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Contenu archivé le 2024-05-27

The mechanism of retrograde trafficking by retromer

Objectif

Transportation of proteins and lipids between membrane-enclosed organelles by vesicle formation is a fundamental task in eukaryote cells. The least understood protein complex involved in membrane remodelling for vesiculation, but with a wide range of medical implications, is the retromer complex.

The objective of this proposal is:
First, to identify the mechanistic principles of membrane bending and scission by retromer, and second to characterize temporal and morphological aspects of retromer and cargo molecules (Shiga toxin (STx) and Alzheimer’s amyloid-beta-cleaving enzyme (BACE)).

I will exploit two approaches:
First, in vitro reconstitution of the retromer complex using giant unilamellar vesicles to deploy biophysical methods.
Second, I will provide a molecular choreography and anatomy of retrograde transport of STx, BACE and retromer by implementing a new imaging technique, structured-illumination microscopy combined with single particle tracking.

The proposed interdisciplinary research will break new ground for membrane mechanics and trafficking of disease related cargo molecules.

Champ scientifique (EuroSciVoc)

Programme(s)

Thème(s)

Appel à propositions

FP7-PEOPLE-2010-RG
Voir d’autres projets de cet appel

Régime de financement

MC-IRG - International Re-integration Grants (IRG)

Coordinateur

INSTITUT CURIE
Contribution de l’UE
€ 100 000,00
Coût total
Aucune donnée