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- Hormonal-Environnment crosstalk for plant organogenesis
- Influence of local auxin biosynthesis for female reproductive organ, seed and embryo development
- Transcriptional regulation of auxin biosynthetic genes in female reproductive organ, seed and embryo development
- Unraveling the effect of local auxin production on female reproductive organ (gynoecium or pistil), seed and embryo development in Arabidopsis and Brassica napus
- Identification of components of hormonal crosstalk by genetic approaches
- Characterization of endogenous and environmental regulators of auxin production in gynoecium, seed and embryo.
- Formulation of general models for hormonal regulation of organogenesis
Content of research
Crop production depends on sexual plant reproduction, ranging from flower formation, pollination and fertilization to seed production. Plant growth and development are regulated by signaling substances such as plant hormones. In plants, interactions between hormonal pathways and environmental cues represent crucial factors that modulate plant morphology, including seed production. However the molecular basis for hormonal-environment crosstalk is largely unknown, especially in seeds. Our research aims at identifying the molecular and cellular mechanism(s) underlying the regulation of hormonal pathways during organogenesis and other plant developmental processes.
We work with the plant model Arabidopsis and the crop model Brassica napus. We study the effect of auxin production during gynoecium and seed development, ideal experimental models to study mechanisms of the plant hormone action on morphogenesis, the molecular basis of this action, and the effects of the fine-tuning of its production.