Jean-David Grattepanche

Post-Doctoral fellow Smith College

Department of Biological Sciences Katz Lab

Northampton, MA, 01063, USA

Research Topics

Spatio-temporal variability and diversity of planktonic protists

Taxonomic and functional diversity of planktonic eukaryotes (mainly SAR)

Microbial food web

Phytoplankton-microzooplankton relationship


  • 2010 - 2011 ANR DREP: Diversity & roles of eumycetes in the pelagial.
    Coordinator: DR Télesphore SIME-NGANDO

  • 2010 - 2011 - Project BOUM (SESAME): Biogeochemistry from the Oligotrophic to Ultraoligotrophic Mediterranean.
    Coordinator: Dr. Thierry MOUTIN.

  • 2011 - Project IMMERSE (CNRS EC2CO): Diversity and seasonal variability of heterotrophic eukaryotic communities in a productive marine environment (Eastern English Channel).
    Coordinator: Pr Urania CHRISTAKI

  • 2011 - Project ICCARE (Région Nord-Pas de Calais): Impact des Changements Climatiques et Anthropiques sur la biodiversité des pRotistes des Ecosystèmes côtiers.
    Coordinator: Pr Sébastien LEFEBVRE

  • 2012 - 2014 - Project Diversity and biogeography of marine oligotrich and choreotrich ciliates (NSF US).
    Coordinator: Pr. Laura A. KATZ and Pr. George B. McMANUS.

  • In Progress
  • 2015 - 2017 - Diversity and dynamics of planktonic ciliates ­ what can next­ generation sequencing technologies tell us? (NSF US).
    Coordinator: Pr. Laura A. KATZ and Pr. George B. McMANUS.

  • 2015-2020 - GoLife: Collaborative Research: Bringing the diverse microbial clade Stramenopila + Alveolata + Rhizaria (SAR) into a modern genomic context. (NSF US).
    Coordinator: PI Chris LANE, Co-PIs Laura A. KATZ and Chuck DELWICHE.
Jean-David Grattepanche and Laura Katz on the deck of the R/V Cape Hatters (2012) JD and Laura on the deck of the R/V Cape Hatters (2012)


Pr. Laura A Katz

Ciliates diversity and biogeography

Pr. George B. McMANUS

Ciliates diversity and biogeography


PhD advisor, microbial trophic web

Dr. Dorothée VINCENT

Prey-predator experiments

Pr. Konstantinos Ar. KORMAS

Clone librairies construction

Dr. Sébastien MONCHY

Metagenomic analyses

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