ArticleThe journal of physical chemistry letters2020
Recycling of Energy Dissipated as Heat Accounts for High Activity of Photosystem II.
Article in The journal of physical chemistry letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Comparative Insights into Photosynthetic, Biochemical, and Ultrastructural Mechanisms in Hibiscus and Pelargonium Plants.Plants (Basel, Switzerland) · 2024Article
- Development of artificial photosystems based on designed proteins for mechanistic insights into photosynthesis.Protein science : a publication of the Protein Society · 2024Review
- How much heat does non-photochemical quenching produce?Frontiers in plant science · 2024Article
- Thermal site energy fluctuations in photosystem I: new insights from MD/QM/MM calculations.Chemical science · 2023Article
- LHCII - a protein like a 'Swiss Army knife' with many mechanisms and functions.Photosynthetica · 2023Review
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Photosystem II (PSII) converts light into chemical energy powering almost all life on Earth. The primary photovoltaic reaction in the PSII reaction center requires energy corresponding to 680 nm, which is significantly higher than in the case of the low-energy states in the antenna complexes involved in the harvesting of excitations driving PSII. Here we show that despite seemingly insufficient energy, the low-energy excited states can power PSII because of the activity of the thermally driven up-conversion. We demonstrate the operation of this mechanism both in intact leaves and in isolated pigment-protein complex LHCII. A mechanism is proposed, according to which the effective utilization of thermal energy in the photosynthetic apparatus is possible owing to the formation of LHCII supramolecular structures, leading to the coupled energy levels corresponding to approximately 680 and 700 nm, capable of exchanging excitation energy through the spontaneous relaxation and the thermal up-conversion.
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Registered trials
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