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Distribution, Genetic Variation, and Evolution of the AVR-Pita3 Avirulence Gene in Magnaporthe oryzae Populations in Southwest China.

Plant disease - 1 Jun 2026

Luo Hengming, Luo Li, Feng Lin, Guo Zhixiang, He Chi, Shi Junyi, Li Jinbin

Abstract excerpt

The rapid variation of avirulence genes in Magnaporthe oryzae undermines the resistance function in rice varieties carrying cognate resistance genes. Monitoring the variation of these avirulence genes is crucial for deploying resistant rice cultivars in the field. AVR-Pita3 is known as a gene that lacks avirulent activity to rice carrying Pi-ta. However, its distribution, evolution, and avirulence function in M....

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PMID: 41772977
DOI: 10.1094/PDIS-09-25-1912-RE

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