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Type: Journal article
Title: Potassium in the grape (Vitis vinifera L.) berry: transport and function
Author: Rogiers, S.
Coetzee, Z.
Walker, R.
Deloire, A.
Tyerman, S.
Citation: Frontiers in Plant Science, 2017; 8:1629-1-1629-19
Publisher: Frontiers Media SA
Issue Date: 2017
ISSN: 1664-462X
Statement of
Suzy Y. Rogiers, Zelmari A. Coetzee, Rob R. Walker, Alain Deloire and Stephen D. Tyerman
Abstract: K⁺ is the most abundant cation in the grape berry. Here we focus on the most recent information in the long distance transport and partitioning of K⁺ within the grapevine and postulate on the potential role of K⁺ in berry sugar accumulation, berry water relations, cellular growth, disease resistance, abiotic stress tolerance and mitigating senescence. By integrating information from several different plant systems we have been able to generate new hypotheses on the integral functions of this predominant cation and to improve our understanding of how these functions contribute to grape berry growth and ripening. Valuable contributions to the study of K⁺ in membrane stabilization, turgor maintenance and phloem transport have allowed us to propose a mechanistic model for the role of this cation in grape berry development.
Keywords: Potassium; grapevine; Vitis Vinifera; berry; fruit; ripening; phloem; xylem
Rights: Copyright © 2017 Rogiers, Coetzee, Walker, Deloire and Tyerman. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
DOI: 10.3389/fpls.2017.01629
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