C2 photosynthesis : a promising route towards crop improvement?

© 2020 The Author New Phytologist © 2020 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 228(2020), 6 vom: 01. Dez., Seite 1734-1740
1. Verfasser: Lundgren, Marjorie R (VerfasserIn)
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Review C2 photosynthesis C3-C4 intermediate bundle sheath cells carbon concentrating mechanism crop improvement food security glycine shuttle mehr... photorespiratory CO2 pump Carbon Dioxide 142M471B3J Carbon 7440-44-0
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520 |a C2 photosynthesis is a carbon concentrating mechanism that can increase net CO2 assimilation by capturing, concentrating and re-assimilating CO2 released by photorespiration. Empirical and modelling studies indicate that C2 plants assimilate more carbon than C3 plants under high temperature, bright light, and low CO2 conditions. I argue that engineering C2 photosynthesis into C3 crops is a promising approach to improve photosynthetic performance under these - and temporally heterogeneous - environments, and review the modifications that may re-create a C2 phenotype in C3 plants. Although a C2 engineering program would encounter many of the same challenges faced by C4 engineering programmes, the simpler leaf anatomical requirements make C2 engineering a feasible approach to improve crops in the medium term 
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