Wheat is a crucial crop for global food security, and new breeding techniques face limitations due to low regeneration rates and a lack of transformable genotypes. We follow and adapt a robust Agrobacterium tumefaciens–mediated transformation system in spring commercial wheat varieties from Chile and Argentina grown in speed breeding conditions. By incorporating the developmental gene fusion GRF4-GIF1, we achieved successful regeneration of plantlets in different wheat varieties through CRISPR/Cas9-based gene editing. This advancement reduces genotype dependency, allowing broader use of genome-editing tools in commercial wheat varieties. In addition to delving into technical complexities, this contribution aims to advance fundamental understanding and practical applications in wheat genetics, serving as a valuable resource for researchers expanding their expertise.

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Agrobacterium-Mediated Transformation for Commercial Wheat Varieties

  • Francisca M. Castillo Castro,
  • Claudia Payacán Ortiz

摘要

Wheat is a crucial crop for global food security, and new breeding techniques face limitations due to low regeneration rates and a lack of transformable genotypes. We follow and adapt a robust Agrobacterium tumefaciens–mediated transformation system in spring commercial wheat varieties from Chile and Argentina grown in speed breeding conditions. By incorporating the developmental gene fusion GRF4-GIF1, we achieved successful regeneration of plantlets in different wheat varieties through CRISPR/Cas9-based gene editing. This advancement reduces genotype dependency, allowing broader use of genome-editing tools in commercial wheat varieties. In addition to delving into technical complexities, this contribution aims to advance fundamental understanding and practical applications in wheat genetics, serving as a valuable resource for researchers expanding their expertise.