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A Peptide Hormone and Its Receptor Protein Kinase Regulate Plant Cell Expansion
Open accessAbstract
Plant cells are immobile; thus, plant growth and development depend on cell expansion rather than cell migration. The molecular mechanism by which the plasma membrane initiates changes in the cell expansion rate remains elusive. We found that a secreted peptide, RALF (rapid alkalinization factor), suppresses cell elongation of the primary root by activating the cell surface receptor FERONIA in Arabidopsis thaliana . A direct peptide-receptor interaction is supported by specific binding of RALF to FERONIA and reduced binding and insensitivity to RALF-induced growth inhibition in feronia mutants. Phosphoproteome measurements demonstrate that the RALF-FERONIA interaction causes phosphorylation of plasma membrane H + –adenosine triphosphatase 2 at Ser 899 , mediating the inhibition of proton transport. The results reveal a molecular mechanism for RALF-induced extracellular alkalinization and a signaling pathway that regulates cell expansion.
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Cites
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Bacete, L., Mélida, H., Miedes, E., & Molina, A. (2018) · The Plant Journal · doi:10.1111/tpj.13807 · Cited by 659
Signaling mechanisms in abscisic acid-mediated stomatal closure
Hsu, P., Dubeaux, G., Takahashi, Y., & Schroeder, J. I. (2021) · The Plant Journal · doi:10.1111/tpj.15067 · Cited by 546
Diffuse Growth of Plant Cell Walls
Cosgrove, D. J. (2018) · Plant Physiology · doi:10.1104/pp.17.01541 · Cited by 348
Auxin steers root cell expansion via apoplastic pH regulation in Arabidopsis thaliana
Barbez, E., Dünser, K., Gaidora, A., Lendl, T., & Busch, W. (2017) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1613499114 · Cited by 341
Orchestrating rapid long‐distance signaling in plants with Ca2+, ROS and electrical signals
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Metadata
- Authors
- Haruta, M., Sabat, G., Stecker, K., Minkoff, B. B., & Sussman, M. R.
- Venue
- Science
- Published
- 2014-01-24
- Volume
- 343
- Issue
- 6169
- Pages
- 408-411
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1987019302
- Cited by
- 845
- References
- 1
- FWCI
- 63.79
- Type
- journal article
- Language
- en
- Open access
- green
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- Haruta, M., Sabat, G., Stecker, K., Minkoff, B. B., & Sussman, M. R. (2014). A Peptide Hormone and Its Receptor Protein Kinase Regulate Plant Cell Expansion. Science. https://doi.org/10.1126/science.1244454
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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.
