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Priming in Systemic Plant Immunity
Abstract
Plants possess inducible systemic defense responses when locally infected by pathogens. Bacterial infection results in the increased accumulation of the mobile metabolite azelaic acid, a nine-carbon dicarboxylic acid, in the vascular sap of Arabidopsis that confers local and systemic resistance against the pathogen Pseudomonas syringae . Azelaic acid primes plants to accumulate salicylic acid (SA), a known defense signal, upon infection. Mutation of the AZELAIC ACID INDUCED 1 (AZI1) gene, which is induced by azelaic acid, results in the specific loss of systemic immunity triggered by pathogen or azelaic acid and of the priming of SA induction in plants. Furthermore, the predicted secreted protein AZI1 is also important for generating vascular sap that confers disease resistance. Thus, azelaic acid and AZI1 are components of plant systemic immunity involved in priming defenses.
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Citations
Cited by
Wasternack, C., & Hause, B. (2013) · Annals of Botany · doi:10.1093/aob/mct067 · Cited by 2,629
Abiotic and biotic stress combinations
Suzuki, N., Rivero, R. M., Shulaev, V., Blumwald, E., & Mittler, R. (2014) · New Phytologist · doi:10.1111/nph.12797 · Cited by 2,153
Next-Generation Systemic Acquired Resistance
Luna, E., Bruce, T. J. A., Roberts, M. R., Flors, V., & Ton, J. (2012) · Plant Physiology · doi:10.1104/pp.111.187468 · Cited by 721
Salicylic Acid and its Function in Plant ImmunityF
An, C., & Mou, Z. (2011) · Journal of Integrative Plant Biology · doi:10.1111/j.1744-7909.2011.01043.x · Cited by 517
Indole is an essential herbivore-induced volatile priming signal in maize
Erb, M., Veyrat, N., Robert, C. A. M., Xu, H., Frey, M., Ton, J., & Turlings, T. C. J. (2015) · Nature Communications · doi:10.1038/ncomms7273 · Cited by 467
Metadata
- Authors
- Jung, H. W., Tschaplinski, T. J., Wang, L., Glazebrook, J., & Greenberg, J. T.
- Venue
- Science
- Published
- 2009-04-03
- Volume
- 324
- Issue
- 5923
- Pages
- 89-91
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2152002992
- Cited by
- 926
- References
- 0
- FWCI
- 52.52
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jung, H. W., Tschaplinski, T. J., Wang, L., Glazebrook, J., & Greenberg, J. T. (2009). Priming in Systemic Plant Immunity. Science. https://doi.org/10.1126/science.1170025
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