Published May 22, 2015 | Version v1
Journal article Restricted

Determinants of community structure in the global plankton interactome

Authors/Creators

  • 1. Department of Microbiology and Immunology, Rega Institute KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
  • 2. Station Biologique de Roscoff, CNRS, UMR 7144, Place Georges Teissier, 29680 Roscoff, France.
  • 3. Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721, USA.
  • 4. VIB Center for the Biology of Disease, VIB, Herestraat 49, 3000 Leuven, Belgium.
  • 5. CNRS, UMR 7093, Laboratoire d’Océanographie de Villefranche (LOV), Observatoire Océanologique, F-06230 Villefranche-sur-mer, France.
  • 6. Interuniversity Institute of Bioinformatics in Brussels (IB)2, ULB Machine Learning Group, Computer Science Department, Université Libre de Bruxelles (ULB), Brussels, Belgium.
  • 7. Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)–Consejo Superior de Investigaciones Científicas (CSIC), Pg. Marítim de la Barceloneta, 37-49, Barcelona E08003, Spain.
  • 8. Sorbonne Universités, UPMC, Université Paris 06, CNRS–Institut pour la Recherche et le Développement–Muséum National d'Histoire Naturelle, Laboratoire d’Océanographie et du Climat: Expérimentations et Approches Numériques (LOCEAN) Laboratory, 4 Place Jussieu, 75005, Paris, France.
  • 9. 4KU Leuven, Laboratory of Aquatic Ecology, Evolution and Conservation, Charles Deberiotstraat 32, 3000 Leuven.
  • 10. KU Leuven, Laboratory of Aquatic Ecology, Evolution and Conservation, Charles Deberiotstraat 32, 3000 Leuven.
  • 11. Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg,
  • 12. Institute for Chemical Research, Kyoto University, Gokasho, Uji, 611-0011 Kyoto, Japan
  • 13. Department of Geosciences, Laboratoire de Météorologie Dynamique (LMD), Ecole Normale Supérieure, 24 rue Lhomond, 75231 Paris Cedex 05, France.
  • 14. Commissariat à l’Énergie Atomique (CEA), Genoscope, 2 rue Gaston Crémieux, 91000 Evry, France.
  • 15. Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany.
  • 16. Ecole Normale Supérieure, Institut de Biologie de l’ENS (IBENS), Inserm U1024, CNRS UMR 8197, Paris, F-75005 France.

Description

Species interaction networks are shaped by abiotic and biotic factors. Here, as part of
the Tara Oceans project, we studied the photic zone interactome using environmental
factors and organismal abundance profiles and found that environmental factors are
incomplete predictors of community structure. We found associations across plankton
functional types and phylogenetic groups to be nonrandomly distributed on the network
and driven by both local and global patterns.We identified interactions among grazers,
primary producers, viruses, and (mainly parasitic) symbionts and validated networkgenerated
hypotheses using microscopy to confirm symbiotic relationships.We have thus
provided a resource to support further research on ocean food webs and integrating
biological components into ocean models

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Additional details

Funding

European Commission
MICRO B3 - Marine Microbial Biodiversity, Bioinformatics and Biotechnology 287589