A brief history of Plankton in Roscoff

Presented during the 150-year celebration of the Station Biologique de Roscoff on 2022-10-06.

Transcript

1. A brief (personal) history of Plankton in Roscoff Daniel Vaulot Colloque Scientifique - 150 ans 2022-10-06
2. 2 / 40 There is no plankton in Roscoff… Gerould, J.H., 1899. The Biological Stations of Brittany. Science 9, 165–167. Mémoires de Guy Jacques: https://argonautes.club/images/sampledata/temoignages/livre-gj/pdf/debut_oceanographie-chap2.pdf Gerould in Science 1899 … for plankton studies, Roscoff is badly situated
3. 3 / 40 There is no plankton in Roscoff… Gerould, J.H., 1899. The Biological Stations of Brittany. Science 9, 165–167. Mémoires de Guy Jacques: https://argonautes.club/images/sampledata/temoignages/livre-gj/pdf/debut_oceanographie-chap2.pdf Gerould in Science 1899 Georges Tessier in 1962 Vous venez étudier le plancton de la Manche ? Mais il n’y en a pas… … for plankton studies, Roscoff is badly situated
4. 4 / 40 Sixty years later…
5. 5 / 40 The pioneers Enrique Balech - Dinoflagellés Balech, E., 1956. Étude des dinoflagellés du sable de Roscoff. Rev. Algol. 2, 29–52.
6. 6 / 40 The pioneers A collective thesis in 1963-1964 Grall, J.-R., Jacques, G., 1964. Étude dynamique et variations saisonnières du plancton de la région de Roscoff - I. Cahiers de Biologie Marine 5, 423–455. Grall Razouls Jacques Bodo
7. 7 / 40 The pioneers Jean-René Grall and Guy Jacques Grall, J.-R., Jacques, G., 1964. Étude dynamique et variations saisonnières du plancton de la région de Roscoff - I. Cahiers de Biologie Marine 5, 423–455.
8. Birth of the plankton group
9. 9 / 40 Serge Poulet Roscoff 1980-2008 • Interactions zooplankton - phytoplankton • Amino acids • Collaboration with Plymouth/Naples
10. 10 / 40 Alain Sournia Roscoff 1984-1990 • Dinoflagellates taxonomy • Fronts • Roscoff Time Series And a philosopher…
11. 11 / 40 Daniel Vaulot Roscoff 1984-2019 The first PC of the Station…
12. Picoplankton everywhere
13. 13 / 40 The oceans as deserts
14. 14 / 40 Synechococcus- 1979 John Waterbury - Epifluorescence microscopy Waterbury, J.B., Watson, S.W., Guillard, R.R.L. & Brand, L.E. 1979. Nature. 277:293–4.
15. 15 / 40 Prochlorococcus- 1988 Penny Chisholm - Flow cytometry Chisholm, S.W., Olson, R.J., Zettler, E.R., Goericke, R., Waterbury, J.B., Welschmeyer, N.A., 1988. A novel free-living prochlorophyte abundant in the oceanic euphotic zone. Nature 334, 340–343.
16. 16 / 40 Hunting plankton with flow cytometry Cruise CHLOMAX - 1987 Claude Courties Coulter EPICS 451
17. 17 / 40 Hunting plankton with flow cytometry Cruise EROS - 1989 Fred Partensky
18. 18 / 40 Developing new methods Staining bacteria and viruses Dominique Marie 1100 cita�ons 700 cita�ons
19. 19 / 40 Getting picoplankton into culture Prochloroccusworkshop - 1993 Fred Partensky
20. 20 / 40 Getting picoplankton into culture New classes of algae Bolidophyceae-1999 Laure Guillou
21. 21 / 40 Getting picoplankton into culture New species and genera Picophagus Chloropicon Acaryochloris • Bolidomonas (now Triparma) • Picophagus & Symbiomonas • Florenciella • Partenskyella & Lotharella • Chloropicon & Chloroparvula • Prasinoderma • Mantoniella • Micromonas • Pseudohaptolina • Acaryochloris
22. 22 / 40 The Roscoff Culture Collection - 1998 Today one of the biggest collection for marine microalgae Ian Florence Priscillia
23. The era of the molecule
24. 24 / 40 A new world Dave Scanlan and Wolfgang Hess introduced us to the molecule… Wolfgang Hess Dave Scanlan
25. Laurence 25 / 40 Genomes Fred & Alexis
26. 26 / 40 Picoplankton - 1982 Johnson and Sieburth - Electron microscopy
27. 27 / 40 Discovering the huge diversity of eukaryotes Seung Yeo Moon
28. 28 / 40 FISHing for picoplankton Citation 2004 Fabrice Not Nathalie Simon
29. Beyond phytoplankton
30. 30 / 40 Viruses and Bacteria Arsenieff et al., 2019. First Viruses Infecting the Marine Diatom Guinardia delicatula. Frontiers in Microbiology 9. Lehours et al., 2015. The hydrological context determines the beta-diversity of aerobic anoxygenic phototrophic bacteria in European Arctic seas but does not favor endemism. Frontiers in Microbiology 6, 1–9. Christian Jeanthon Anne-Claire Baudoux
31. 31 / 40 Protists Colomban de Vargas Fabrice Not
32. 32 / 40 Symbiosis and Parasitism Decelle et al., 2022. Intracellular development and impact of a marine eukaryotic parasite on its zombified microalgal host. ISME J 1–12. Laure Guillou Aurélie Chambouvet
33. Trends
34. 34 / 40 Going global
35. 35 / 40 Meta … Omics
36. 36 / 40 Public databases
37. 37 / 40 Physiology and Genetics Christophe Six
38. People and Sponsors
39. 39 / 40 The Plankton group Changed name many times… now ECOMAP 2002 2007 2022
40. 40 / 40 EU funding