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Connie Lovejoy

 

Membre collaboratrice

Département de biologie, Université Laval

Pavillon Alexandre-Vachon
1045 avenue de la Médecine
Université Laval
Québec
Québec, Canada
G1V 0A6

418.656.2131 poste 402007
connie.lovejoy@bio.ulaval.ca

 

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Thèmes de recherche

  • Biodiverité et biogéographie de l'activité des microorganismes et de leur gènes dans les océans, les lacs et les mares.
  • Étude des microorganismes planctoniques de l'Arctique (phytoplancton, archaea, bactéries, protistes)
 
 

Étudiants / Chercheurs postdoctoraux au CEN

Ayala, Paola (Doctorat - Codirection). Effet de la connectivité hydrologique et du bassin versant pour les communautés microbiennes et planctoniques dans des eaux douces de l’Arctique.

Rapp, Josephine (Post-Doctorat - Codirection). Interactions microbes-virus dans les habitats cryosphériques de la dernière zone de glace de l'Arctique.

 
 
 
 

Communications scientifiques

Blais, M.-A., Matveev, A., Lovejoy, C., Vincent, W.F., 2022. Size-fractionated microbiome structure in subarctic rivers and a coastal plume across DOC and salinity gradients. Frontiers in Microbiology, 12(760282). DOI: 10.3389/fmicb.2021.760282.

Fournier, I., Lovejoy, C., Vincent, W.F., 2022. Road salt versus urban snow effects on lake microbial communities. Microorganisms, 10(4), 803. DOI: 10.3390/microorganisms10040803.

Morency, C., Jacquemot, L., Potvin, M., Lovejoy, C., 2022. A microbial perspective on the local influence of Arctic rivers and estuaries on Hudson Bay (Canada). Elementa: Science of the Anthropocene, 10(1), 00009. DOI: 10.1525/elementa.2021.00009.

Potvin, M., Lovejoy, C., Rautio, M., 2022. Freshwater microbial eukaryotic core communities, open-water and under-ice specialists in southern Victoria Island Lakes (Ekaluktutiak, NU, Canada). Frontiers in Microbiology, 12, 786094. DOI: 10.3389/fmicb.2021.786094.

Vigneron, A., Cruaud, P., Lovejoy, C., Vincent, W.F., 2022. Genomic evidence of functional diversity in DPANN archaea, from oxic species to anoxic vampiristic consortia. ISME Communications, 2, 4. DOI: 10.1038/s43705-022-00088-6.

Ayala, P., Lovejoy, C., Power, M., Rautio, M., 2021. Evidence of eutrophication in arctic lakes. Arctic Science, 7(4): 859-87. DOI: 10.1139/as-2020-0033.

Chaffron, S., Delage, E., Budinich, M., Vintache, D., Henry, N., Nef, C., Ardyna, M., Zayed, A.A., Junger, P.C., Galand, P.E., Lovejoy, C., Murray, A.E., Sarmento, H., Tara Oceans coordinators, Acinas, S.G., Babin, M., Iudicone, D., Jaillon, O., Karsenti, E., Wincker, P., Karp-Boss, L., Sullivan, M.B., Bowler, C., de Vargas, C., Evillard, D., 2021. Environmental vulnerability of the global ocean epipelagic plankton community interactome. Science Advances, 7(35), eabg1921. DOI: 10.1126/sciadv.abg1921.

Crevecoeur, S., Lovejoy, C., 2021. Microbial assemblies of arctic freshwater systems. Pages 197-207 dans Liebner, S., Ganzert, L. (Éditeurs). Microbial Life in the Cryosphere and its Feedback on Global Change. Life in Extreme Environments, De Gruyter. Boston, Massachusetts, États-Unis.

Fournier, I., Lovejoy, C., Vincent, W.F., 2021. Changes in the community structure of under-ice and open-water microbiomes in urban lakes exposed to road salts. Frontiers in Microbiology, 12, 660719. DOI: 10.3389/fmicb.2021.660719.

Freyria, N.J., Joli, N., Lovejoy, C., 2021. A decadal perspective on north water microbial eukaryotes as Arctic Ocean sentinels. Scientific Reports, 11, 8413. DOI: 10.1038/s41598-021-87906-4.

