Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Sci. STKE, 16 May 2006
Vol. 2006, Issue 335, p. tw165
[DOI: 10.1126/stke.3352006tw165]


PLANT BIOLOGY PINning Down Auxin Flow

The plant hormone auxin regulates a variety of growth and developmental responses and must be transported within the plant in an organized fashion. Petrásek et al. (see Brevia by Wisniewska and Perspective by Siberer and Leyser) now show, using inducible overexpression in plant cells and expression in human and yeast cells, that the protein PIN is responsible for the direction in which auxin flows out of the cell.

J. Petrásek, J. Mravec, R. Bouchard, J. J. Blakeslee, M. Abas, D. Seifertová, J. Wisniewska, Z. Tadele, M. Kubes, M. Covanová, P. Dhonukshe, P. Skupa, E. Benková, L. Perry, P. Krecek, O. R. Lee, G. R. Fink, M. Geisler, A. S. Murphy, C. Luschnig, E. Zazímalová, J. Friml, Pin proteins perform a rate-limiting function in cellular auxin efflux. Science 312, 914-918 (2006). [Abstract] [Full Text]

J. Wisniewska, J. Xu, D. Seifertová, P. B. Brewer, K. Ruzicka, I. Blilou, D. Rouquié, E. Benková, B. Scheres, J. Friml, Polar PIN localization directs auxin flow in plants. Science 312, 883 (2006). [Abstract] [Full Text]

T. Sieberer, O. Leyser, Auxin transport, but in which direction? Science 312, 858-860 (2006). [Summary] [Full Text]

Citation: PINning Down Auxin Flow. Sci. STKE 2006, tw165 (2006).

To Advertise     Find Products

Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882