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Identification of Pseudomonas syringae pathogens of Arabidopsis and a bacterial locus determining avirulence on both Arabidopsis and soybean.
Open accessAbstract
To develop a model system for molecular genetic analysis of plant-pathogen interactions, we studied the interaction between Arabidopsis thaliana and the bacterial pathogen Pseudomonas syringae pv tomato (Pst). Pst strains were found to be virulent or avirulent on specific Arabidopsis ecotypes, and single ecotypes were resistant to some Pst strains and susceptible to others. In many plant-pathogen interactions, disease resistance is controlled by the simultaneous presence of single plant resistance genes and single pathogen avirulence genes. Therefore, we tested whether avirulence genes in Pst controlled induction of resistance in Arabidopsis. Cosmids that determine avirulence were isolated from Pst genomic libraries, and the Pst avirulence locus avrRpt2 was defined. This allowed us to construct pathogens that differed only by the presence or absence of a single putative avirulence gene. We found that Arabidopsis ecotype Col-0 was susceptible to Pst strain DC3000 but resistant to the same strain carrying avrRpt2, suggesting that a single locus in Col-0 determines resistance. As a first step toward genetically mapping the postulated resistance locus, an ecotype susceptible to infection by DC3000 carrying avrRpt2 was identified. The avrRpt2 locus from Pst was also moved into virulent strains of the soybean pathogen P. syringae pv glycinea to test whether this locus could determine avirulence on soybean. The resulting strains induced a resistant response in a cultivar-specific manner, suggesting that similar resistance mechanisms may function in Arabidopsis and soybean.
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Cited by
Floral dip: a simplified method forAgrobacterium‐mediated transformation ofArabidopsis thaliana
Clough, S. J., & Bent, A. F. (1998) · The Plant Journal · doi:10.1046/j.1365-313x.1998.00343.x · Cited by 21,934
Self-citationA Novel Signaling Pathway Controlling Induced Systemic Resistance in Arabidopsis
Pieterse, C. M. J., van Wees, S. C. M., van Pelt, J. A., Knoester, M., Laan, R., Gerrits, H., Weisbeek, P. J., & van Loon, L. C. (1998) · The Plant Cell · doi:10.1105/tpc.10.9.1571 · Cited by 1,207
Buell, C. R., Joardar, V., Lindeberg, M., Selengut, J., Paulsen, I. T., Gwinn, M. L., Dodson, R. J., Deboy, R. T., Durkin, A. S., Kolonay, J. F., et al. (2003) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1731982100 · Cited by 836
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Tian, D., Traw, M. B., Chen, J. Q., Kreitman, M., & Bergelson, J. (2003) · Nature · doi:10.1038/nature01588 · Cited by 788
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Xin, X.-F., Nomura, K., Aung, K., Velásquez, A. C., Yao, J., Boutrot, F., Chang, J. H., Zipfel, C., & He, S. Y. (2016) · Nature · doi:10.1038/nature20166 · Cited by 474
Metadata
- Authors
- Whalen, M. C., Innes, R. W., Bent, A. F., & Staskawicz, B. J.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 1991-01
- Volume
- 3
- Issue
- 1
- Pages
- 49-59
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2117807796
- Cited by
- 667
- References
- 0
- FWCI
- 25.89
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Whalen, M. C., Innes, R. W., Bent, A. F., & Staskawicz, B. J. (1991). Identification of Pseudomonas syringae pathogens of Arabidopsis and a bacterial locus determining avirulence on both Arabidopsis and soybean. The Plant Cell. https://doi.org/10.1105/tpc.3.1.49
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