Isolation of the Tomato Cf-9 Gene for Resistance to Cladosporium fulvum by Transposon Tagging
- 4 November 1994
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 266 (5186) , 789-793
- https://doi.org/10.1126/science.7973631
Abstract
The tomato Cf-9 gene confers resistance to infection by races of the fungus Cladosporium fulvum that carry the avirulence gene Avr9. The Cf-9 gene was isolated by transposon tagging with the maize transposable element Dissociation. The DNA sequence of Cf-9 encodes a putative membrane-anchored extracytoplasmic glycoprotein. The predicted protein shows homology to the receptor domain of several receptor-like protein kinases in Arabidopsis, to antifungal polygalacturonase-inhibiting proteins in plants, and to other members of the leucine-rich repeat family of proteins. This structure is consistent with that of a receptor that could bind Avr9 peptide and activate plant defense.Keywords
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