Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 559775
Title The mechanisms contributing to photosynthetic control of electron transport by carbon assimilation in leaves
Author(s) Foyer, Christine; Furbank, Robert; Harbinson, Jeremy; Horton, Peter
Source Photosynthesis Research 25 (1990)2. - ISSN 0166-8595 - p. 83 - 100.
DOI https://doi.org/10.1007/BF00035457
Department(s) Agrotechnological Research Institute
Publication type Refereed Article in a scientific journal
Publication year 1990
Keyword(s) Benson-Calvin cycle metabolites - Chlorophyll fluorescence - Photosynthesis - Photosystem I - Photosystem II - Pi
Abstract

'Photosynthetic control' describes the processes that serve to modify chloroplast membrane reactions in order to co-ordinate the synthesis of ATP and NADPH with the rate at which these metabolites can be used in carbon metabolism. At low irradiance, optimisation of the use of excitation energy is required, while at high irradiance photosynthetic control serves to dissipate excess excitation energy when the potential rate of ATP and NADPH synthesis exceed demand. The balance between ΔpH, ATP synthesis and redox state adjusts supply to demand such that the [ATP]/[ADP] and [NADPH]/[NADP+] ratios are remarkably constant in steady-state conditions and modulation of electron transport occurs without extreme fluctuations in these pools.

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