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Restructuring of genomic provinces of surface ocean plankton under climate change

Paul Frémont, Marion Gehlen, Mathieu Vrac, Jade Leconte, Patrick Wincker, Daniele Iudicone, Olivier Jaillon
doi: https://doi.org/10.1101/2020.10.20.347237
Paul Frémont
1Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université d’Evry, Université Paris-Saclay, 91057 Evry, France
2Research Federation for the study of Global Ocean Systems Ecology and Evolution, FR2022/Tara Oceans, Paris, France
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  • For correspondence: pfremont@genoscope.cns.fr marion.gehlen@lsce.ipsl.fr ojaillon@genoscope.cns.fr
Marion Gehlen
3LSCE-IPSL, CEA/CNRS/Université Paris-Saclay, Gif-sur-Yvette, France
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  • For correspondence: pfremont@genoscope.cns.fr marion.gehlen@lsce.ipsl.fr ojaillon@genoscope.cns.fr
Mathieu Vrac
3LSCE-IPSL, CEA/CNRS/Université Paris-Saclay, Gif-sur-Yvette, France
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Jade Leconte
1Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université d’Evry, Université Paris-Saclay, 91057 Evry, France
2Research Federation for the study of Global Ocean Systems Ecology and Evolution, FR2022/Tara Oceans, Paris, France
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Patrick Wincker
1Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université d’Evry, Université Paris-Saclay, 91057 Evry, France
2Research Federation for the study of Global Ocean Systems Ecology and Evolution, FR2022/Tara Oceans, Paris, France
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Daniele Iudicone
4Stazione Zoologica Anton Dhorn. Villa Comunale, 80121, Naples, Italy
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Olivier Jaillon
1Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université d’Evry, Université Paris-Saclay, 91057 Evry, France
2Research Federation for the study of Global Ocean Systems Ecology and Evolution, FR2022/Tara Oceans, Paris, France
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  • For correspondence: pfremont@genoscope.cns.fr marion.gehlen@lsce.ipsl.fr ojaillon@genoscope.cns.fr
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Abstract

The impact of climate change on diversity, functioning and biogeography of marine plankton is a major unresolved scientific issue. Here, niche theory is applied on plankton metagenomes sampled during the Tara Oceans expedition to derive pan-ocean geographical structuring in climatic provinces for 6 size fractions, from viruses to meso-zooplankton. Assuming a high warming scenario (RCP8.5), the identified tropical provinces would expand and temperate provinces would shrink. Poleward shifts are projected for 96% of provinces in five major basins leading to their reorganization over ~50% of the surface ocean south of 60°N, of which 3% correspond to novel assemblages of provinces. Sea surface temperature is identified as the main driver and accounts only for ~51 % of the changes followed by phosphate (11%) and salinity (10.3%). These results demonstrate the potential of integration of genomics with physico-chemical data for higher scale modeling and understanding of ocean ecosystems.

Competing Interest Statement

The authors have declared no competing interest.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted October 20, 2020.
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Restructuring of genomic provinces of surface ocean plankton under climate change
Paul Frémont, Marion Gehlen, Mathieu Vrac, Jade Leconte, Patrick Wincker, Daniele Iudicone, Olivier Jaillon
bioRxiv 2020.10.20.347237; doi: https://doi.org/10.1101/2020.10.20.347237
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Restructuring of genomic provinces of surface ocean plankton under climate change
Paul Frémont, Marion Gehlen, Mathieu Vrac, Jade Leconte, Patrick Wincker, Daniele Iudicone, Olivier Jaillon
bioRxiv 2020.10.20.347237; doi: https://doi.org/10.1101/2020.10.20.347237

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