Review: The Next Steps in Crop Improvement: Adoption of Emerging Strategies to Identify Bottlenecks in Sugar Flux

Gabriel Beuchat, Xueyi Xue, Li Qing Chen

Research output: Contribution to journalReview articlepeer-review

Abstract

Sugar allocation in plants is the fundamental process that transports sugar from source to sink tissues and has a dramatic impact on crop yields. Controlling sugar allocation is required to increase crop yields, as well as biomass for biofuel production. Successful examples have demonstrated that genetic engineering of sugar partitioning offers a promising strategy to achieve this goal. However, improvement has thus far been limited by gaps in understanding of the underlying mechanisms controlling the allocation of sugars. The dynamics of sugar partitioning are minimally predictable under different conditions, between species, or in response to abiotic stresses. Here, we discuss four methodologies that have not been sufficiently exploited for the identification of bottlenecks in sugar flux. Furthermore, we suggest how these strategies can be used and combined to provide the insight needed to maximize crop yields or biomass, especially under conditions of environmental stress.

Original languageEnglish (US)
Article number110675
JournalPlant Science
Volume301
DOIs
StatePublished - Dec 2020

Keywords

  • Sugar flux
  • noninvasive imaging
  • plant modeling
  • single-cell RNA sequencing
  • single-cell proteomics
  • sink strength
  • source strength

ASJC Scopus subject areas

  • Genetics
  • Agronomy and Crop Science
  • Plant Science

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