Plankton networks driving carbon export in the oligotrophic ocean. Guidi, L., Chaffron, S., Bittner, L., Eveillard, D., Larhlimi, A., Roux, S., Darzi, Y., Audic, S., Berline, L., Brum, J., Coelho, L. P., Espinoza, J. C. I., Malviya, S., Sunagawa, S., Dimier, C., Kandels-Lewis, S., Picheral, M., Poulain, J., Searson, S., Tara Oceans coordinators, Stemmann, L., Not, F., Hingamp, P., Speich, S., Follows, M., Karp-Boss, L., Boss, E., Ogata, H., Pesant, S., Weissenbach, J., Wincker, P., Acinas, S. G., Bork, P., de Vargas, C., Iudicone, D., Sullivan, M. B., Raes, J., Karsenti, E., Bowler, C., & Gorsky, G. Nature, 532(7600):465–470, April, 2016.
doi  abstract   bibtex   1 download  
The biological carbon pump is the process by which CO2 is transformed to organic carbon via photosynthesis, exported through sinking particles, and finally sequestered in the deep ocean. While the intensity of the pump correlates with plankton community composition, the underlying ecosystem structure driving the process remains largely uncharacterized. Here we use environmental and metagenomic data gathered during the Tara Oceans expedition to improve our understanding of carbon export in the oligotrophic ocean. We show that specific plankton communities, from the surface and deep chlorophyll maximum, correlate with carbon export at 150 m and highlight unexpected taxa such as Radiolaria and alveolate parasites, as well as Synechococcus and their phages, as lineages most strongly associated with carbon export in the subtropical, nutrient-depleted, oligotrophic ocean. Additionally, we show that the relative abundance of a few bacterial and viral genes can predict a significant fraction of the variability in carbon export in these regions.
@article{guidi_plankton_2016,
	title = {Plankton networks driving carbon export in the oligotrophic ocean},
	volume = {532},
	issn = {1476-4687},
	doi = {10.1038/nature16942},
	abstract = {The biological carbon pump is the process by which CO2 is transformed to organic carbon via photosynthesis, exported through sinking particles, and finally sequestered in the deep ocean. While the intensity of the pump correlates with plankton community composition, the underlying ecosystem structure driving the process remains largely uncharacterized. Here we use environmental and metagenomic data gathered during the Tara Oceans expedition to improve our understanding of carbon export in the oligotrophic ocean. We show that specific plankton communities, from the surface and deep chlorophyll maximum, correlate with carbon export at 150 m and highlight unexpected taxa such as Radiolaria and alveolate parasites, as well as Synechococcus and their phages, as lineages most strongly associated with carbon export in the subtropical, nutrient-depleted, oligotrophic ocean. Additionally, we show that the relative abundance of a few bacterial and viral genes can predict a significant fraction of the variability in carbon export in these regions.},
	language = {eng},
	number = {7600},
	journal = {Nature},
	author = {Guidi, Lionel and Chaffron, Samuel and Bittner, Lucie and Eveillard, Damien and Larhlimi, Abdelhalim and Roux, Simon and Darzi, Youssef and Audic, Stephane and Berline, Léo and Brum, Jennifer and Coelho, Luis Pedro and Espinoza, Julio Cesar Ignacio and Malviya, Shruti and Sunagawa, Shinichi and Dimier, Céline and Kandels-Lewis, Stefanie and Picheral, Marc and Poulain, Julie and Searson, Sarah and {Tara Oceans coordinators} and Stemmann, Lars and Not, Fabrice and Hingamp, Pascal and Speich, Sabrina and Follows, Mick and Karp-Boss, Lee and Boss, Emmanuel and Ogata, Hiroyuki and Pesant, Stephane and Weissenbach, Jean and Wincker, Patrick and Acinas, Silvia G. and Bork, Peer and de Vargas, Colomban and Iudicone, Daniele and Sullivan, Matthew B. and Raes, Jeroen and Karsenti, Eric and Bowler, Chris and Gorsky, Gabriel},
	month = apr,
	year = {2016},
	pmid = {26863193},
	pmcid = {PMC4851848},
	keywords = {Aquatic Organisms, Carbon, Chlorophyll, Dinoflagellida, Ecosystem, Expeditions, Genes, Bacterial, Genes, Viral, Geography, Oceans and Seas, Photosynthesis, Plankton, Seawater, Synechococcus},
	pages = {465--470},
}
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