Joli, N., Lacour, T., Freyria, N.J., Royer, S.-J., Babin, M., Lovejoy, C., 2021. Two versions of short-term phytoplankton ecophysiology and taxonomic assemblages in the Arctic Ocean’s North Water (Canada, Greenland). Journal of Plankton Research, 43(2): 126-141. DOI: 10.1093/plankt/fbab009.

Jungblut, A.D., Raymond, F., Dion, M.B., Moineau, S., Mohit, V., Nguyen, G.Q.H., Déraspe, M., Francovic‐Fontaine, E., Lovejoy, C., Culley, A.I., Corbeil, J., Vincent, W.F., 2021. Genomic diversity and CRISPR‐Cas systems in the cyanobacterium Nostoc in the High Arctic. Environmental Microbiology, 23(6 - Special Issue on Oxygen Minimum Zone Microbiology): 2955-2968. DOI: 10.1111/1462-2920.15481.

Massicotte, P., Amon, R.M.W., Antoine, D., Archambault, P., Balzano, S., Bélanger, S., Benner, R., Boeuf, D., Bricaud, A., Bruyant, F., Chaillou, G., Chami, M., Charrière, B., Chen, J., Claustre, H., Coupel, P., Delsaut, N., Doxaran, D., Ehn, J., Fichot, C., Forget, M.-H., Fu, P., Gagnon, J., Garcia, N., Gasser, B., Ghiglione, J.-F., Gorsky, G., Gosselin, M., Gourvil, P., Gratton, Y., Guillot, P., Heipieper, H.J., Heussner, S., Hooker, S.B., Huot, Y., Jeanthon, C., Jeffrey, W., Joux, F., Kawamura, K., Lansard, B., Leymarie, E., Link, H., Lovejoy, C., Marec, C., Marie, D., Martin, J., Martín, J., Massé, G., Matsuoka, A., McKague, V., Mignot, A., Miller, W.L., Miquel, J.-C., Mucci, A., Ono, K., Ortega-Retuerta, E., Panagiotopoulos, C., Papakyriakou, T., Picheral, M., Prieur, L., Raimbault, P., Ras, J., Reynolds, R.A., Rochon, A., Rontani, J.-F., Schmechtig, C., Schmidt, S., Sempéré, R., Shen, Y., Song, G., Stramski, D., Tachibana, E., Thirouard, A., Tolosa, I., Tremblay, J.-É., Vaïtilingom, M., Vaulot, D., Vaultier, F., Volkman, J.K., Xie, H., Zheng, G., Babin, M., 2021. The MALINA oceanographic expedition: how do changes in ice cover, permafrost and UV radiation impact biodiversity and biogeochemical fluxes in the Arctic Ocean? Earth System Science Data, 13: 1561–1592. DOI: 10.5194/essd-13-1561-2021.

Vigneron, A., Cruaud, P., Culley, A.I., Couture, R.-M., Lovejoy, C., Vincent, W.F., 2021. Genomic evidence for sulfur intermediates as new biogeochemical hubs in a model aquatic microbial ecosystem. Microbiome, 9, 46. DOI: 10.1186/s40168-021-00999-x.

Kraemer, S., Ramachandran, A., Colatriano, D., Lovejoy, C., Walsh, D.A., 2020. Diversity and biogeography of SAR11 bacteria from the Arctic Ocean. ISME Journal, 14: 79-90. DOI: 10.1038/s41396-019-0499-4.

Lovejoy, C., 2020. Plankton in the open Arctic Ocean. Pages 495-506 dans Goldstein, M., DellaSala, D. (Éditeurs). Encyclopedia of the World’s Biomes. Elsevier. DOI: 10.1016/B978-0-12-409548-9.11979-7.

Vigneron, A., Cruaud, P., Langlois, V., Lovejoy, C., Culley, A.I., Vincent, W.F., 2020. Ultra‐small and abundant: Candidate phyla radiation bacteria are potential catalysts of carbon transformation in a thermokarst lake ecosystem. Limnology and Oceanography Letters, 5(2): 212-220. DOI: 10.1002/lol2.10132.

