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Pollinator-assisted plant natural selection and breeding under climate change pressure

Project description

Changing the current paradigm of plant phenotyping

Climate change has brought about a range of challenges that threaten food security. With heat and drought being major stresses affecting crop physiology and ecosystem services, such as plant-pollinator interactions, identifying genetic traits of resilience is crucial. The EU-funded DARkWIN project proposes to track and rank pollinators’ preferences for flowers of a tomato mapping population exposed to heat and drought as a measure of functional source-to-sink relationships. It will develop a pollinator-assisted selection and phenotyping platform for automated quantification of genotype x pollinator x environment interactions through a bumblebee geo positioning system. DARkWIN will deliver tomato F1 pre-commercial varieties based on the natural biological process of pollinator-driven selection under climate change conditions.

Objective

Food security is threatened by climate change, with heat and drought being the main stresses affecting crop physiology and ecosystem services, such as plant-pollinator interactions. Despite the increasing relevance of flowers in sensing the stress, phenotyping platforms aim at identifying genetic traits of resilience by assessing the physiological status of the plants, usually through remote sensing-assisted vegetative indexes, but find strong bottlenecks in quantifying flower traits and in accurate genotype-to-phenotype prediction. However, as the transport of photoassimilates from leaves (sources) to flowers (sinks) is reduced in low-resilient plants, flowers are better indicators than leaves of plant well-being. Indeed, the chemical composition of flowers changes in response to heat and drought, as it does the amount of pollen and nectar that flowers produce, which ultimately serve as food recourses for the pollinators. DARkWIN proposes to track and rank pollinators’ preferences for flowers of a tomato mapping population exposed to heat and drought as a measure of functional source-to-sink relationships. To achieve this goal, DARkWIN will develop a pollinator-assisted selection and phenotyping platform for automated quantification of Genotype x Pollinator x Environment interactions through a bumblebee geo-positioning system. Pollinator-assisted selection for agriculture will be validated by a multi-omics dataset of unprecedented dimensions in a mapping population of tomato, including floral metabolic, transcriptomic, and ionomic traits, as well as mapping candidate genes, linking floral traits, pollinator preferences, and plant resilience. Moreover, DARkWIN will deliver tomato F1 pre-commercial varieties based on the natural biological process of pollinatordriven selection under climate change conditions. This radical new approach can change the current paradigm of plant phenotyping and find new paths for crop breeding assisted by ecological decisions.

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Topic(s)

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HORIZON-EIC - HORIZON EIC Grants

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Call for proposal

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(opens in new window) HORIZON-EIC-2022-PATHFINDEROPEN-01

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Coordinator

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
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.

€ 1 788 115,00
Address
CALLE SERRANO 117
28006 MADRID
Spain

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Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
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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.

€ 1 788 115,00

Participants (4)

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