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In recent years, gene editing technologies, such as CRISPR-Cas9, have revolutionized plant breeding by enabling precise modifications in plant genomes, enhancing traits like yield, nutritional quality, disease resistance, and stress tolerance. However, the future of crop improvement extends beyond the conventional CRISPR system, incorporating a diverse array of innovative strategies such as next-generation genome editing tools based on transposon-associated RNA-guided nucleases (TnpB), CRISPR-mediated regulation of gene expression via CRISPR-activator (CRISPRa) and CRISPR-interference (CRISPRi), and CRISPR-mediated epigenome editing. By fully integrating these methods, it is possible to enhance traits associated with mitigating greenhouse gas emissions, improving nutrient-use efficiency, enabling biological nitrogen fixation, and increasing carbon dioxide capturing capacity in crops. These advancements contribute to the development of climate-resilient crops, addressing challenges posed by climate change to meet growing food demands and ensuring global food security.

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Beyond Gene Editing in the Plant Breeding Toolbox

  • 章节

  • 发表日期：

    2025年

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  • Jagannath Swain,
  • Kutubuddin A. Molla,
  • K. Jagadis Gupta,
  • K. C. Bansal

摘要

In recent years, gene editing technologies, such as CRISPR-Cas9, have revolutionized plant breeding by enabling precise modifications in plant genomes, enhancing traits like yield, nutritional quality, disease resistance, and stress tolerance. However, the future of crop improvement extends beyond the conventional CRISPR system, incorporating a diverse array of innovative strategies such as next-generation genome editing tools based on transposon-associated RNA-guided nucleases (TnpB), CRISPR-mediated regulation of gene expression via CRISPR-activator (CRISPRa) and CRISPR-interference (CRISPRi), and CRISPR-mediated epigenome editing. By fully integrating these methods, it is possible to enhance traits associated with mitigating greenhouse gas emissions, improving nutrient-use efficiency, enabling biological nitrogen fixation, and increasing carbon dioxide capturing capacity in crops. These advancements contribute to the development of climate-resilient crops, addressing challenges posed by climate change to meet growing food demands and ensuring global food security.