Comeau, A.M., Lagunas, M.G., Scarcella, K., Varela, D.E., Lovejoy, C., 2019. Nitrate consumers in arctic marine eukaryotic communities: comparative diversities of 18S rRNA, 18S rRNA genes, and nitrate reductase genes. Applied and Environmental Microbiology, 85(14), e00247-19. DOI: 10.1128/AEM.00247-19.

Lévesque, A., Vincent, W.F., Comte, J., Lovejoy, C., Culley, A.I., 2019. Chlorovirus and myovirus diversity in permafrost thaw ponds. Aquatic Microbial Ecology, 82(2): 209-224. DOI: 10.3354/ame01893 .

Vigneron, A., Cruaud, P., Bhiry, N., Lovejoy, C., Vincent, W.F., 2019. Microbial community structure and methane cycling potential along a thermokarst pond-peatland continuum. Microorganisms, 7(11), 486. DOI: 10.3390/microorganisms7110486 .

Vigneron, A., Lovejoy, C., Cruaud, P., Kalenitchenko, D., Culley, A.I., Vincent, W.F., 2019. Contrasting winter versus summer microbial communities and metabolic functions in a permafrost thaw lake. Frontiers in Microbiology, 10, 1656. DOI: 10.3389/fmicb.2019.01656.

Colatriano, D., Tran, P.Q., Guéguen, C., Williams, W.J., Lovejoy, C., Walsh, D.A., 2018. Genomic evidence for the degradation of terrestrial organic matter by pelagic Arctic Ocean Chloroflexi bacteria. Communications Biology, 1: 90. DOI: 10.1038/s42003-018-0086-7.

Comte, J., Culley, A.I., Lovejoy, C., Vincent, W.F., 2018. Microbial connectivity and sorting in a High Arctic watershed. ISME Journal, 12: 2988-3000. DOI: 10.1038/s41396-018-0236-4.

Daugbjerg, N., Norlin, A., Lovejoy, C., 2018. Baffinella frigidus gen. et sp. nov. (Baffinellaceae fam. nov., Cryptophyceae) from Baffin Bay: Morphology, pigment profile, phylogeny, and growth rate response to three abiotic factors. Journal of Phycology, 54(5): 665-680. DOI: 10.1111/jpy.12766.

Dinasquet, J., Ortega-Retuerta, E., Lovejoy, C., Obernosterer, I., 2018. Microbiology of the rapidly changing polar environments. Frontiers in Marine Science, 5, 154. DOI: 10.3389/fmars.2018.00154.

Joli, N., Gosselin, M., Ardyna, M., Babin, M., Onda, D.F., Tremblay, J.-É., Lovejoy, C., 2018. Need for focus on microbial species following ice melt and changing freshwater regimes in a Janus Arctic Gateway. Scientific Reports, 8, 9405. DOI: 10.1038/s41598-018-27705-6.

Stern, R., Kraberg, A., Bresnan, E., Kooistra, W.H.C.F., Lovejoy, C., Montresor, M., Morán, X.A.G., Not, F., Salas, R., Siano, R., Vaulot, D., Amaral-Zettler, L., Zingone, A., Metfies, K., 2018. Molecular analyses of protists in long-term observation programmes - current status and future perspectives. Journal of Plankton Research, 40(5): 519-536. DOI: 10.1093/plankt/fby035.

Vigneron, A., Cruaud, P., Mohit, V., Martineau, M.-J., Culley, A.I., Lovejoy, C., Vincent, W.F., 2018. Multiple strategies for light-harvesting, photoprotection, and carbon flow in high latitude microbial mats. Frontiers in Microbiology, 9, 2881. DOI: 10.3389/fmicb.2018.02881.

Crevecoeur, S., Vincent, W.F., Comte, J., Matveev, A., Lovejoy, C., 2017. Diversity and potential activity of methanotrophs in high methane-emitting permafrost thaw ponds. PLoS one, 12(11): e0188223. DOI: 10.1371/journal.pone.0188223.

Joli, N., Monier, A., Logares, R., Lovejoy, C., 2017. Seasonal patterns in arctic prasinophytes and inferred ecology of Bathycoccus unveiled in an arctic winter metagenome. ISME Journal, 11: 1372-1385. DOI: 10.1038/ismej.2017.7.

