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A G Protein-Coupled Receptor Is a Plasma Membrane Receptor for the Plant Hormone Abscisic Acid
Abstract
The plant hormone abscisic acid (ABA) regulates many physiological and developmental processes in plants. The mechanism of ABA perception at the cell surface is not understood. Here, we report that a G protein–coupled receptor genetically and physically interacts with the G protein α subunit GPA1 to mediate all known ABA responses in Arabidopsis . Overexpressing this receptor results in an ABA-hypersensitive phenotype. This receptor binds ABA with high affinity at physiological concentration with expected kinetics and stereospecificity. The binding of ABA to the receptor leads to the dissociation of the receptor-GPA1 complex in yeast. Our results demonstrate that this G protein–coupled receptor is a plasma membrane ABA receptor.
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Cited by
Molecular Aspects of Seed Dormancy
Finkelstein, R., Reeves, W., Ariizumi, T., & Steber, C. (2008) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.59.032607.092740 · Cited by 1,379
COLD1 Confers Chilling Tolerance in Rice
Ma, Y., Dai, X., Xu, Y., Luo, W., Zheng, X., Zeng, D., Pan, Y., Lin, X., Liu, H., Zhang, D., et al. (2015) · Cell · doi:10.1016/j.cell.2015.01.046 · Cited by 1,048
Molecular networks regulating Arabidopsis seed maturation, after‐ripening, dormancy and germination
Holdsworth, M. J., Bentsink, L., & Soppe, W. J. J. (2008) · New Phytologist · doi:10.1111/j.1469-8137.2008.02437.x · Cited by 964
Recent advances and emerging trends in plant hormone signalling
Santner, A., & Estelle, M. (2009) · Nature · doi:10.1038/nature08122 · Cited by 960
Zhu, S.-Y., Yu, X.-C., Wang, X.-J., Zhao, R., Li, Y., Fan, R.-C., Shang, Y., Du, S.-Y., Wang, X.-F., Wu, F.-Q., et al. (2007) · The Plant Cell · doi:10.1105/tpc.107.050666 · Cited by 632
Metadata
- Authors
- Liu, X., Yue, Y., Li, B., Nie, Y., Li, W., Wu, W.-H., & Ma, L.
- Venue
- Science
- Published
- 2007-03-23
- Volume
- 315
- Issue
- 5819
- Pages
- 1712-1716
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2000327096
- Cited by
- 376
- References
- 0
- FWCI
- 64.30
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, X., Yue, Y., Li, B., Nie, Y., Li, W., Wu, W.-H., & Ma, L. (2007). A G Protein-Coupled Receptor Is a Plasma Membrane Receptor for the Plant Hormone Abscisic Acid. Science. https://doi.org/10.1126/science.1135882
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