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PHOTO-LINK

Financiado

Harnessing the Sun: Structural elucidation of the photoprotective Photosystem II...

Harnessing the Sun: Structural elucidation of the photoprotective Photosystem II interactome Splitting of water molecules by Photosystem II (PSII) in oxygenic photosynthetic organisms sustains oxygen evolution on Earth, making this complex central for life on this planet. Sunlight is arguably the most variable source of e... ver más

14/11/2024

CEA

212K€

Presupuesto del proyecto: 212K€

Líder del proyecto

COMMISSARIAT A L ENERGIE ATOMIQUE ET AUX ENER... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Ver 2 Participantes

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-11-14

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

HORIZON-MSCA-2021-PF-01-01: MSCA Postdoctoral Fellowships 2021

I+D

Cerrada hace 3 años

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2 Participantes

CEA

211.75K€ | Lider

CNRS

N.D. | Participante

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27-11-2024: DGIPYME En las últimas 48 horas el Organismo DGIPYME ha otorgado 1 concesiones

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Duración del proyecto: 28 meses Fecha Inicio: 2022-07-14
Fecha Fin: 2024-11-14

Presupuesto del proyecto 212K€

Descripción del proyecto Splitting of water molecules by Photosystem II (PSII) in oxygenic photosynthetic organisms sustains oxygen evolution on Earth, making this complex central for life on this planet. Sunlight is arguably the most variable source of energy in natural environments, with variations in quantity and quality occurring in the range of seconds to hours, and photosynthetic organisms evolved an ensemble of photosynthetic mechanisms to thrive in every ecosystem. Consequently, the ecological success of photosynthesis relies on the interaction of a conserved PSII catalytic core with a plethora of interacting proteins - its interactome - to optimize light harvesting and drive the disassemble/repair cycle of excess light-damaged PSII. The structural association of PSII with its interactome is inevitably transient and therefore recalcitrant to classic approaches for structural determination. PHOTO-LINK will employ a novel multidisciplinary approach that combines structural proteomics, spectroscopy and cryo-electron microscopy (EM) to provide a complete picture of how photosynthetic organisms adapt their PSII interactome to ever-changing environmental conditions. The methodological approach will be developed initially using two ecologically divergent model organisms, the vascular plant Arabidopsis thaliana (At) and marine phytoplanktonic diatom Phaeodactylum tricornutum (Pt). The subsequent structural elucidation of the photoprotective mechanisms in the organism of choice will provide cutting-edge scientific knowledge, along with valuable directions for biotechnological improvement of light-use-efficiency in globally relevant crops to increase their productivity (thanks to data acquired in At) and/or to optimise CO2 sequestration and transformation in marine phytoplankton (thanks to data acquired in Pt).

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