Harvesting Far-Red Light with Plant Antenna Complexes Incorporating Chlorophyll .

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2021
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Abstract
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 and , with Chl . The results demonstrate that LHCII can bind Chl in a number of binding sites, shifting the maximum absorption ∼25 nm toward the red with respect to the wild-type complex (LHCII with Chl and ) 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.
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elias2021harvestingbiomacromolecules Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Elias, Eduard;Liguori, Nicoletta;Saga, Yoshitaka;Schäfers, Judith;Croce, Roberta;
Journal Biomacromolecules
Year 2021
DOI
10.1021/acs.biomac.1c00435
URL
Keywords
Mass spectrometry Proteomics glycoproteomics multi-omics glycobiology glycomics

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