Project description
Dissecting cilia formation on cells
Cilia are cylindrical organelles present in eukaryotic cells consisting of microtubules in a defined organisational pattern maintained by the intraflagellar transport (IFT) complex. Scientists of the EU-funded ciTTub project are working on dissecting the mechanism by which IFT delivers building blocks and contributes to cilium homeostasis. Using a combination of biochemistry, X-ray crystallography and single-particle cryo-electron microscopy techniques, ciTTub will unveil cilium biogenesis at atomic resolution with important implications for the treatment of ciliopathies.
Objective
Cilia are essential hair-like structures presented at the surface of eukaryotic cells that allow motility, fluid flow and complex inter- and intracellular signalling events. Nine pairs of microtubules organized in a cylindrical shape called axoneme form the backbone of cilia. The formation and maintenance of cilia is dependent on a multi-subunit protein complex termed the intraflagellar transport (IFT) complex that actively delivers axonemal building blocks such as tubulin from the base to the tip of growing cilia. Lack of cilia or its miss-construction leads to severe developmental diseases called ciliopathies. Despite its fundamental role in cilium biogenesis, the process of tubulin recruitment, loading and unloading by the IFT machinery remains poorly understood. In this proposal, I aim to elucidate the mechanism of tubulin loading onto IFT complexes by determining high-resolution structures of intraflagellar transport (IFT) complexes bound to tubulin. Details about the IFT-tubulin interaction interface will be obtained by a combination of biochemical techniques like site directed photo- and chemical crosslinking followed by mass-spectrometry analysis and the structural biology techniques X-ray crystallography and single particle cryo-electron microscopy (cryo-EM). Ultimately, this study will enrich our understanding of cilium biogenesis and homeostasis by providing the first insight at atomic resolution into cargo selection and loading onto IFT machinery.
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 cell biology cell signaling
- natural sciences earth and related environmental sciences geology mineralogy crystallography
- natural sciences biological sciences biochemistry biomolecules proteins
- natural sciences physical sciences optics microscopy
- natural sciences biological sciences molecular biology structural biology
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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-2019
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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.
8000 Aarhus C
Denmark
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.