Role of CUCs in shaping the plant body plan

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Table of contents

Chapter I: An introduction to plant morphogenesis from cells to shape through differential growth
Morphogenesis: shapes, cells and growth
Plant morphogenesis: a complex multiscale process
Cell cycle and cell division events
Cell expansion
A specific view on plant morphogenesis: Heterogeneity
Differential growth shapes the above ground plant body plan
Meristem boundaries and primordia
Role of CUCs in shaping the plant body plan
Leaf (margin): a model to study differential growth
Structural organization of leaves and associated cell types
Main growth axis and control of leaf size
New growth axis at the leaf margin
Main objective of the project
Chapter II: CUC3 mediates differential growth at the leaf margin by reducing cell growth
Chapter III: Auxin responses and mapping of TIR1/AFB during leaf serration
Core auxin signaling pathway: from perception to transcriptional outputs
Structural organization of auxin signaling components
TIR/AFBs-AUX/IAAs interaction: affinity and specificity
AUX/IAAs inhibitory action on auxin transcriptional output
ARFs oligomerization and organization of AuxREs drive the diversity of auxin responses
Other levels of ARF regulations
Auxin signaling components involved in leaf serration
Results
Pattern of auxin responses during leaf serration
Pattern of TIR1, AFB2 and AFB3 during leaf serration
Leaf phenotype of tir1/afb mutants
Discussion
Material and methods
Chapter IV: General discussion and perspectives
Growth control: multicellular levels and cell wall properties
From mechanosensing to transcriptional activation of CUC3
Differential auxin distribution and differential growth
Toward an integrative understanding of morphogenesis: interplay between developmental biology and computational science
References