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IJPB (Jean-Pierre Bourgin Institute)

UMR (Joint Research Unit) AgroParisTech, Inra

General scientific orientation

The IJPB unit brings together a unique collection of resources and skills in biology, chemistry and mathematics, dedicated to plant science research. It has a broad range of activities, extending from basic research on plant development and physiology, to more applied research relating to the food and non-food uses of plants in a context of sustainable agriculture. The research teams of the IJPB are interested, in particular, in the evolution and functioning of genomes, the response of plants to the stresses they experience in their environment, and multiple fundamental aspects of plant biology, from the level of the cell, to that of the whole plant (development, physiology and metabolism). This fundamental research will form the cornerstone of biotechnological approaches at various levels, from the optimization of plant breeding methods to the characterization of diverse molecules of plant origin (cellulose, lignins, lipids) and their industrial uses.

Fields of research

The unit comprises five scientific groups :
Dynamics and expression of plant genomes
♦ Understanding the fundamental mechanisms of genome function following exposure to biotic or abiotic stresses (epigenetic control, transposons) and the epigenetic regulation of gene expression by small RNA molecules
♦ Studies of the structure-function relationships of the genome during meiosis (recombination) or genomic shocks (polyploidization), with fundamental and applied perspectives
♦ Proposition of innovative techniques for genome editing, and their application to species of agronomic interest

Adaptation of plants to the environment
♦ Studies of the responses of plants to environmental constraints in terms of their physiology, metabolism and development, essentially through genetic, genomic and molecular approaches, from a systems biology standpoint that will also provide knowledge for the domain of agroecology
♦ Analysis of the responses to abiotic environmental constraints, such as those linked to nitrogen and water limitations, cold, osmotic stress and their combination (together with biotic stresses)

The function and uses of the cell wall
♦ Studies of the cell wall, its composition, structure and construction, in biological models and in species of agronomic and/or industrial interest
♦ Studies of the mechanisms underlying wall integrity and composition, and their importance in situations of biotic or abiotic stress
♦ Improving the match between plant resources and their uses (bioenergy, plant fibers, green chemistry)

Reproduction and seeds
♦ Studies of the sexual part of the plant life cycle (gametes, reproduction, seed formation and quality, germination, lipid and protein reserves)
♦ Elucidating the mechanisms underlying the synthesis, structure and biological function of lipids, proteins and metabolites in seeds
♦ Exploration of the network of interactions at work in seed metabolism

Morphogenesis, signaling and modeling
♦ Studies of plant cells and their mechanisms of division, growth and differentiation
♦ Analysis and modeling of the mechanisms underlying higher plant development, at the levels of the cell, organ and whole plant
♦ Development of innovative modeling methods, based on imaging, in particular, for the development of a multiscale understanding of development
♦ Proposition of innovative biotechnological strategies for plant resources and their use

For more information
Publications
Check out the open access publications of IJBP on HAL-AgroParisTech :
https://bit.ly/2V3Rjpy
and
https://bit.ly/2Wkx1Za

Contact details
+ 33 (0)1 30 83 30 00
ijpb chez inra.fr
www.ijpb.versailles.inra.fr

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Tel: 33 (0) 1 44 08 18 43
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