Searching for molecular interactions that regulate photosynthetic electron flow at the level of cytochrome b6f using optical and paramagnetic resonance spectroscopy (Q84325)
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Project Q84325 in Poland
Language | Label | Description | Also known as |
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English | Searching for molecular interactions that regulate photosynthetic electron flow at the level of cytochrome b6f using optical and paramagnetic resonance spectroscopy |
Project Q84325 in Poland |
Statements
3,499,570.0 zloty
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3,499,570.0 zloty
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100.0 percent
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1 December 2018
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30 November 2021
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UNIWERSYTET JAGIELLOŃSKI
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Photosynthesis is a crucial energy conserving process supporting life on earth. In this process, accommodation of cyclic and linear electron flow (CET and LET, respectively) secures efficiency of reduction of CO2 into organic form. While molecular mechanisms of regulation between CET and LET remain largely unknown, cytochrome (cyt) b6f complex is considered to be a key point of it. We hypothesize that a newly discovered metastable radical intermediate of cyt b6f provides means for kinetic control to balance between LET and CET. From this perspective, we will seek to unravel structural basis and dynamics of interaction between cyt b6f and its plausible CET protein partners, define the sequence of electron transfer steps that engage cyt b6f into CET and describe thermodynamic basis for control of CET. This will provide fundamentals for understanding regulation of photosynthesis, as a step towards development of enhanced photosynthetic organisms to increase efficiency in plant production. (Polish)
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Photosynthesis is a crucial energy conserving process supporting life on earth. In this process, accommodation of cyclic and linear electron flow (CET and LET, respectively) secures efficiency of reduction of CO2 into organic form. While molecular mechanisms of regulation between CET and LET remain largely unknown, cytochrome (cyt) b6f complex is considered to be a key point of it. We hypothesise that a newly discovered metastable radical intermediate of cyt b6f provides means for kinetic control to balance between LET and CET. From this perspective, we will seek to unravel structural basis and dynamics of interaction between cyt b6f and its Plausible CET protein partners, define the sequence of electron transfer steps that engage cyt b6f into CET and describe thermodynamic basis for control of CET. This will provide fundamentals for understanding regulation of photosynthesis, as a step towards development of enhanced photosynthetic organisms to increase efficiency in plant production. (English)
14 October 2020
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La photosynthèse est un processus crucial de conservation de l’énergie qui soutient la vie sur terre. Dans ce processus, l’adaptation du flux électronique cyclique et linéaire (CET et LET, respectivement) assure l’efficacité de la réduction du CO2 sous forme organique. Bien que les mécanismes moléculaires de régulation entre CET et LET restent largement inconnus, le complexe du cytochrome (quote) b6f est considéré comme un point clé de celui-ci. Nous supposons qu’un intermédiaire radical métastable nouvellement découvert du cyt b6f fournit des moyens pour le contrôle cinétique de l’équilibre entre LET et CET. Dans cette perspective, nous chercherons à démêler la base structurelle et la dynamique de l’interaction entre le cyt b6f et ses partenaires protéiques CET plausibles, à définir la séquence des étapes de transfert d’électrons qui engagent le cyt b6f dans le CET et à décrire la base thermodynamique pour le contrôle de la CET. Cela fournira des éléments fondamentaux pour comprendre la régulation de la photosynthèse, en tant qu’étape vers le développement d’organismes photosynthétiques améliorés afin d’accroître l’efficacité de la production végétale. (French)
30 November 2021
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Identifiers
POIR.04.04.00-00-5B54/17
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