28 30 novembre 2022 Statut Terminé
Poitiers
Des gènes à l'architecture des plantes : le méristème caulinaire apical dans tous ses états
Programme
Ouverture de la conférence
Mot de la Fondation Xavier Bernard
Guy Viollet
Mot du Centre INRAE Nouvelle-Aquitaine-Poitiers
Philippe Barre
Exposé introductif
Morphogenesis at the shoot meristem: a challenging problem
Jan Traas
diaporama
Session 1 : Le fonctionnement du méristème caulinaire apical
Présidence : Herman Höfte, Jean-Louis Durand
On the initiation and maintenance of shoot meristems
Henrik Jönsson
Communications courtes :
- Tight control of division plane orientation is necessary to optimize the growth capacity of tissues and organs in Arabidopsis thaliana
Magalie Uyttewaal - De novo stem cell establishment in meristems requires repression of organ boundary cell fate
Patrick Laufs - 2_laufs_ifm2a2.pdf pdf - 2.39 MB
- How mechanical signals contribute to plant resilience after drastic pruning: the case of pollard trees
Marianne Lang - Analysis of natural variation in meristematic conversion
Jean-Christophe Palauqui - Hydraulic stress at the meristem-organ boundaries
Juan Alonso Serra - Computational analysis of cell division patterns in the shoot apical meristem
Philippe Andrey
Changing SAM geometry and generation of phyllotactic patterns
Dorota Kwiatkowska
From phyllotaxis to Homogalacturonan and back: exploring the origins of plant growth
Alexis Peaucelle
How meristem cells measure themselves and why it matters
Robert Sablowski
The distribution of sugars and amino acids between source and sink organs: more than just a transporters’game
Sylvie Dinant
Communications courtes :
- Model-based reconstruction of whole organ growth dynamics reveals invariant patterns in leaf morphogenesis
Jasmine Burguet8 Burguet IFM2A2.pdf pdf - 1.30 MB
- Statistical spatio-temporal atlasing of gene expression patterns during organ growth
Nicolas Arnaud - Bract inhibition at floral transition in Arabidopsis thaliana
Sana Dieudonné9 Dieudonné IFM2A2.pdf pdf - 5.90 MB
Session 2 : Détermination et régulation du méristème caulinaire apical et son devenir dans la plante
Présidence : Frédéric Boudon and Christophe Godin
Off with their head: a tale of decapitation and auxin
Yoan Coudert
Representation and functions of shoot apical meristems in FSPMs
Romain Barillot
What did we learn on meristem fates by modelling fruit tree development?
Evelyne Costes
Communications courtes :
- Detecting dormancy dynamics in woody plants by characterizing hydraulic connectivity between stem and bud
Guillaume Charrier12 Charrier IFM2A2.pdf pdf - 3.38 MB - Temperature heterogeneity at crown scale possible impact on tree architecture after late spring frost
Nicolas Dusart13 Dusart IFM2A2.pdf pdf - 2.49 MB - Axillary meristem is central to the trade-off between flowering and runnering in strawberry
Amélia Gaston
Control of lateral meristems: how is sugar availability involved in the environmental control of axillary bud outgrowth?
Jessica Bertheloot
Communications courtes :
- Sugar signaling modulates Shoot meristemless expression and meristem function in Arabidopsis
Filipa Lara Lopes - A hydraulically based model framework for the grass leaf meristem
Tom de Swaef15 DeSwaef IFM2A2.pdf pdf - 1.74 MB
Session 3 : Vers des FSPM intégrant les fonctions du méristème caulinaire apical
Présidence : Jessica Bertheloot and Romain Barillot
Cauliflowers and the genetic origin of fractals in plants
Christophe Godin
Communications courtes :
- The SAM and the leaf series in grasses: a new model
Jean-Louis Durand16 Durand IFM2A2.pdf pdf - 1.44 MB - Linking genes to plant global morphogenesis: the role of tropisms just beyond the SAM
Bruno Moulia17 Moulia IFM2A2.pdf pdf - 4.62 MB
Towards the integration of cellular scales in individual plant models
Anne Goelzer
Discussion générale
Quelles prochaines étapes pour l’intégration de la biologie du méristème caulinaire apical au niveau de la plante entière ?
Animation par Robert Faivre
