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Updated: Apr 12, 2026

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Crop yield: challenges from a metabolic perspective
Magdalena Rossi1, Luisa Bermudez2, Fernando Carrari2
1Departamento de Botânica-IB-USP, Rua do Matão, 277, 05508-090, São Paulo, SP, Brazil.
Abstract:
Considering the dual use of plants, as bio-factories for foods and feedstock for bio-refining, along with a rising world population, the plant biotechnology field is currently facing a dramatic challenge to develop crops with higher yield. Furthermore, convergent studies predict that global changes in climate will influence crop productivity by modifying most yield-associated traits. Here, we review recent advances in the understanding of plant metabolism directly or indirectly impacting on yield and provide an update of the different pathways proposed as targets for metabolic engineering aiming to optimize source-sink relationships.
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