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Keywords:

  • Biomass enhancement;
  • carbon metabolism;
  • chloroplast;
  • genetic engineering;
  • mitochondrion;
  • rubisco

Abstract

Reduction of flux through photorespiration has been viewed as a major way to improve crop carbon fixation and yield since the energy-consuming reactions associated with this pathway were discovered. This view has been supported by the biomasses increases observed in model species that expressed artificial bypass reactions to photorespiration. Here, we present an overview about the major current attempts to reduce photorespiratory losses in crop species and provide suggestions for future research priorities.