Quantitative Trait Loci Analysis of Powdery Mildew Disease Resistance in the Arabidopsis thaliana Accession Kashmir-1

Powdery mildew diseases are economically important diseases, caused by obligate biotrophic fungi of the Erysiphales. To understand the complex inheritance of resistance to the powdery mildew disease in the model plant Arabidopsis thaliana, quantitative trait loci analysis was performed using a set o...

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Bibliographic Details
Published in:Genetics (Austin) 2001-07, Vol.158 (3), p.1301-1309
Main Authors: Wilson, Iain W, Schiff, Celine L, Hughes, Douglas E, Somerville, Shauna C
Format: Article
Language:English
Subjects:
Arabidopsis - genetics
Arabidopsis - growth & development
Arabidopsis - microbiology
Arabidopsis - physiology
Arabidopsis thaliana
Ascomycota - pathogenicity
Base Sequence
chromosome III
Disease
DNA Primers
Erysiphales
Flowers & plants
Genetics
Phenotype
Quantitative Trait, Heritable
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Summary:Powdery mildew diseases are economically important diseases, caused by obligate biotrophic fungi of the Erysiphales. To understand the complex inheritance of resistance to the powdery mildew disease in the model plant Arabidopsis thaliana, quantitative trait loci analysis was performed using a set of recombinant inbred lines derived from a cross between the resistant accession Kashmir-1 and the susceptible accession Columbia glabrous1. We identified and mapped three independent powdery mildew quantitative disease resistance loci, which act additively to confer disease resistance. The locus with the strongest effect on resistance was mapped to a 500-kbp interval on chromosome III.
ISSN:0016-6731
1943-2631
1943-2631
DOI:10.1093/genetics/158.3.1301