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Polar PIN Localization Directs Auxin Flow in Plants
Abstract
Polar flow of the phytohormone auxin requires plasma membrane‐associated PIN proteins and underlies multiple developmental processes in plants. Here we address the importance of the polarity of subcellular PIN localization for the directionality of auxin transport in Arabidopsis thaliana. Expression of different PINs in the root epidermis revealed the importance of PIN polar positions for directional auxin flow and root gravitropic growth. Interfering with sequence-embedded polarity signals directly demonstrates that PIN polarity is a primary factor in determining the direction of auxin flow in meristematic tissues. This finding provides a crucial piece in the puzzle of how auxin flow can be redirected via rapid changes in PIN polarity.
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Citations
Cited by
Signal integration in the control of shoot branching
Domagalska, M. A., & Leyser, O. (2011) · Nature Reviews Molecular Cell Biology · doi:10.1038/nrm3088 · Cited by 835
Control of leaf vascular patterning by polar auxin transport
Scarpella, E., Marcos, D., Friml, J., & Berleth, T. (2006) · Genes & Development · doi:10.1101/gad.1402406 · Cited by 799
Self-citationAntagonistic Regulation of PIN Phosphorylation by PP2A and PINOID Directs Auxin Flux
Michniewicz, M., Zago, M. K., Abas, L., Weijers, D., Schweighofer, A., Meskiene, I., Heisler, M. G., Ohno, C., Zhang, J., Huang, F., et al. (2007) · Cell · doi:10.1016/j.cell.2007.07.033 · Cited by 678
Self-citationShinohara, N., Taylor, C., & Leyser, O. (2013) · PLoS Biology · doi:10.1371/journal.pbio.1001474 · Cited by 438
Canalization of auxin flow by Aux/IAA-ARF-dependent feedback regulation of PIN polarity
Sauer, M., Balla, J., Luschnig, C., Wiśniewska, J., Reinöhl, V., Friml, J., & Benková, E. (2006) · Genes & Development · doi:10.1101/gad.390806 · Cited by 453
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Metadata
- Authors
- Wiśniewska, J., Xu, J., Seifertová, D., Brewer, P. B., Růžička, K., Blilou, I., Rouquié, D., Benková, E., Scheres, B., & Friml, J.
- Venue
- Science
- Published
- 2006-05-12
- Volume
- 312
- Issue
- 5775
- Pages
- 883-883
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2137231405
- Cited by
- 882
- References
- 0
- FWCI
- 56.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wiśniewska, J., Xu, J., Seifertová, D., Brewer, P. B., Růžička, K., Blilou, I., Rouquié, D., Benková, E., Scheres, B., & Friml, J. (2006). Polar PIN Localization Directs Auxin Flow in Plants. Science. https://doi.org/10.1126/science.1121356
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