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From photoreceptor signalling to organ morphogenesis: How light regulates leaf shape

Objective

Leaves are one of the defining features of plants and are essential for their survival because they perform key functions such photosynthesis. Like for many plant organs, the growth of leaves is tremendously sensitive to the surrounding environment, including to the presence of light, which is necessary for photosynthesis. Light perception by plant photoreceptors can cause changes in leaf shape that help the plant adapt to its environment. Despite the agricultural importance of leaves, the mechanisms underlying these responses are poorly understood. The project will address this, using as a model the leaf flattening that is induced when plants detect blue light from above, a response that enables maximised light capture. A change in organ shape upon photoreceptor signalling requires coordinated regulation at the molecular, cellular, and tissue scales. The project will uncover the mechanisms underpinning regulation at each of these scales during blue-light-induced leaf flattening. The relationship between biological scales is often non-intuitive due to feedbacks and emergent properties. In these cases, mathematical models are particularly useful to generate and test hypotheses, and hence will be used for this project in combination with experiments. This work will generate a predictive understanding of how leaf shape is regulated by light, thereby answering a fundamental question about photobiology and plant development.

Fields of science (EuroSciVoc)

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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)

Programme(s)

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.

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.

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSITE DE LAUSANNE
Net EU contribution

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.

€ 292 118,88
Address
QUARTIER UNIL CENTRE - BATIMENT UNICENTRE
1015 LAUSANNE
Switzerland

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Region
Schweiz/Suisse/Svizzera Région lémanique Vaud
Activity type
Higher or Secondary Education Establishments
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Total cost

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.

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