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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2016.09.004
|2 doi
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|a eng
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1 |
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|a Shkolnik, Doron
|e verfasserin
|4 aut
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|a The Cholodny-Went theory does not explain hydrotropism
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|c 2016
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 17.04.2017
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.
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|a Optimization of water foraging by plants is partially achieved by the ability of roots to direct growth towards high water potential, a phenomenon termed hydrotropism. In contrast to gravitropism and phototropism, which require auxin redistribution, as suggested by the Cholodny-Went theory, hydrotropism is not mediated by the phytohormone auxin, which raises questions about the mechanism underlying this tropic response. Here we specify the open questions in this field of research and discuss the possible interactions of abscisic acid, calcium and reactive oxygen species as part of a dynamic system of sensing water potential in the root tip, transmission of the signal to the root elongation zone and promoting root curvature towards water. We conclude that root hydrotropism is mediated by inter-cellular signals that are not explained by the Cholodny-Went theory
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|a Journal Article
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|a Review
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|a Abscisic acid (ABA)
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|a Reactive oxygen species (ROS)
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|a Tropisms
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|a Water potential
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|a Plant Growth Regulators
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
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|a Fromm, Hillel
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 252(2016) vom: 01. Nov., Seite 400-403
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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|g volume:252
|g year:2016
|g day:01
|g month:11
|g pages:400-403
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|u http://dx.doi.org/10.1016/j.plantsci.2016.09.004
|3 Volltext
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