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Updated: May 15, 2025

Author Spotlight: Streamlining Rice Breeding with CRISPR/Cas for Obtaining Optimal Phenotypic and Agronomic Traits
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AlphaFold-Guided Bespoke Gene Editing Enhances Field-Grown Soybean Oil Contents.

Jie Wang1, Li Zhang2, Shoudong Wang3

  • 1College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou, 350002, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|May 14, 2025
PubMed
Summary

Researchers enhanced soybean oil and protein content using AlphaFold and gene editing. This approach created new beneficial gene variants, improving crop yield and quality without negative impacts.

Keywords:
AlphaFoldCRISPR–Cas9SWEET transportergene editingoil contentprecision breedingsoybean

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Area of Science:

  • Agricultural Science
  • Biotechnology
  • Molecular Biology

Background:

  • Soybean (Glycine max) is a crucial crop for global oil and protein supply.
  • Enhancing seed oil and protein content is a key breeding objective.
  • SWEET transporters play roles in seed development and composition.

Purpose of the Study:

  • To investigate the function of GmSWEET10a and GmSWEET10b in soybean.
  • To engineer novel GmSWEET10 variants with improved transport activity for enhanced seed composition.
  • To demonstrate the utility of AlphaFold-guided protein design combined with gene editing in crop improvement.

Main Methods:

  • Utilized AlphaFold for structural prediction of GmSWEET10 variants.
  • Employed gene editing techniques to modify GmSWEET10a and GmSWEET10b genes.
  • Conducted multi-year, multi-site field trials to assess the performance of engineered soybean lines.

Main Results:

  • AlphaFold analysis identified C-terminal variants of GmSWEET10a affecting sugar transport.
  • Gene editing improved GmSWEET10a functionality for increased oil content.
  • Engineered GmSWEET10b variants with altered sugar transport capabilities led to consistent increases in soybean oil or protein content without yield penalty.

Conclusions:

  • AlphaFold-guided protein design and gene editing can generate beneficial alleles for crop breeding.
  • This integrated approach offers a powerful strategy for optimizing crop traits like oil and protein content.
  • The engineered soybean lines show potential for commercial application in enhancing nutritional value and yield.