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- Title
Allelic variation in rice blast resistance: a pathway to sustainable disease management.
- Authors
Younas, Muhammad Usama; Qasim, Muhammad; Ahmad, Irshad; Feng, Zhiming; Iqbal, Rashid; Abdelbacki, Ashraf M.M.; Rajput, Nimra; Jiang, Xiaohong; Rao, Bisma; Zuo, Shimin
- Abstract
Rice blast is a major problem in agriculture, affecting rice production and threatening food security worldwide. This disease, caused by the fungus Magnaporthe oryzae, has led to a lot of research since the discovery of the first resistance gene, pib, in 1999. Researchers have now identified more than 50 resistance genes on eight of the twelve chromosomes in rice, each targeting different strains of the pathogen.These genes are spread out across seventeen different loci. These genes, which primarily code for nucleotide-binding and leucine-rich repeat proteins, play an important part in the defense of rice against the pathogen, either alone or in combination with other genes. An important characteristic of these genes is the allelic or paralogous interactions that exist within these loci. These relationships contribute to the gene's increased capacity for evolutionary adaptation. The ability of resistance proteins to recognize and react to novel effectors is improved by the frequent occurrence of variations within the domains that are responsible for recognizing pathogen effectors. The purpose of this review is to summarize the progress that has been made in identifying these essential genes and to investigate the possibility of utilizing the allelic variants obtained from these genes in future rice breeding efforts to increase resistance to rice blast.
- Subjects
RICE blast disease; PYRICULARIA oryzae; RICE breeding; DISEASE management; FOOD security; RICE
- Publication
Molecular Biology Reports, 2024, Vol 51, Issue 1, p1
- ISSN
0301-4851
- Publication type
Academic Journal
- DOI
10.1007/s11033-024-09854-2