Lovejoy, C., von Quillfeldt, C., Hopcroft, R.R., Poulin, M., Thaler, M., Arendt, K., Debes, H., Gíslason, Á., Kosobokova, K., 2017. Plankton. Pages 63-83 dans CAFF. State of the Arctic Marine Biodiversity Report. Conservation of Arctic Flora and Fauna International Secretariat. Akureyri, Islande.

Mohit, V., Culley, A.I., Lovejoy, C., Bouchard, F., Vincent, W.F., 2017. Hidden biofilms in a far northern lake and implications for the changing Arctic. npj Biofilms and Microbioms, 3: article no. 17. DOI: 10.1038/s41522-017-0024-3.

Monier, A., Chambouvet, A., Milner, D.S., Attah, V., Terrado, R., Lovejoy, C., Moreau, H., Santoro, A.E., Derelle, É., Richards, T.A., 2017. Host-derived viral transporter protein for nitrogen uptake in infected marine phytoplankton. Proceedings of the National Academy of Sciences of the United States of America (PNAS), 114(36): E7489–E7498. DOI: 10.1073/pnas.1708097114.

Onda, D.F.L., Medrinal, E., Comeau, A.M., Thaler, M., Babin, M., Lovejoy, C., 2017. Seasonal and interannual changes in ciliate and dinoflagellate species assemblages in the Arctic Ocean (Amundsen Gulf, Beaufort Sea, Canada). Frontiers in Marine Science, 4: Article 16. DOI: 10.3389/fmars.2017.00016.

Péquin, B., Mohit, V., Poisot, T., Tremblay, R., Lovejoy, C., 2017. Wind drives microbial eukaryote communities in a temperate closed lagoon. Aquatic Microbial Ecology, 78(3): 187-200. DOI: 10.3354/ame01814.

Thaler, M., Vincent, W.F., Lionard, M., Hamilton, A.K., Lovejoy, C., 2017. Microbial community structure and interannual change in the last epishelf lake ecosystem in the North Polar Region. Frontiers in Marine Science, 3: 275. DOI: 10.3389/fmars.2016.00275.

Cherif, M., Granados, M., Duffy, S., Pauline, R., Péquin, B., Mohit, V., McKindsey, C.W., Archambault, P., Myrand, B., Lovejoy, C., Tremblay, R., Plourde, S., Fussmann, G.F., 2016. Potential for local fertilization: A benthocosm test of long-term and short-term effects of mussel excretion on the plankton. PLoS one, 11(6): e0156411. DOI: 10.1371/journal.pone.0156411.

Comeau, A.M., Vincent, W.F., Bernier, L., Lovejoy, C., 2016. Novel chytrid lineages dominate fungal sequences in diverse marine and freshwater habitats. Scientific Reports, 3: 30120. DOI: 10.1038/srep30120.

Comte, J., Lovejoy, C., Crevecoeur, S., Vincent, W.F., 2016. Co-occurrence patterns in aquatic bacterial communities across changing permafrost landscapes. Biogeosciences, 13: 175-190. DOI: 10.5194/bg-13-175-2016.

Comte, J., Monier, A., Crevecoeur, S., Lovejoy, C., Vincent, W.F., 2016. Microbial biogeography of permafrost thaw ponds across the changing northern landscape. Ecography, 38(7): 609-618. DOI: 10.1111/ecog.01667.

Crevecoeur, S., Vincent, W.F., Lovejoy, C., 2016. Environmental selection of planktonic methanogens in permafrost thaw ponds. Scientific Reports, 6: 31312. DOI: 10.1038/srep31312.

Luddington, I.A., Lovejoy, C., Kaczmarska, I., 2016. Species-rich meta-communities of the diatom order Thalassiosirales in the Arctic and northern Atlantic Ocean. Journal of Plankton Research, 38(4): 781-797. DOI: 10.1093/plankt/fbw030.

Negandhi, K., Laurion, I., Lovejoy, C., 2016. Temperature effects on net greenhouse gas production and bacterial communities in arctic thaw ponds. FEMS Microbiology Ecology, 92(8): fiw117. DOI: 10.1093/femsec/fiw117.

