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Research Abstracts Online
January 2008 - March 2009

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

PI: Fumiaki Katagiri, Associate Fellow

Elucidation of Plant Disease-resistance Mechanisms

This group is studying how plants defend themselves from pathogens. One important form of defense is inducible defense, i.e., the defense mechanisms are turned on upon recognition of pathogen attack. The researchers are focusing on resistance-gene-mediated disease resistance, which is usually strong and highly specific. Using Arabidopsis as a plant host and Pseudomonas syringae as its pathogen, the researchers investigate how plants recognize molecular signals of pathogen attack and how plants coordinate defense responses upon recognition. The project uses molecular biology, biochemistry, genetics, reverse genetics, genomics, expression profiling, proteomics, structural biology, and computational biology to gain insights into these topics. Understanding plants’ natural defense mechanisms will lead to plant disease control methods that are safer to humans and to the environment.

Group Members

Josh Baller, Undergraduate Student
Lisa Lenarz-Wyatt, Staff
Yiping Qi, Graduate Student
Masanao Sato, Research Associate
Kenichi Tsuda, Research Associate
Lin Wang, Graduate Student
Katie Wolf, Undergraduate Student