Gain of virulence caused by insertion of a Pot3 transposon in a Magnaporthe grisea avirulence gene

被引：135

作者：

Kang, S ^{[1
]}

Lebrun, MH ^{[1
]}

Farrall, L ^{[1
]}

Valent, B ^{[1
]}

机构：

[1] DuPont Co Inc, Cent Res & Dev, Expt Stn, Wilmington, DE 19880 USA

来源：

MOLECULAR PLANT-MICROBE INTERACTIONS | 2001年 / 14卷 / 05期

关键词：

Pyricularia grisea; race variation;

D O I：

10.1094/MPMI.2001.14.5.671

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

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.

引用

页码：671 / 674

页数：4

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