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Light-induced H generation in a photosystem I-O-tolerant [FeFe] hydrogenase nanoconstruct.
Proc Natl Acad Sci U S A
August 2024
Department of Chemistry, The Pennsylvania State University, University Park, PA 16802.
The fusion of hydrogenases and photosynthetic reaction centers (RCs) has proven to be a promising strategy for the production of sustainable biofuels. Type I (iron-sulfur-containing) RCs, acting as photosensitizers, are capable of promoting electrons to a redox state that can be exploited by hydrogenases for the reduction of protons to dihydrogen (H). While both [FeFe] and [NiFe] hydrogenases have been used successfully, they tend to be limited due to either O sensitivity, binding specificity, or H production rates.
View Article and Find Full Text PDFA Clickable Photosystem I, Ferredoxin, and Ferredoxin NADP Reductase Fusion System for Light-Driven NADPH Regeneration.
Chembiochem
July 2023
Molecular Mechanisms of Photosynthesis Faculty of Biology and Biotechnology, Ruhr University Bochum, Universitätsstr. 150, 44801, Bochum, Germany.
Photosynthetic organisms like plants, algae, and cyanobacteria use light for the regeneration of dihydronicotinamide dinucleotide phosphate (NADPH). The process starts with the light-driven oxidation of water by photosystem II (PSII) and the released electrons are transferred via the cytochrome b f complex towards photosystem I (PSI). This membrane protein complex is responsible for the light-driven reduction of the soluble electron mediator ferredoxin (Fd), which passes the electrons to ferredoxin NADP reductase (FNR).
View Article and Find Full Text PDFHigh-throughput discovery of plastid genes causing albino phenotypes in ornamental chimeric plants.
Hortic Res
November 2022
Department of Agriculture, Forestry and Bioresources, Research Institute of Agriculture and Life Sciences, and Plant Genomics and Breeding Institute, College of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
Chimeric plants composed of green and albino tissues have great ornamental value. To unveil the functional genes responsible for albino phenotypes in chimeric plants, we inspected the complete plastid genomes (plastomes) in green and albino leaf tissues from 23 ornamental chimeric plants belonging to 20 species, including monocots, dicots, and gymnosperms. In nine chimeric plants, plastomes were identical between green and albino tissues.
View Article and Find Full Text PDFPhotosynthesis-related genes induce resistance against soybean mosaic virus: Evidence for involvement of the RNA silencing pathway.
Mol Plant Pathol
April 2022
Department of Agriculture Biotechnology, College of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea.
Increasing lines of evidence indicate that chloroplast-related genes are involved in plant-virus interactions. However, the involvement of photosynthesis-related genes in plant immunity is largely unexplored. Analysis of RNA-Seq data from the soybean cultivar L29, which carries the Rsv3 resistance gene, showed that several chloroplast-related genes were strongly induced in response to infection with an avirulent strain of soybean mosaic virus (SMV), G5H, but were weakly induced in response to a virulent strain, G7H.
View Article and Find Full Text PDFIn silico structural homology modelling of EST073 motif coding protein of tea Camellia sinensis (L).
J Genet Eng Biotechnol
July 2020
Department of Agricultural Biology, Faculty of Agriculture, University of Peradeniya, Peradeniya, 20400, Sri Lanka.
Background: Tea (Camellia sinensis (L). O. Kuntze) is known as the oldest, mild stimulating caffeine containing non-alcoholic beverage.
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