A distinct characteristic of auxin is its directional cell-to-cell transport, namely polar auxin transport (PAT), in which the PIN-FORMED (PIN) family proteins play an important role.

To do this, auxin is transported in the plant body polar, from the shoot through the plant body into the roots. In this process, a family of polar transport proteins distributes the auxin ...

These compounds reduce polar auxin transport in stem segments by blocking cellular auxin efflux, implying that they specifically interfere with the efflux carriers. The biological effects of ...

Emma Larsson, Folke Sitbon, Karin Ljung, Sara von Arnold, Inhibited Polar Auxin Transport Results in Aberrant Embryo Development in Norway Spruce, The New Phytologist, Vol. 177, No. 2 (2008), pp.

Auxin is the first plant hormone—or "phytohormone"—ever identified, with its discovery dating to the late 19th and early 20th centuries. With its discovery, scientists began to understand how ...