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Research Abstracts Online
January 2009 - March 2010

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University of Minnesota Twin Cities
College of Food, Agricultural, and Natural Resource Sciences
Department of Plant Pathology

PI: James M. Bradeen

Expanded Genomics Resources for Disease-resistant Potato Species

Genetic control of potato diseases can reduce grower and environmental costs. Wild potato species and other Solanum species are promising resistance gene sources. Complementing their phenotype and molecular analyses, these researchers are constructing linkage and physical maps of phylogenetically strategic Solanum species.  Additionally, they are generating a catalog of candidate disease resistance genes from the genus based on known gene architecture. Combining maps and resistance genes, these researchers are testing the hypothesis that genes of a common evolutionary origin occupy homologous genome locations across related species. The linkage and physical maps will also allow rapid isolation of important disease-resistance genes and make emerging potato and tomato genomics tools accessible for important Solanum species. The group has used the GCG, DNAStar, and JoinMap software packages available through the CGL. 

Group Members

Andra Clark, Graduate Student
Liangliang Gao, Graduate Student
Steven McKay, Graduate Student
Noah Rosenzweig, Research Associate