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A brief (personal) history of Plankton in Roscoff
Daniel Vaulot
Colloque Scientifique - 150 ans
2022-10-06
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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
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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
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Sixty years later…
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The pioneers
Enrique Balech - Dinoflagellés
Balech, E., 1956. Étude des dinoflagellés du sable de Roscoff. Rev. Algol. 2, 29–52.
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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
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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.
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Birth of the plankton group
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Serge Poulet
Roscoff 1980-2008
● Interactions zooplankton - phytoplankton
● Amino acids
● Collaboration with Plymouth/Naples
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Alain Sournia
Roscoff 1984-1990
● Dinoflagellates taxonomy
● Fronts
● Roscoff Time Series
And a philosopher…
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Daniel Vaulot
Roscoff 1984-2019
The first PC of the Station…
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Picoplankton everywhere
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The oceans as deserts
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Synechococcus- 1979
John Waterbury - Epifluorescence microscopy
Waterbury, J.B., Watson, S.W., Guillard, R.R.L. & Brand, L.E. 1979. Nature. 277:293–4.
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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.
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Hunting plankton with flow cytometry
Cruise CHLOMAX - 1987
Claude Courties
Coulter EPICS 451
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Hunting plankton with flow cytometry
Cruise EROS - 1989
Fred Partensky
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Developing new methods
Staining bacteria and viruses
Dominique Marie
1100 cita�ons
700 cita�ons
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Getting picoplankton into culture
Prochloroccusworkshop - 1993
Fred Partensky
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Getting picoplankton into culture
New classes of algae
Bolidophyceae-1999
Laure Guillou
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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
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The Roscoff Culture Collection - 1998
Today one of the biggest collection for marine microalgae
Ian
Florence
Priscillia
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The era of the molecule
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A new world
Dave Scanlan and Wolfgang Hess introduced us to the molecule…
Wolfgang Hess
Dave Scanlan
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Laurence
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Genomes
Fred & Alexis
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Picoplankton - 1982
Johnson and Sieburth - Electron microscopy
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Discovering the huge diversity of eukaryotes
Seung Yeo Moon
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FISHing for picoplankton
Citation
2004
Fabrice Not
Nathalie Simon
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Beyond phytoplankton
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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
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Protists
Colomban de Vargas
Fabrice Not
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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
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Trends
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Going global
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Meta … Omics
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Public databases
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Physiology and Genetics
Christophe Six
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People and Sponsors
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The Plankton group
Changed name many times… now ECOMAP
2002
2007
2022
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EU funding