The mechanism of retrograde trafficking by retromer
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...
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Información proyecto RETROMER
Líder del proyecto
INSTITUT CURIE
No se ha especificado una descripción o un objeto social para esta compañía.
TRL
4-5
Presupuesto del proyecto
100K€
Fecha límite de participación
Sin fecha límite de participación.
Descripción del proyecto
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.