Objective
The rhomboids are intramembrane proteases recently discovered in Drosophila where they cleave several growth factors within their transmembrane domains (TMDs) enabling thus their secretion. Rhomboids are conserved across evolution, but their physiological functions remain largely unknown. An efficient method for revealing rhomboid functions is the identification of their substrates. To achieve this goal, I propose two complementary approaches and describe their application to prokaryotic and eukaryotic rhom boids. The first approach relies on a library of chimeric substrates derived from predicted single-TMD proteins from Bacillus subtilis. The library will be screened against B. subtilis rhomboids and mouse rhomboid RHBDL2 in a heterologous cell-based assay. This approach should identify B. subtilis rhomboid substrates and provide insight into the TMD determinants of a rhomboid substrate. The second approach consists in identification of proteins released into the medium by the expression of rhomboid. Extrace llular protein profiles of cell lines expressing either active rhomboid or an inactive rhomboid mutant will be compared and relative protein abundances will be quantified by proteomic methods based on two-dimensional liquid chromatography and mass spectrom etry. This approach has the potential to provide a generic technology for identification of rhomboid substrates, which would have a major impact on the field.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP6-2002-MOBILITY-5
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Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
LONDON
United Kingdom
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