Harvesting Far-Red Light with Plant Antenna Complexes Incorporating Chlorophyll d
| Autor: | Judith Schäfers, Roberta Croce, Eduard Elias, Nicoletta Liguori, Yoshitaka Saga |
|---|---|
| Přispěvatelé: | Biophysics Photosynthesis/Energy, LaserLaB - Energy |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Chlorophyll
Polymers and Plastics Energy transfer Chlorophyll d fungi Photosynthetic Reaction Center Complex Proteins Absorption cross section Light-Harvesting Protein Complexes food and beverages Bioengineering Far-red Plants Article Biomaterials chemistry.chemical_compound Photosynthetic Complexes chemistry Energy Transfer Materials Chemistry Biophysics SDG 7 - Affordable and Clean Energy Antenna (radio) Absorption (electromagnetic radiation) |
| Zdroj: | Biomacromolecules Elias, E, Liguori, N, Saga, Y, Schäfers, J & Croce, R 2021, ' Harvesting Far-Red Light with Plant Antenna Complexes Incorporating Chlorophyll d ', Biomacromolecules, vol. 22, no. 8, pp. 3313-3322 . https://doi.org/10.1021/acs.biomac.1c00435 Biomacromolecules, 22(8), 3313-3322. American Chemical Society |
| ISSN: | 1526-4602 1525-7797 |
| DOI: | 10.1021/acs.biomac.1c00435 |
| Popis: | Increasing the absorption cross section of plants by introducing far-red absorbing chlorophylls (Chls) has been proposed as a strategy to boost crop yields. To make this strategy effective, these Chls should bind to the photosynthetic complexes without altering their functional architecture. To investigate if plant-specific antenna complexes can provide the protein scaffold to accommodate these Chls, we have reconstituted the main light-harvesting complex (LHC) of plants LHCII in vitro and in silico, with Chl d. The results demonstrate that LHCII can bind Chl d in a number of binding sites, shifting the maximum absorption μ25 nm toward the red with respect to the wild-type complex (LHCII with Chl a and b) while maintaining the native LHC architecture. Ultrafast spectroscopic measurements show that the complex is functional in light harvesting and excitation energy transfer. Overall, we here demonstrate that it is possible to obtain plant LHCs with enhanced far-red absorption and intact functional properties. |
| Databáze: | OpenAIRE |
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