AtPIN4 mediates sink-driven auxin gradients and root patterning in Arabidopsis

J. Friml, E. Benková, I. Blilou, J. Wiśniewska, T. Hamann, K. Ljung, S. Woody, G. Sandberg, B. Scheres, G. Jürgens, K. Palme, Cell 108 (2002) 661–673.

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Abstract
In contrast to animals, little is known about pattern formation in plants. Physiological and genetic data suggest the involvement of the phytohormone auxin in this process. Here, we characterize a novel member of the PIN family of putative auxin efflux carriers, Arabidopsis PIN4, that is localized in developing and mature root meristems. Atpin4 mutants are defective in establishment and maintenance of endogenous auxin gradients, fail to canalize externally applied auxin, and display various patterning defects in both embryonic and seedling roots. We propose a role for AtPIN4 in generating a sink for auxin below the quiescent center of the root meristem that is essential for auxin distribution and patterning.
Publishing Year
Date Published
2002-03-08
Journal Title
Cell
Volume
108
Issue
5
Page
661 - 673
IST-REx-ID

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Friml J, Benková E, Blilou I, et al. AtPIN4 mediates sink-driven auxin gradients and root patterning in Arabidopsis. Cell. 2002;108(5):661-673. doi:10.1016/S0092-8674(02)00656-6
Friml, J., Benková, E., Blilou, I., Wiśniewska, J., Hamann, T., Ljung, K., … Palme, K. (2002). AtPIN4 mediates sink-driven auxin gradients and root patterning in Arabidopsis. Cell, 108(5), 661–673. https://doi.org/10.1016/S0092-8674(02)00656-6
Friml, Jirí, Eva Benková, Ikram Blilou, Justyna Wiśniewska, Thorsten Hamann, Karin Ljung, Scott Woody, et al. “AtPIN4 Mediates Sink-Driven Auxin Gradients and Root Patterning in Arabidopsis.” Cell 108, no. 5 (2002): 661–73. https://doi.org/10.1016/S0092-8674(02)00656-6.
J. Friml et al., “AtPIN4 mediates sink-driven auxin gradients and root patterning in Arabidopsis,” Cell, vol. 108, no. 5, pp. 661–673, 2002.
Friml J, Benková E, Blilou I, Wiśniewska J, Hamann T, Ljung K, Woody S, Sandberg G, Scheres B, Jürgens G, Palme K. 2002. AtPIN4 mediates sink-driven auxin gradients and root patterning in Arabidopsis. Cell. 108(5), 661–673.
Friml, Jirí, et al. “AtPIN4 Mediates Sink-Driven Auxin Gradients and Root Patterning in Arabidopsis.” Cell, vol. 108, no. 5, Cell Press, 2002, pp. 661–73, doi:10.1016/S0092-8674(02)00656-6.

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