Plant defence responses: conservation between models and crops
Jonathan P. Anderson A , Louise F. Thatcher A B and Karam B. Singh A CA CSIRO Plant Industry, Centre for environment and life sciences, Private bag 5, Wembley, WA 6913, Australia.
B Soil Science and Plant Nutrition, School of Earth and Geographical Sciences, The University of Western Australia, Crawley, WA 6009, Australia.
C Corresponding author. Email: Karam.Singh@csiro.au
Functional Plant Biology 32(1) 21-34 https://doi.org/10.1071/FP04136
Submitted: 4 August 2004 Accepted: 19 September 2004 Published: 21 January 2005
Abstract
Diseases of plants are a major problem for agriculture world wide. Understanding the mechanisms employed by plants to defend themselves against pathogens may lead to novel strategies to enhance disease resistance in crop plants. Much of the research in this area has been conducted with Arabidopsis as a model system, and this review focuses on how relevant the knowledge generated from this model system will be for increasing resistance in crop plants. In addition, the progress made using other model plant species is discussed. While there appears to be substantial similarity between the defence responses of Arabidopsis and other plants, there are also areas where significant differences are evident. For this reason it is also necessary to increase our understanding of the specific aspects of the defence response that cannot be studied using Arabidopsis as a model.
Keywords: ethylene, jasmonate, pathogen, pathogenesis related genes, plant defense signalling pathways, plant disease, salicylic acid.
Acknowledgments
We thank Drs Peter Dodds and Kemal Kazan for helpful comments on the manuscript, and members of the Singh laboratory for useful discussions. We apologise for not being able to cite several important references because of length limitations. Work on plant defence in the authors’ laboratory is supported in part by the Grains Research and Development Corporation (GRDC) and the Department of Education, Science and Training (DEST).
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