PIN proteins perform a rate-limiting function in cellular auxin efflux
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Control of leaf vascular patterning by polar auxin transport
E. Scarpella, D. Marcos, J. Friml, T. Berleth, Genes and Development 20 (2006) 1015–1027.

Intracellular trafficking and proteolysis of the Arabidopsis auxin-efflux facilitator PIN2 are involved in root gravitropism
L. Abas, R. Benjamins, N. Malenica, T. Paciorek, J. Wibniewska, J. Moulinier Anzola, T. Sieberer, J. Friml, C. Luschnig, Nature Cell Biology 8 (2006) 249–256.

Endocytosis of cell surface material mediates cell plate formation during plant cytokinesis
P. Dhonukshe, F. Baluska, M. Schlicht, A. Hlavacka, J. Samaj, J. Friml, T. Gadella, Developmental Cell 10 (2006) 137–150.

Polar PIN localization directs auxin flow in plants
J. Wibniewska, J. Xu, D. Seifertová, P. Brewer, K. Rfeidka, I. Blilou, D. Rouquié, E. Benková, B. Scheres, J. Friml, Science 312 (2006).

Apical-basal polarity: Why plant cells don't stand on their heads
J. Friml, P. Benfey, E. Benková, M. Bennett, T. Berleth, N. Geldner, M. Grebe, M. Heisler, J. Hejátko, G. Jürgens, T. Laux, K. Lindsey, W. Lukowitz, C. Luschnig, R. Offringa, B. Scheres, R. Swarup, R. Torres Ruiz, D. Weijers, E. Zaeímalová, Trends in Plant Science 11 (2006) 12–14.

A molecular framework for plant regeneration
J. Xu, H. Hofhuis, R. Heidstra, M. Sauer, J. Friml, B. Scheres, Science 311 (2006) 385–388.

Auxin signaling
T. Paciorek, J. Friml, Journal of Cell Science 119 (2006) 1199–1202.

Canalization of auxin flow by Aux/IAA-ARF-dependent feedback regulation of PIN polarity
M. Sauer, J. Balla, C. Luschnig, J. Wibniewska, V. Reinöhl, J. Friml, E. Benková, Genes and Development 20 (2006) 2902–2911.

Spatiotemporal asymmetric auxin distribution: A means to coordinate plant development
H. Tanaka, P. Dhonukshe, P. Brewer, J. Friml, Cellular and Molecular Life Sciences 63 (2006) 2738–2754.