Photorespiration and Improving Photosynthesis
Abstract
Improving photosynthesis has become a strategy to increase plant productivity. Current photosynthetic targets dealing with light and CO 2 capture will be briefly described and major breakthroughs dealing with photoprotection kinetics, CO 2-concentrating mechanisms, and ribulose-1,5-bisphosphate regeneration will be highlighted before focusing on photorespiration. This metabolic process Communicated by Francisco M. Cánovas M. Hodges (
Keywords
How to Improve Photosynthesis 2.1 The Light Reactions 2.2 Improving the Dark Reactions 3 On-going Strategies for Improving Photosynthesis: Light Capture
Photoprotection
CO 2 Concentrating Mechanisms
and RuBP Regeneration 3.1 Light Capture 3.2 Photoprotection 3.3 CO 2 Concentrating Mechanisms 3.4 RuBP Regeneration 4 Photorespiration 4.1 Why Is Photorespiration Bad for Photosynthesis and Crop Yield? 4.2 What Is Photorespiration? 4.3 Regulation of the Photorespiratory Cycle 4.4 Characterization of Photorespiratory Mutants 4.5 Over-Expression of Photorespiratory Cycle Enzymes 4.6 Photorespiratory Bypasses to Improve Photosynthesis and Plant Productivity 5 The Future: Alternative Theoretical and On-Going Photorespiratory Bypasses 6 Conclusions References
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