May
2001
, Volume
14
, Number
5
Pages
671
-
674
Authors
Seogchan
Kang
,
Marc Henri
Lebrun
,
Leonard
Farrall
,
and
Barbara
Valent
Affiliations
DuPont Central Research and Development, Experimental Station, Wilmington, DE 19880-0402, U.S.A.
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RelatedArticle
Accepted 10 January 2001.
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.
JnArticleKeywords
Additional keywords:
Pyricularia grisea
;
race variation.
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ArticleCopyright
© 2001 The American Phytopathological Society
