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Status on Genetic Resistance to Rice Blast Disease in the Post-Genomic Era

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Publicado en:Plants vol. 14, no. 5 (2025), p. 807
Autor principal: Pedrozo, Rodrigo
Otros Autores: Osakina, Aron, Huang, Yixiao, Nicolli, Camila Primieri, Wang, Li, Jia, Yulin
Publicado:
MDPI AG
Materias:
China
Infections
Fungi
Marker-assisted selection
Pathogens
Disease resistance
Humidity
Genetic analysis
Plant breeding
Genetic modification
Genomics
CRISPR
Genes
Disease
Biology
Computer applications
Cultivars
Rice blast
Food security
Crop production
Genetic improvement
Gene sequencing
Genome editing
Cloning
Epidemics
Chromosomes
Sustainable agriculture
Software
Climate change
Enzymes
Acceso en línea:Citation/Abstract
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Resumen:Rice blast, caused by Magnaporthe oryzae, is a major threat to global rice production, necessitating the development of resistant cultivars through genetic improvement. Breakthroughs in rice genomics, including the complete genome sequencing of japonica and indica subspecies and the availability of various sequence-based molecular markers, have greatly advanced the genetic analysis of blast resistance. To date, approximately 122 blast-resistance genes have been identified, with 39 of these genes cloned and molecularly characterized. The application of these findings in marker-assisted selection (MAS) has significantly improved rice breeding, allowing for the efficient integration of multiple resistance genes into elite cultivars, enhancing both the durability and spectrum of resistance. Pangenomic studies, along with AI-driven tools like AlphaFold2, RoseTTAFold, and AlphaFold3, have further accelerated the identification and functional characterization of resistance genes, expediting the breeding process. Future rice blast disease management will depend on leveraging these advanced genomic and computational technologies. Emphasis should be placed on enhancing computational tools for the large-scale screening of resistance genes and utilizing gene editing technologies such as CRISPR-Cas9 for functional validation and targeted resistance enhancement and deployment. These approaches will be crucial for advancing rice blast resistance, ensuring food security, and promoting agricultural sustainability.
ISSN:2223-7747
DOI:10.3390/plants14050807
Fuente:Agriculture Science Database