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Quantification of cyclic electron flow in spinach leaf discs

Kou, Jiancun; Takahashi, Shunichi; Oguchi, Riichi; Badger, Murray; Chow, Wah Soon


We quantified the photosynthetic cyclic electron flux (CEF) around Photosystem I as the difference between the total electron flux through PS I (ETR1) and the linear electron flux through both photosystems. Both measurements were made in the whole tissue of spinach leaf discs illuminated in the same geometry and in CO2-enriched air to suppress photorespiration. (1) CEF was negligibly small below 300 μmol photons m-2 s-1. Above this irradiance, CEF increased approximately linearly up to the...[Show more]

CollectionsANU Research Publications
Date published: 2012-07-01
Type: Conference paper
Source: Advanced Topics in Science and Technology in China: Photosynthesis Research for Food, Fuel and Future: Proceedings of the 15th International Conference on Photosynthesis


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