ABP1 mediates auxin inhibition of clathrin-dependent endocytosis in Arabidopsis. Robert, S., Kleine-Vehn, J., Barbez, E., Sauer, M., Paciorek, T., Baster, P., Vanneste, S., Zhang, J., Simon, S., Čovanová, M., Hayashi, K., Dhonukshe, P., Yang, Z., Bednarek, S. Y., Jones, A. M., Luschnig, C., Aniento, F., Zažímalová, E., & Friml, J. Cell, 143(1):111–121, October, 2010. doi abstract bibtex Spatial distribution of the plant hormone auxin regulates multiple aspects of plant development. These self-regulating auxin gradients are established by the action of PIN auxin transporters, whose activity is regulated by their constitutive cycling between the plasma membrane and endosomes. Here, we show that auxin signaling by the auxin receptor AUXIN-BINDING PROTEIN 1 (ABP1) inhibits the clathrin-mediated internalization of PIN proteins. ABP1 acts as a positive factor in clathrin recruitment to the plasma membrane, thereby promoting endocytosis. Auxin binding to ABP1 interferes with this action and leads to the inhibition of clathrin-mediated endocytosis. Our study demonstrates that ABP1 mediates a nontranscriptional auxin signaling that regulates the evolutionarily conserved process of clathrin-mediated endocytosis and suggests that this signaling may be essential for the developmentally important feedback of auxin on its own transport.
@article{robert_abp1_2010,
title = {{ABP1} mediates auxin inhibition of clathrin-dependent endocytosis in {Arabidopsis}},
volume = {143},
issn = {1097-4172},
doi = {10/b86r8c},
abstract = {Spatial distribution of the plant hormone auxin regulates multiple aspects of plant development. These self-regulating auxin gradients are established by the action of PIN auxin transporters, whose activity is regulated by their constitutive cycling between the plasma membrane and endosomes. Here, we show that auxin signaling by the auxin receptor AUXIN-BINDING PROTEIN 1 (ABP1) inhibits the clathrin-mediated internalization of PIN proteins. ABP1 acts as a positive factor in clathrin recruitment to the plasma membrane, thereby promoting endocytosis. Auxin binding to ABP1 interferes with this action and leads to the inhibition of clathrin-mediated endocytosis. Our study demonstrates that ABP1 mediates a nontranscriptional auxin signaling that regulates the evolutionarily conserved process of clathrin-mediated endocytosis and suggests that this signaling may be essential for the developmentally important feedback of auxin on its own transport.},
language = {eng},
number = {1},
journal = {Cell},
author = {Robert, Stéphanie and Kleine-Vehn, Jürgen and Barbez, Elke and Sauer, Michael and Paciorek, Tomasz and Baster, Pawel and Vanneste, Steffen and Zhang, Jing and Simon, Sibu and Čovanová, Milada and Hayashi, Kenichiro and Dhonukshe, Pankaj and Yang, Zhenbiao and Bednarek, Sebastian Y. and Jones, Alan M. and Luschnig, Christian and Aniento, Fernando and Zažímalová, Eva and Friml, Jiří},
month = oct,
year = {2010},
pmid = {20887896},
pmcid = {PMC3503507},
keywords = {Arabidopsis, Arabidopsis Proteins, Cell Membrane, Clathrin, Endocytosis, Indoleacetic Acids, Membrane Transport Proteins, Plant Proteins, Receptors, Cell Surface},
pages = {111--121},
}
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