Fine control of chlorophyll-carotenoid interactions defines the functionality of light-harvesting proteins in plants

Fine control of chlorophyll-carotenoid interactions defines the functionality of light-harvesting proteins in plants

Photosynthetic antenna proteins can be thought of as “programmed solvents”, which bind pigments at specific mutual orientations, thus tuning the overall energetic landscape and ensuring highly efficient light-harvesting. While positioning of chlorophyll cofactors is well understood and rationalized...

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Veröffentlicht in:Scientific reports 2017-10, Vol.7 (1), p.13956-10, Article 13956
Hauptverfasser: Balevičius, Vytautas, Fox, Kieran F., Bricker, William P., Jurinovich, Sandro, Prandi, Ingrid G., Mennucci, Benedetta, Duffy, Christopher D. P.
Format: Artikel
Sprache:eng
Schlagworte:
119/118
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Carotenoids
Carotenoids - metabolism
Chlorophyll
Chlorophyll - metabolism
Cofactors
Energy Transfer
Humanities and Social Sciences
Light-Harvesting Protein Complexes - chemistry
Light-Harvesting Protein Complexes - metabolism
Light-harvesting proteins
Molecular Dynamics Simulation
multidisciplinary
Photosynthesis
Pigments
Plants - enzymology
Plants - metabolism
Potential energy
Protein Conformation
Reaction centers
Science
Science (multidisciplinary)
solar (fuels), photosynthesis (natural and artificial), biofuels (including algae and biomass), bio-inspired, charge transport, membrane, synthesis (novel materials), synthesis (self-assembly)
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Zusammenfassung:Photosynthetic antenna proteins can be thought of as “programmed solvents”, which bind pigments at specific mutual orientations, thus tuning the overall energetic landscape and ensuring highly efficient light-harvesting. While positioning of chlorophyll cofactors is well understood and rationalized by the principle of an “energy funnel”, the carotenoids still pose many open questions. Particularly, their short excited state lifetime (
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-017-13720-6