PHOTONICS
Financiado
Photoinhibition: Nature of the process and Influence on primary productivity Acr...
Photosynthetic microbes contribute over 50% of carbon fixation on Earth. Inhabiting extremely diverse environments, they always have to cope with a friend that is simultaneously their enemy: sunlight. Photon energy is necessary fo...
Photosynthetic microbes contribute over 50% of carbon fixation on Earth. Inhabiting extremely diverse environments, they always have to cope with a friend that is simultaneously their enemy: sunlight. Photon energy is necessary for photosynthesis, but it continuously damages the photosynthetic apparatus, primarily the first enzyme in oxygenic photosynthesis – Photosystem II (PSII) – in the process of photoinhibition. Upon photodamage, PSII becomes irreversibly inactivated, unable to do electron transfer, and requires costly repair involving protein translation. Photoinhibition represents a major limiting factor to terrestrial and aquatic photosynthesis. Despite decades of research on PSII and photoinhibition, many key aspects of photoinhibition remain unresolved, among them: -the site within the PSII complex where the photoinhibitory damage takes place, as well as its molecular nature -partitioning of the known different types of damage, dependent on the environment and conditions -the role of the mysterious haem b559, conserved in phototrophs close to PSII reaction centre and transferring electrons, long speculated to play a role in photoprotection but with no convincing role assigned to date In PHOTONICS, I aim to focus on these issues to provide a thorough description of photoinhibition and photoprotection strategies in photosynthetic microbes. I will use a combination of novel in vivo methods, taking advantage of the most recent developments in time-resolved fluorescence- and absorption spectroscopies. These will be combined with genetics and state-of-the-art structural biology. It is the integrative nature of PHOTONICS, bridging different scales of complexity in a hypothesis-driven manner, that will allow to finally resolve the critical missing pieces of PSII function and damage. Finally, it will provide a methodological blueprint for assessment of photoinhibition in situ, and aid modelling of photosynthetic productivity under fluctuating conditions.
ver más
Duración del proyecto: 64 meses
Fecha Inicio: 2024-04-12
Fecha Fin: 2029-08-31
Fecha Fin: 2029-08-31
Línea de financiación: concedida
El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2024-04-12
Línea de financiación objetivo
El proyecto se financió a través de la siguiente ayuda:
ERC-2023-STG:
ERC STARTING GRANTS
Cerrada
hace 2 años
Presupuesto
El presupuesto total del proyecto asciende a
1M€
Líder del proyecto
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE...
No se ha especificado una descripción o un objeto social para esta compañía.
Perfil tecnológico
TRL
4-5
Perfil tecnológico
TRL
4-5