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14 novembre 2017: 2 événements

  • Cytoskeleton club

    Mardi 14 novembre 11:30-12:30 - Julie Ménétrey

    Cytoskeleton club

    Résumé : How kinesin motors recruit their cargos for MT-based transport : a structural point of view

    Lieu : Bibliothèque - Bâtiment 34, campus de Gif

    En savoir plus : Cytoskeleton club
  • Département Microbiologie

    Mardi 14 novembre 11:30-12:30 - Dr George Di Cenzo - Department of Biology, University of Florence, Florence, Italy

    Experimental and in silico guided approaches to studying the rhizobium-legume symbiosis

    Résumé : Rhizobia are bacterial species capable of fixing atmospheric nitrogen gas to ammonium in symbiosis with a plant host, an agriculturally and ecologically important process. Our group studies Sinorhizobium meliloti as a model rhizobium, using both experimental genetic and in silico approaches. In this talk, I will describe our efforts aimed at identifying the S. meliloti gene set that is both necessary and sufficient for symbiotic nitrogen fixation, which is based upon a large-scale genome manipulation strategy involving the deletion of nearly 3,000 genes. Two specific stories arising from this work will be described to highlight the potential of this approach in advancing our understanding of the genetics of symbiosis. I will also describe our work in reconstructing an in silico genome-scale S. meliloti metabolic network, and how we are using this metabolic model with flux balance analysis to study the genetics and metabolism of S. meliloti as a free-living organism and during symbiosis with a host plant.
    Invité par l’Equipe "Intéractions Plantes-Bactéries"

    Lieu : Salle A. Kalogeropoulos - Bâtiment 400, campus d’Orsay

    En savoir plus : Département Microbiologie