Przytulska-Bartosiewicz, A., Comte, J., Crevecoeur, S., Lovejoy, C., Laurion, I., Vincent, W.F., 2016. Phototrophic pigment diversity and picophytoplankton in permafrost thaw lakes. Biogeosciences, 13: 13-26. DOI: 10.5194/bg-13-13-2016.

Crevecoeur, S., Vincent, W.F., Comte, J., Lovejoy, C., 2015. Bacterial community structure across environmental gradients in permafrost thaw ponds: methanotroph-rich ecosystems. Frontiers in Microbiology, 6: 192. DOI: 10.3389/fmicb.2015.00192.

Lovejoy, C., 2015. Diversity and Distribution of Marine Microbial Eukaryotes. Pages 128-132 dans Nelson, K.E. (Éditeur). Encyclopedia of Metagenomics. Genes, Genomes and Metagenomes: Basics, Methods, Databases and Tools. Springer US.

Mohit, V., Archambault, P., Lovejoy, C., 2015. Resilience and adjustments of surface sediment bacterial communities in an enclosed shallow coastal lagoon, Magdalen Islands, Gulf of St. Lawrence, Canada. FEMS Microbiology Ecology, 91(5): fiv038. DOI: 10.1093/femsec/fiv038.

Monier, A., Comte, J., Babin, M., Forest, A., Matsuoka, A., Lovejoy, C., 2015. Oceanographic structure drives the assembly processes of microbial eukaryotic communities. ISME Journal, 9: 990–1002. DOI: 10.1038/ismej.2014.197.

Nguyen, D., Maranger, R., Balagué, V., Coll-Lladó, M., Lovejoy, C., Pedrós-Alió, C., 2015. Winter diversity and expression of proteorhodopsin genes in a polar ocean. ISME Journal, 9: 1835-1845. DOI: 10.1038/ismej.2015.1.

Pedneault, E., Galand, P.E., Potvin, M., Tremblay, J.-É., Lovejoy, C., 2015. Corrigendum: Archaeal amoA and ureC genes and their transcriptional activity in the Arctic Ocean. Scientific Reports, 5: 11786. DOI: 10.1038/srep11786.

Pedrós-Alió, C., Potvin, M., Lovejoy, C., 2015. Diversity of planktonic microorganisms in the Arctic Ocean. Progress in Oceanography, 139: 233-243. DOI: 10.1016/j.pocean.2015.07.009.

Terrado, R., Monier, A., Edgar, R., Lovejoy, C., 2015. Diversity of nitrogen assimilation pathways among microbial photosynthetic eukaryotes. Journal of Phycology, 51: 490-506. DOI: 10.1111/jpy.12292.

Thaler, M., Lovejoy, C., 2015. Biogeography of heterotrophic flagellate populations indicates the presence of generalist and specialist taxa in the Arctic Ocean. Applied and Environmental Microbiology, 81(6): 2137-2148. DOI: 10.1128/AEM.02737-14.

Alonso-Sáez, L., Zeder, M., Harding, T., Pernthaler, J., Lovejoy, C., Bertilsson, S., Pedrós-Alió, C., 2014. Winter bloom of a rare betaproteobacterium in the Arctic Ocean. Frontiers in Microbiology, 5: 425. DOI: 10.3389/fmicb.2014.00425.

Charvet, S., Vincent, W.F., Lovejoy, C., 2014. Effects of light and prey availability on Arctic freshwater protist communities examined by high-throughput DNA and RNA sequencing. FEMS Microbiology Ecology, 88(3): 550-564. DOI: 10.1111/1574-6941.12324.

Dasilva, C.R., William, K.W.L., Lovejoy, C., 2014. Phylogenetic diversity of eukaryotic marine microbial plankton on the Scotian Shelf Northwestern Atlantic Ocean. Journal of Plankton Research, 36(2): 344-363. DOI: 10.1093/plankt/fbt123.

