PIN-driven auxin transport emerged early in streptophyte evolution

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Authors

SKOKAN R. MEDVECKÁ Eva VIAENE T. VOSOLSOBE S. ZWIEWKA Marta MULLER K. SKUPA P. KARADY M. ZHANG Y.Z. JANACEK D.P. HAMMES U.Z. LJUNG K. NODZYNSKI Tomasz PETRASEK J. FRIML J.

Year of publication 2019
Type Article in Periodical
Magazine / Source NATURE PLANTS
MU Faculty or unit

Central European Institute of Technology

Citation
Web http://dx.doi.org/10.1038/s41477-019-0542-5
Doi http://dx.doi.org/10.1038/s41477-019-0542-5
Keywords PROTEINS; ARABIDOPSIS; GRAVITROPISM
Description PIN-FORMED (PIN) transporters mediate directional, intercellular movement of the phytohormone auxin in land plants. To elucidate the evolutionary origins of this developmentally crucial mechanism, we analysed the single PIN homologue of a simple green alga Klebsormidium flaccidum. KfPIN functions as a plasma membrane-localized auxin exporter in land plants and heterologous models. While its role in algae remains unclear, PIN-driven auxin export is probably an ancient and conserved trait within streptophytes.
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