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Hormonal crosstalk for root development : a combined experimental and modeling perspective.

Liu, J. and Rowe, J. and Lindsey, K. (2014) 'Hormonal crosstalk for root development : a combined experimental and modeling perspective.', Frontiers in plant science., 5 . 00116.


Plants are sessile organisms and therefore they must adapt their growth and architecture to a changing environment. Understanding how hormones and genes interact to coordinate plant growth in a changing environment is a major challenge in developmental biology. Although a localized auxin concentration maximum in the root tip is important for root development, auxin concentration cannot change independently of multiple interacting hormones and genes. In this review, we discuss the experimental evidence showing that the POLARIS peptide of Arabidopsis plays an important role in hormonal crosstalk and root growth, and review the crosstalk between auxin and other hormones for root growth with and without osmotic stress. Moreover, we discuss that experimental evidence showing that, in root development, hormones and the associated regulatory and target genes form a network, in which relevant genes regulate hormone activities and hormones regulate gene expression. We further discuss how it is increasingly evident that mathematical modeling is a valuable tool for studying hormonal crosstalk. Therefore, a combined experimental and modeling study on hormonal crosstalk is important for elucidating the complexity of root development.

Item Type:Article
Keywords:Root development, POLARIS peptide, Hormonal crosstalk, Osmotic stress, Kinetic modeling.
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Publisher statement:Copyright © 2014 Liu, Rowe and Lindsey. 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.
Date accepted:No date available
Date deposited:15 May 2014
Date of first online publication:March 2014
Date first made open access:No date available

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