M. Sereda and J.J. Hudson. Limnology and Oceanography, 55(1): 466-468.

Chételat, J., Cloutier, L., Amyot, M., 2010. Carbon sources for lake food webs in the Canadian High Arctic and other regions of Arctic North America. Polar Biology, 33(8): 1111-1123. DOI: 10.1007/s00300-010-0797-9.

Moingt, M., Bressac, M., Bélanger, D., Amyot, M., 2010. Role of ultra-violet radiation, mercury and copper on the stability of dissolved glutathione in natural and artifcial freshwater and saltwater. Chemosphere, 80(11): 1314-1320. DOI: 10.1016/j.chemosphere.2010.06.041.

Ariya, P.A., Peterson, K., Snider, G., Amyot, M., 2009. Mercury Chemical Transformation in the Gas, Aqueous and Heterogeneous Phases: State-of-the-art Science and Uncertainties. Pages 459-501 dans Pirrone, N., Mason, R. (Éditeurs). Mercury Fate and Transport in the Global Atmosphere Mercury: Emissions, Measurements and Models. Springer Science + Business Media. DOI: 10.1007/978-0-387-93958-2_15.

Bouffard, A., Amyot, M., 2009. Importance of elemental mercury in lake sediments. Chemosphere, 74(8): 1098-1103. DOI: 10.1016/j.chemosphere.2008.10.045.

Chételat, J., Amyot, M., 2009. Elevated methylmercury in High Arctic Daphnia and the role of productivity in controlling their distribution. Global Change Biology, 15(3): 706-718. DOI: 10.1111/j.1365-2486.2008.01729.x.

Dommergue, A., Ferrari, C.P., Amyot, M., Brooks, S., Sprovieri, F., Steffen, A., 2009. Spatial Coverage and Temporal Trends of Atmospheric Mercury Measurements in Polar Regions. Pages 293-321 dans Pirrone, N., Mason, R. (Éditeurs). Mercury Fate and Transport in the Global Atmosphere Mercury: Emissions, Measurements and Models. Springer Science + Business Media. DOI: 10.1007/978-0-387-93958-2_10.

Roy, V., Amyot, M., Carignan, R., 2009. Beaver ponds increase methylmercury and nutrient levels in Canadian Shield streams. Environmental Science & Technology, 43(15): 5605-5611. DOI: 10.1021/es901193x.

Roy, V., Amyot, M., Carignan, R., 2009. Seasonal methylmercury trends in water draining three beaver impoundments. Journal of Geophysical Research, 114: G00C06. DOI: 10.1029/2008JG000763.

 
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