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Channelling auxin action: modulation of ion transport by indole-3-acetic acid

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Auxin Molecular Biology

Abstract

The growth hormone auxin is a key regulator of plant cell division and elongation. Since plants lack muscles, processes involved in growth and movements rely on turgor formation, and thus on the transport of solutes and water. Modern electrophysiological techniques and molecular genetics have shed new light on the regulation of plant ion transporters in response to auxin. Guard cells, hypocotyls and coleoptiles have advanced to major model systems in studying auxin action. This review will therefore focus on the molecular mechanism by which auxin modulates ion transport and cell expansion in these model cell types.

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  1. Department of Plant Molecular Physiology and Biophysics, Biocenter, Julius-von-Sachs-Institut for Biosciences, Julius-von-Sachs-Platz 2, 97082, Würzburg, Germany

    Dirk Becker & Rainer Hedrich

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  1. Dirk Becker
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Correspondence to Dirk Becker .

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Catherine Perrot-Rechenmann Gretchen Hagen

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Becker, D., Hedrich, R. (2002). Channelling auxin action: modulation of ion transport by indole-3-acetic acid. In: Perrot-Rechenmann, C., Hagen, G. (eds) Auxin Molecular Biology. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0377-3_7

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  • DOI: https://doi.org/10.1007/978-94-010-0377-3_7

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