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Production of Substances by Medicago truncatula that Affect Bacterial Quorum Sensing
Abstract
Earlier work showed that higher plants produce unidentified compounds that specifically stimulate or inhibit quorum sensing (QS) regulated responses in bacteria. The ability of plants to produce substances that affect QS regulation may provide plants with important tools to manipulate gene expression and behavior in the bacteria they encounter. In order to examine the kinds of QS active substances produced by the model legume M. truncatula, young seedlings and seedling exudates were systematically extracted with various organic solvents, and the extracts were fractionated by reverse phase C 18 high-performance liquid chromatography. M. truncatula appears to produce at least 15 to 20 separable substances capable of specifically stimulating or inhibiting responses in QS reporter bacteria, primarily substances that affect QS regulation dependent on N-acyl homoserine lactone (AHL) signals. The secretion of AHL QS mimic activities by germinating seeds and seedlings was found to change substantially with developmental age. The secretion of some mimic activities may be dependent upon prior exposure of the plants to bacteria.
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Cited by
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Berendsen, R. L., Pieterse, C. M. J., & Bakker, P. A. H. M. (2012) · Trends in Plant Science · doi:10.1016/j.tplants.2012.04.001 · Cited by 5,347
THE ROLE OF ROOT EXUDATES IN RHIZOSPHERE INTERACTIONS WITH PLANTS AND OTHER ORGANISMS
Bais, H. P., Weir, T. L., Perry, L. G., Gilroy, S., & Vivanco, J. M. (2006) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.57.032905.105159 · Cited by 4,682
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Bulgarelli, D., Schlaeppi, K., Spaepen, S., van Themaat, E. V. L., & Schulze-Lefert, P. (2013) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-050312-120106 · Cited by 3,308
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Metadata
- Authors
- Gao, M., Teplitski, M., Robinson, J. B., & Bauer, W. D.
- Venue
- Molecular Plant-Microbe Interactions®
- Publisher
- Scientific Societies
- Published
- 2003-09
- Volume
- 16
- Issue
- 9
- Pages
- 827-834
- ISSN
- 0894-0282 (ISSN-L)
- 1943-7706
- OpenAlex
- W2043668977
- Cited by
- 354
- References
- 0
- FWCI
- 3.86
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gao, M., Teplitski, M., Robinson, J. B., & Bauer, W. D. (2003). Production of Substances by Medicago truncatula that Affect Bacterial Quorum Sensing. Molecular Plant-Microbe Interactions®. https://doi.org/10.1094/mpmi.2003.16.9.827
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