Perspectives on improving photosynthesis to increase crop yield

Roberta Croce*, Elizabete Carmo-Silva, Young B. Cho, Maria Ermakova, Jeremy Harbinson, Tracy Lawson, Alistair J McCormick, Krishna K. Niyogi, Donald R. Ort, Dhruv Patel-Tupper, Paolo Pesaresi, Christine Raines, Andreas P. M. Weber, Xin-Guang Zhu

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract / Description of output

Improving photosynthesis, the fundamental process by which plants convert light energy into chemical energy, is a key area of research with great potential for enhancing sustainable agricultural productivity and addressing global food security challenges. This perspective delves into the latest advancements and approaches aimed at optimizing photosynthetic efficiency. Our discussion encompasses the entire process, beginning with light harvesting and its regulation and progressing through the bottleneck of electron transfer. We then delve into the carbon reactions of photosynthesis, focusing on strategies targeting the enzymes of the Calvin-Benson Bassham (CBB) cycle. Additionally, we explore methods to increase CO2 concentration near the Rubisco, the enzyme responsible for the first step of CBB cycle, drawing inspiration from various photosynthetic organisms, and conclude this section by examining ways to enhance CO2 delivery into leaves. Moving beyond individual processes, we discuss two approaches to identifying key targets for photosynthesis improvement: systems modeling and the study of natural variation. Finally, we revisit some of the strategies mentioned above to provide a holistic view of the improvements, analyzing their impact on nitrogen use efficiency and on canopy photosynthesis.
Original languageEnglish
Article numberkoae132
Number of pages66
JournalThe Plant cell
Early online date3 May 2024
DOIs
Publication statusE-pub ahead of print - 3 May 2024

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