Cell plate restricted association of DRP1A and PIN proteins is required for cell polarity establishment in arabidopsis

J. Mravec, J. Petrášek, N. Li, S. Boeren, R. Karlova, S. Kitakura, M. Pařezová, S. Naramoto, T. Nodzyński, P. Dhonukshe, S. Bednarek, E. Zažímalová, S. De Vries, J. Friml, Current Biology 21 (2011) 1055–1060.

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Abstract
The polarized transport of the phytohormone auxin [1], which is crucial for the regulation of different stages of plant development [2, 3], depends on the asymmetric plasma membrane distribution of the PIN-FORMED (PIN) auxin efflux carriers [4, 5]. The PIN polar localization results from clathrin-mediated endocytosis (CME) from the plasma membrane and subsequent polar recycling [6]. The Arabidopsis genome encodes two groups of dynamin-related proteins (DRPs) that show homology to mammalian dynamin - a protein required for fission of endocytic vesicles during CME [7, 8]. Here we show by coimmunoprecipitation (coIP), bimolecular fluorescence complementation (BiFC), and Förster resonance energy transfer (FRET) that members of the DRP1 group closely associate with PIN proteins at the cell plate. Localization and phenotypic analysis of novel drp1 mutants revealed a requirement for DRP1 function in correct PIN distribution and in auxin-mediated development. We propose that rapid and specific internalization of PIN proteins mediated by the DRP1 proteins and the associated CME machinery from the cell plate membranes during cytokinesis is an important mechanism for proper polar PIN positioning in interphase cells.
Publishing Year
Date Published
2011-06-21
Journal Title
Current Biology
Volume
21
Issue
12
Page
1055 - 1060
IST-REx-ID

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Mravec J, Petrášek J, Li N, et al. Cell plate restricted association of DRP1A and PIN proteins is required for cell polarity establishment in arabidopsis. Current Biology. 2011;21(12):1055-1060. doi:10.1016/j.cub.2011.05.018
Mravec, J., Petrášek, J., Li, N., Boeren, S., Karlova, R., Kitakura, S., … Friml, J. (2011). Cell plate restricted association of DRP1A and PIN proteins is required for cell polarity establishment in arabidopsis. Current Biology, 21(12), 1055–1060. https://doi.org/10.1016/j.cub.2011.05.018
Mravec, Jozef, Jan Petrášek, Na Li, Sjef Boeren, Rumyana Karlova, Saeko Kitakura, Markéta Pařezová, et al. “Cell Plate Restricted Association of DRP1A and PIN Proteins Is Required for Cell Polarity Establishment in Arabidopsis.” Current Biology 21, no. 12 (2011): 1055–60. https://doi.org/10.1016/j.cub.2011.05.018.
J. Mravec et al., “Cell plate restricted association of DRP1A and PIN proteins is required for cell polarity establishment in arabidopsis,” Current Biology, vol. 21, no. 12, pp. 1055–1060, 2011.
Mravec J, Petrášek J, Li N, Boeren S, Karlova R, Kitakura S, Pařezová M, Naramoto S, Nodzyński T, Dhonukshe P, Bednarek S, Zažímalová E, De Vries S, Friml J. 2011. Cell plate restricted association of DRP1A and PIN proteins is required for cell polarity establishment in arabidopsis. Current Biology. 21(12), 1055–1060.
Mravec, Jozef, et al. “Cell Plate Restricted Association of DRP1A and PIN Proteins Is Required for Cell Polarity Establishment in Arabidopsis.” Current Biology, vol. 21, no. 12, Cell Press, 2011, pp. 1055–60, doi:10.1016/j.cub.2011.05.018.

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