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Increase in Salicylic Acid at the Onset of Systemic Acquired Resistance in Cucumber
Abstract
In an effort to identify the signal compound that mediates systemic acquired resistance (SAR), changes in the content of phloem sap were monitored in cucumber plants inoculated with either tobacco necrosis virus or the fungal pathogen Colletotrichum lagenarium . The concentration of a fluorescent metabolite was observed to increase transiently after inoculation, with a peak reached before SAR was detected. The compound was purified and identified by gas chromatography-mass spectrometry as salicylic acid, a known exogenous inducer of resistance. The data suggest that salicylic acid could function as the endogenous signal in the transmission of SAR in cucumber.
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Citations
Cited by
Durrant, W. E., & Dong, X. (2004) · Annual Review of Phytopathology · doi:10.1146/annurev.phyto.42.040803.140421 · Cited by 3,184
Salicylic acid, a multifaceted hormone to combat disease
Vlot, A. C., Dempsey, D. A., & Klessig, D. F. (2009) · Annual Review of Phytopathology · doi:10.1146/annurev.phyto.050908.135202 · Cited by 2,568
Microbial interactions and biocontrol in the rhizosphere
Whipps, J. M. (2001) · Journal of Experimental Botany · doi:10.1093/jexbot/52.suppl_1.487 · Cited by 1,934
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
Metadata
- Authors
- Métraux, J. P., Signer, H., Ryals, J., Ward, E., Wyss-Benz, M., Gaudin, J., Raschdorf, K., Schmid, E., Blum, W., & Inverardi, B.
- Venue
- Science
- Published
- 1990-11-16
- Volume
- 250
- Issue
- 4983
- Pages
- 1004-1006
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2021521164
- Cited by
- 997
- References
- 0
- FWCI
- 48.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Increase in Salicylic Acid at the Onset of Systemic Acquired Resistance in Cucumber. https://app.cochat.ai/papers/10.1126/science.250.4983.1004
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- Métraux, J. P., Signer, H., Ryals, J., Ward, E., Wyss-Benz, M., Gaudin, J., Raschdorf, K., Schmid, E., Blum, W., & Inverardi, B. (1990). Increase in Salicylic Acid at the Onset of Systemic Acquired Resistance in Cucumber. Science. https://doi.org/10.1126/science.250.4983.1004
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
