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Electron Transport in Chloroplasts: Regulation and Alternative Pathways of Electron Transfer Biochemistry (Moscowстатья
- Автор: Tikhonov A.N.
- Журнал: Biochemistry (Moscow), Supplement Series A: Membrane and Cell Biology
- Том: 88
- Номер: 10
- Год издания: 2023
- Издательство: Pleiades Publishing, Ltd
- Местоположение издательства: Road Town, United Kingdom
- Первая страница: 1438
- Последняя страница: 1454
- DOI: 10.1134/S0006297923100036
- Аннотация: This work represents an overview of electron transport regulation in chloroplasts as considered in the context of structure-function organization of photosynthetic apparatus in plants. Main focus of the article is on bifurcated oxidation of plastoquinol by the cytochrome b6f complex, which represents the rate-limiting step of electron transfer between photosystems II and I. Electron transport along the chains of non-cyclic, cyclic, and pseudocyclic electron flow, their relationships to generation of the trans-thylakoid difference in electrochemical potentials of protons in chloroplasts, and pH-dependent mechanisms of regulation of the cytochrome b6f complex are considered. Redox reactions with participation of molecular oxygen and ascorbate, alternative mediators of electron transport in chloroplasts, have also been discussed.
- Добавил в систему: Тихонов Александр Николаевич