Journal
MOLECULAR PLANT-MICROBE INTERACTIONS
Volume 14, Issue 5, Pages 671-674Publisher
AMER PHYTOPATHOLOGICAL SOC
DOI: 10.1094/MPMI.2001.14.5.671
Keywords
Pyricularia grisea; race variation
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The avirulence gene AVR-Pita in Magnaporthe grisea prevents the fungus from infecting rice cultivars carrying the disease resistance gene Pi-ta. Insertion of Pot3 transposon into the promoter of AVR-Pita caused the gain of virulence toward Yashiro-mochi, a rice cultivar containing Pi-ta, which demonstrated the ability of Pot3 to move within the M. grisea genome. The appearance of Pot3 in M. grisea seems to predate the diversification of various host-specific forms of the fungus.
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