the takuvik
Team

contact takuvik

Département de Biologie /
Pavillon Alexandre-Vachon
1045, av. de la Médecine, local 2064
Université Laval
Québec (Québec) G1V 0A6
Canada
Phone : +1 418 656 2131 ext. 404880

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Rémy Amiraux

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Rémi
Amiraux
Post-Doctoral fellow

Phone : 418-656-2131 ext. 403198
Fax : 418-656-2339


Education

2017: PhD in environmental chemistry and microbiology – Aix Marseille PhD prize
“Ice biota degradation in the Arctic environment: Impact of bacterial stress state on this material’s preservation and burial.”
Supervisors: J.-F. Rontani and P. Bonin.
Mediterranean Institute of Oceanography, CNRS & Aix-Marseille University, France.

2014: Master’s degree in marine biogeochemistry and physics
“Effects of temperature and irradiance on the photo-degradation state of killed phytoplankton (2014).”
Supervisor: J.-F. Rontani.
Mediterranean Institute of Oceanography, CNRS & Aix-Marseille University, France.

2012: Bachelor’s degree in biology, chemistry and ecology
Paris-Sud XI, Orsay, France.

Research interests

- Environmental organic chemistry and microbiology.
- Polar regions environment and ecology.
- Impacts of climate change on carbon sink and Inuit population.
- Export and fate of the marine primary production.

Research position

2019 – Present: Post-doctoral scientist
“Impact of climate change on the nutritional quality of traditional Inuit foods: Mytilus edulis and Mya truncata (Bivalvia)”
Supervisor: J.-E. Tremblay, M. Lemire, G. Massé, P. Archambault, B. Moriceau, L. Memery
Université Laval, Québec, Canada & Université Bretagne Occidentale, France.

2018 : Post-doctoral scientist
“Temporal evolution at high resolution of IP25 and other HBIs in sea ice, suspended and sinking POM during an Arctic melting season.”
Supervisor: S.T. Belt
School of Geography, Earth and Environmental Sciences, University of Plymouth,
U.K.

Publications

Publications in preparation or submitted– total: 3

Amiraux, R., Burot, C., Bonin, P., Babin, M., Rontani, J.-F., 2019. Stress factors resulting from the Arctic vernal sea ice melt: impact on the viability of the bacterial communities associated to sympagic algae. Under co-author review.

Amiraux, R., Smik, L., Köseo?lu, D., Rontani, J.-F., Galindo, V., Babin, M., Belt, S.T., 2019. Temporal evolution of IP25 and other highly branched isoprenoid lipids in sea ice and the underlying water column during an Arctic melting season. Under co-author review.

Amiraux, R., Rontani, J.-F., Armougom, F., Frouin, E., Artigue, L., Babin, M., Bonin, P., 2019. Deciphering biodiversity and stress state of bacteria associated with ice algae and sinking particles in Canadian Artic: impact to carbon flux. Submitted to Nature ISME.

Publications in peer-reviewed scientific journals – total: 8

Rontani, J.-F., Amiraux, R., Lalande, C., Babin, M., Kim, H. R., Belt, S.T., 2018. Use of palmitoleic acid and its oxidation products for monitoring the degradation of ice algae in Arctic waters and bottom sediments. Org. Geochem. 124, 88-102.

Rontani, J.-F, Belt, S.T., Amiraux, R., 2017. Biotic and abiotic degradation of the sea ice diatom biomarker IP25 and selected algal sterols in near-surface Arctic sediments: further considerations for paleo sea ice recontructions. Org. Geochem. 118:73-88.

Amiraux, R., Belt, S.T., Vaultier, F., Galindo, V., Gosselin, M., Bonin, P., Rontani, J.-F., 2017. Monitoring photo-oxidative and salinity-induced bacterial stress in the Canadian Arctic using specific lipid tracers. Mar. Chem. 194, 89–99.

Rontani, J.-F., Galeron, M.-A., Amiraux, R., Artigue, L., Belt, S.T., 2017. Identification of di- and triterpenoid lipid tracers confirms the significant role of autoxidation in the degradation of terrestrial vascular plant material in the Canadian Arctic. Org. Geochem. 108, 43–50.

Rontani, J.-F., Belt, S.T., Brown, T.A., Amiraux, R., Gosselin, M., Vaultier, F., Mundy, C.J., 2016. Monitoring abiotic degradation in sinking versus suspended Arctic sea ice algae during a spring ice melt using specific lipid oxidation tracers. Org. Geochem. 98, 82–97.

Amiraux, R., Jeanthon, C., Vaultier, F., Rontani, J.-F., 2016. Paradoxical effects of temperature and solar irradiance on the photodegradation state of killed phytoplankton. J. Phycol. 52, 475–485.

Galeron, M.-A., Amiraux, R., Charriere, B., Radakovitch, O., Raimbault, P., Garcia, N., Lagadec, V., Vaultier, F., Rontani, J.-F., 2015. Seasonal survey of the composition and degradation state of particulate organic matter in the Rhône River using lipid tracers. Biogeosciences 12, 1431–1446.

Petit, M., Bonin, P., Amiraux, R., Michotey, V., Guasco, S., Armitano, J., Jourlin-Castelli, C., Vaultier, F., Méjean, V., Rontani, J.-F., 2015. Dynamic of bacterial communities attached to lightened phytodetritus. Environ. Sci. Pollut. Res. 22, 13681–13692.