Keeling, P.J., Burki, F., Wilcox, H.M., Allam, B., Allen, E.E., Amaral-Zettler, L.A., Armbrust, V.E., Archibald, J.M., Bharti, A.K., Bell, C.J., Beszteri, B., Bidle, K.D., Cameron, C.T., Campbell, L., Caron, D.A., Cattolico, R.A., Collier, J.L., Coyne, K., Davy, S.K., Deschamps, P., Dyhrman, S.T., Edvardsen, B., Gates, R.D., Gobler, C.J., Greenwood, S.J., Guida, S.M., Jacobi, J.L., Jakobsen, K.S., James, E.R., Jenkins, B., John, U., Johnson, M.D., Juhl, A.R., Kamp, A., Katz, L.A., Kiene, R., Kudryavtsev, A., Leander, B.S., Lin, S., Lovejoy, C., Lynn, D., Marchetti, A., McManus, G., Nedelcu, A.M., Menden-Deuer, S., Miceli, C., Mock, T., Montresor, M., Moran, M.A., Murray, S., Nadathur, G., Nagai, S., Ngam, P.B., Palenik, B., Pawlowski, J., Petroni, G., Piganeau, G., Posewitz, M.C., Rengefors, K., Romano, G., Rumpho, M.E., Rynearson, T., Schilling, K.B., Schroeder, D.C., Simpson, A.G.B., Slamovits, C.H., Smith, D.R., Smith, G.J., Smith, S.R., Sosik, H.M., Stief, P., Theriot, E., Twary, S.N., Umale, P.E., Vaulot, D., Wawrik, B., Wheeler, G.L., Wilson, W.H., Xu, Y., Zingone, A., Worden, A.Z., 2014. The Marine Microbial Eukaryote Transcriptome Sequencing Project (MMETSP): Illuminating the functional diversity of eukaryotic life in the oceans through transcriptome sequencing. PLoS Biology, 12(6): e1001889. DOI: 10.1371/journal.pbio.1001889.

Lovejoy, C., 2014. Changing views of arctic protists (marine microbial eukaryotes) in a changing Arctic. Acta Protozoologica, 53: 91-100. DOI: 10.4467/16890027AP.14.009.1446 .

Mohit, V., Archambault, P., Toupoint, N., Lovejoy, C., 2014. Phylogenetic differences in summer attached and free-living bacterial communities in a temperate coastal lagoon, revealed via high throughput 16S rRNA gene sequencing. Applied and Environmental Microbiology, 80(7): 2071. DOI: 10.1128/AEM.02916-13.

Monier, A., Findlay, H.S., Charvet, S., Lovejoy, C., 2014. Late winter under ice pelagic microbial communities in the high Arctic Ocean and the impact of short-term exposure to elevated CO2 levels. Frontiers in Microbiology, 5: 490. DOI: 10.3389/fmicb.2014.00490.

Negandhi, K., Laurion, I., Lovejoy, C., 2014. Bacterial communities and greenhouse gas emissions of shallow pondsin the High Arctic. Polar Biology, 37(11): 1669-1683. DOI: 10.1007/s00300-014-1555-1 .

Nelson, R.J., Ashjian, C., Bluhm, B., Conlan, K., Gradinger, R., Grebmeier, J.M., Hill, V., Hopcroft, R., Hunt, B., Joo, H., Kirchman, D., Kosobokova, K., Lee, S., Li, W., Lovejoy, C., Poulin, M., Sherr, E., Young, K., 2014. Biodiversity and biogeography of lower trophic fauna of the Pacific Arctic Region. Grebmeier, J.M., Maslowski, W. (Éditeurs). The Pacific Arctic Region: Ecosystem Status and Trends in a Rapidly Changing Environment. Springer Publishing Co. New York, New York, États-Unis.

Pedneault, E., Galand, P.E., Potvin, M., Tremblay, J.-É., Lovejoy, C., 2014. Archaeal amoA and ureC genes and their transcriptional activity in the Arctic Ocean. Scientific Reports, 4: 4661. DOI: 10.1038/srep04661.

Thaler, M., Lovejoy, C., 2014. Environmental selection of marine stramenopile clades in the Arctic Ocean and coastal waters. Polar Biology, 37(3): 347-357. DOI: 10.1007/s00300-013-1435-0.

 
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