Effect of photoinhibition on algal photosynthesis: a dynamic model |
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| Authors: | Han Bo-Ping; Virtanen Markku; Koponen Jorma; Straskraba Milan |
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| Institution: | 1 Environmental Impact Assessment Centre of Finland, Tekniikantie 21B, 02150, Espoo, Finland,
2 Institute of Hydrobiology, Jinan University, Guangzhou, 510632, Peoples Republic of China and
3 Biomathematical Laboratory, Academy of Sciences of the Czech Republic and Faculty of Biological Sciences, University of South Bohemia, Brani ovská 31, 37005  . Bud jovice, Czech Republic |
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| Abstract: | Recent evidence from algal physiology and molecular biologyconfirms that photoinhibition is directly related to D1 proteindamage and recovery, and D1 protein damage leads to a decreasein electron transfer or an increase in turnover time of theelectron transfer chain. In this study, the turnover time ofthe electron transfer chain is defined as a function of therelative concentration of D1 protein in reaction centre II andthe photoinhibition processes due to D1 protein degradationare incorporated into a model of photosynthesis, initiated byDubinsky et al. (Plant Cell Physiol., 27, 1335–1349, 1986)and developed by Sakshaug et al. (Limnol. Oceanogr., 34, 198–205,1989). D1 protein damage is assumed to be both light and D1protein concentration dependent, and to be proportional to thecross-section of PSII ( |
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