Molecular Plant-Microbe Interactions (2001) 14, 671-674

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Seogchan Kang, Marc Henri Lebrun, Leonard Farrall and Barbara Valent (2001)
Gain of virulence caused by insertion of a Pot3 transposon in a Magnaporthe grisea avirulence gene
Molecular Plant-Microbe Interactions 14 (5), 671-674
Abstract: 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.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Seogchan Kang

Research topic(s) for pests/diseases/weeds:
molecular biology - genes
resistance/tolerance/defence of host


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Pyricularia oryzae Rice (Oryza)