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Coordinate Gene Activity in Response to Agents That Induce Systemic Acquired Resistance.
Open accessAbstract
In a variety of plant species, the development of necrotic lesions in response to pathogen infection leads to induction of generalized disease resistance in uninfected tissues. A well-studied example of this "immunity" reaction is systemic acquired resistance (SAR) in tobacco. SAR is characterized by the development of a disease-resistant state in plants that have reacted hypersensitively to previous infection by tobacco mosaic virus. Here, we show that the onset of SAR correlates with the coordinate induction of nine classes of mRNAs. Salicylic acid, a candidate for the endogenous signal that activates the resistant state, induces expression of the same "SAR genes." A novel synthetic immunization compound, methyl-2,6-dichloroisonicotinic acid, also induces both resistance and SAR gene expression. These observations are consistent with the hypothesis that induced resistance results at least partially from coordinate expression of these SAR genes. A model is presented that ties pathogen-induced necrosis to the biosynthesis of salicylic acid and the induction of SAR.
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Citations
Cited by
Significance of Inducible Defense-related Proteins in Infected Plants
van Loon, L. C., Rep, M., & Pieterse, C. M. J. (2006) · Annual Review of Phytopathology · doi:10.1146/annurev.phyto.44.070505.143425 · Cited by 3,410
Durrant, W. E., & Dong, X. (2004) · Annual Review of Phytopathology · doi:10.1146/annurev.phyto.42.040803.140421 · Cited by 3,184
Secondary metabolites in plant defence mechanisms
BENNETT, R. N., & WALLSGROVE, R. M. (1994) · New Phytologist · doi:10.1111/j.1469-8137.1994.tb02968.x · Cited by 1,654
A 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
Systemic Acquired Resistance and Induced Systemic Resistance in Conventional Agriculture
Vallad, G. E., & Goodman, R. M. (2004) · Crop Science · doi:10.2135/cropsci2004.1920 · Cited by 819
Metadata
- Authors
- Ward, E. R., Uknes, S. J., Williams, S. C., Dincher, S. S., Wiederhold, D. L., Alexander, D. C., Ahl-Goy, P., Metraux, J. P., & Ryals, J. A.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 1991-10-01
- Volume
- 3
- Issue
- 10
- Pages
- 1085-1094
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2111796823
- Cited by
- 1,272
- References
- 0
- FWCI
- 61.37
- Type
- journal article
- Language
- en
- Open access
- green
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- Ward, E. R., Uknes, S. J., Williams, S. C., Dincher, S. S., Wiederhold, D. L., Alexander, D. C., Ahl-Goy, P., Metraux, J. P., & Ryals, J. A. (1991). Coordinate Gene Activity in Response to Agents That Induce Systemic Acquired Resistance. The Plant Cell. https://doi.org/10.1105/tpc.3.10.1085
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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