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<p>Rice blast disease, caused by the fungus <i>Magnaporthe oryzae</i>, poses a significant threat to global rice production, impacting food security for a substantial portion of the world’s population. This review explores the advancements in understanding the molecular mechanisms of rice blast resistance and the integrative strategies for breeding rice cultivars with enhanced resistance. Key focus areas include the genomic plasticity of <i>M. oryzae</i>, the role of repeat elements in its rapid evolution, and the identification of specific resistance genes (<i>R</i> genes) in rice. The review highlights the use of next-generation sequencing, gene editing technologies like Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-associated protein 9 (CRISPR/Cas9), and marker-assisted selection in developing resistant rice varieties. Additionally, the paper discusses the balance between rice yield and resistance, the role of transcription factors, ubiquitin ligases, and other regulatory proteins in mediating resistance, and the challenges and future directions in rice blast disease management. Integrating traditional breeding techniques with modern molecular tools is essential for sustainable and effective control of rice blast disease. This review will offer significant scientific and technological assistance in ensuring food security on a global scale.</p>

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Integrated Approaches for Enhancing Magnaporthe oryzae Resistance: Mechanisms and Breeding Strategies

  • 期刊论文

  • 发表日期：

    2025年4月8日

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  • Muhammad Usama Younas,
  • Muhammad Qasim,
  • Irshad Ahmad,
  • Zhiming Feng,
  • Rashid Iqbal,
  • Tanweer Fatah Abro,
  • Shabir Ahmad,
  • Xiaohong Jiang,
  • Nimra Rajput,
  • Shimin Zuo

摘要

Rice blast disease, caused by the fungus Magnaporthe oryzae, poses a significant threat to global rice production, impacting food security for a substantial portion of the world’s population. This review explores the advancements in understanding the molecular mechanisms of rice blast resistance and the integrative strategies for breeding rice cultivars with enhanced resistance. Key focus areas include the genomic plasticity of M. oryzae, the role of repeat elements in its rapid evolution, and the identification of specific resistance genes (R genes) in rice. The review highlights the use of next-generation sequencing, gene editing technologies like Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-associated protein 9 (CRISPR/Cas9), and marker-assisted selection in developing resistant rice varieties. Additionally, the paper discusses the balance between rice yield and resistance, the role of transcription factors, ubiquitin ligases, and other regulatory proteins in mediating resistance, and the challenges and future directions in rice blast disease management. Integrating traditional breeding techniques with modern molecular tools is essential for sustainable and effective control of rice blast disease. This review will offer significant scientific and technological assistance in ensuring food security on a global scale.