Objective
Cellular respiratory complexes play a central role in the production of ATP, the universal energy source of life. Defects in their activity are linked to neurodegenerative diseases in humans and antibiotics resistance in bacteria. Despite their capital importance, the assembly mechanisms of respiratory complexes remain highly unexplored.
This research project aims to investigate how the assembly of the major bacterial respiratory Complex I is assisted by a multi protein system involved in enterobacterial stress response. The host team recently solved the structures of two components of this system with cryo-electron microscopy (cryoEM) and X-ray crystallography, and showed that they form a huge cage-like assembly reminiscent of the GroEL-ES chaperone. Importantly, the latest scientific literature reported physical interactions between this macromolecular assembly and specific subunits of E. coli respiratory complexes.
To elucidate the functional role of this enigmatic machine in the assembly of Complex I, I will employ a highly integrated approach situated at the front line of molecular structural biology. A wide range of biophysical methods will be used to dissect the affinity and kinetics of individual interactions between components of this multi protein system and subunits of Complex I. I will examine the overall architecture of the formed complexes with negative stain electron microscopy and small-angle X-Ray/Neutron scattering, while atomic resolution insights of the complexes will be provided by high resolution single particle cryoEM and X-ray crystallography.
The structures and functional insights obtained in the proposed project will improve our general understanding of coordination between protein folding and assembly of respiratory complexes, and bring novel insights into their implication in antibiotics resistance and pathways of bacterial stress responses, which are crucial to developing strategies for controlling infection.
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.
- natural sciences biological sciences microbiology bacteriology
- natural sciences earth and related environmental sciences geology mineralogy crystallography
- natural sciences physical sciences optics microscopy electron microscopy
- natural sciences biological sciences biochemistry biomolecules proteins protein folding
- natural sciences biological sciences molecular biology structural biology
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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.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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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.
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.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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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.
(opens in new window) H2020-MSCA-IF-2017
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
75794 PARIS
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.