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EVOLUTIONARY ECOLOGY OF THE TROPANE ALKALOIDS OF DATURA STRAMONIUM L. (SOLANACEAE)
Abstract
Although insect herbivory is frequently assumed to be responsible for the maintenance of plant secondary metabolites such as alkaloids, the assumption is controversial and experimental evidence for this assumption is sparse. We examined natural selection on the two major alkaloids present in the leaves of Datura stramonium and found that both alkaloids came under active selection. We found negative directional selection for scopolamine (natural selection acting to reduce scopolamine levels) and stabilizing selection for hyoscyamine (natural selection acting to maintain an intermediate level of hyoscyamine). We also present evidence that insect herbivores act as the agents of selection on these alkaloids. Finally, we show that there were no trade-offs in resistance to different species of insects.
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Citations
Cites
The measurement of selection on correlated characters
Lande, R., & Arnold, S. J. (1983) · Evolution · doi:10.1111/j.1558-5646.1983.tb00236.x · Cited by 5,437
Cited by
Nicotine's Defensive Function in Nature
Steppuhn, A., Gase, K., Krock, B., Halitschke, R., & Baldwin, I. T. (2004) · PLoS Biology · doi:10.1371/journal.pbio.0020217 · Cited by 498
Co-evolution and plant resistance to natural enemies
Rausher, M. D. (2001) · Nature · doi:10.1038/35081193 · Cited by 458
Analysis of alkaloids (indole alkaloids, isoquinoline alkaloids, tropane alkaloids)
Dey, P., Kundu, A., Kumar, A., Gupta, M., Lee, B. M., Bhakta, T., Dash, S., & Kim, H. S. (2020) · Recent Advances in Natural Products Analysis · doi:10.1016/b978-0-12-816455-6.00015-9 · Cited by 346
Thompson, J. D., Chalchat, J.-C., Michet, A., Linhart, Y. B., & Ehlers, B. (2003) · Journal of Chemical Ecology · doi:10.1023/a:1022927615442 · Cited by 291
Metadata
- Authors
- Shonle, I., & Bergelson, J.
- Venue
- Evolution
- Publisher
- Oxford University Press (OUP)
- Published
- 2000-06
- Volume
- 54
- Issue
- 3
- Pages
- 778-788
- ISSN
- 0014-3820 (ISSN-L)
- 1558-5646
- OpenAlex
- W2040340884
- Cited by
- 162
- References
- 1
- FWCI
- 9.27
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shonle, I., & Bergelson, J. (2000). EVOLUTIONARY ECOLOGY OF THE TROPANE ALKALOIDS OF DATURA STRAMONIUM L. (SOLANACEAE). Evolution. https://doi.org/10.1111/j.0014-3820.2000.tb00079.x
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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