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AOBPreview published online on September 19, 2003
Annals of Botany, doi:10.1093/aob/mcg191
© 2003 by Annals of Botany Company
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Submitted on May 8, 2003
Revised on May 29, 2003
Accepted on August 11, 2003

Regulation of Potassium Transport in Leaves: from Molecular to Tissue Level

SERGEY SHABALA1*

Affiliation of the authors: 1 School of Agricultural Science, University of Tasmania, Private Bag 54, Hobart, Tasmania 7001, Australia

* To whom correspondence should be addressed. E-mail: Sergey.Shabala{at}utas.edu.au.

Over millions of years, plants have evolved a sophisticated network of K+ transport systems. This Botanical Briefing provides an overview of K+ transporters in various leaf tissues (epidermis, mesophyll, guard cells and vascular system) at both the cellular and organelle levels. Despite the tremendous progress in our knowledge of genes encoding K+ transport systems in plants, understanding has not developed of coordinated functioning and operation of these genes or proteins in the context of whole plant physiology and plant-environment interaction. This Botanical Briefing is aimed at filling that gap by analysing electrophysiological and molecular evidence for mechanisms coordinating K+ transport between various leaf cells and tissues in changing environments.
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