Polar PIN localization directs auxin flow in plants

J. Wiśniewska, J. Xu, D. Seifertová, P. Brewer, K. Růžička, I. Blilou, D. Rouquié, E. Benková, B. Scheres, J. Friml, Science 312 (2006).

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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.
Publishing Year
Date Published
2006-05-12
Journal Title
Science
Volume
312
Issue
5775
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Wiśniewska J, Xu J, Seifertová D, et al. Polar PIN localization directs auxin flow in plants. Science. 2006;312(5775). doi:10.1126/science.1121356
Wiśniewska, J., Xu, J., Seifertová, D., Brewer, P., Růžička, K., Blilou, I., … Friml, J. (2006). Polar PIN localization directs auxin flow in plants. Science, 312(5775). https://doi.org/10.1126/science.1121356
Wiśniewska, Justyna, Jian Xu, Daniela Seifertová, Philip Brewer, Kamil Růžička, Ikram Blilou, David Rouquié, Eva Benková, Ben Scheres, and Jirí Friml. “Polar PIN Localization Directs Auxin Flow in Plants.” Science 312, no. 5775 (2006). https://doi.org/10.1126/science.1121356.
J. Wiśniewska et al., “Polar PIN localization directs auxin flow in plants,” Science, vol. 312, no. 5775, 2006.
Wiśniewska J, Xu J, Seifertová D, Brewer P, Růžička K, Blilou I, Rouquié D, Benková E, Scheres B, Friml J. 2006. Polar PIN localization directs auxin flow in plants. Science. 312(5775).
Wiśniewska, Justyna, et al. “Polar PIN Localization Directs Auxin Flow in Plants.” Science, vol. 312, no. 5775, American Association for the Advancement of Science, 2006, doi:10.1126/science.1121356.

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