Title |
The Integration of Electrical Signals Originating in the Root of Vascular Plants
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Published in |
Frontiers in Plant Science, January 2018
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DOI | 10.3389/fpls.2017.02173 |
Pubmed ID | |
Authors |
Javier Canales, Carlos Henriquez-Valencia, Sebastian Brauchi |
Abstract |
Plants have developed different signaling systems allowing for the integration of environmental cues to coordinate molecular processes associated to both early development and the physiology of the adult plant. Research on systemic signaling in plants has traditionally focused on the role of phytohormones as long-distance signaling molecules, and more recently the importance of peptides and miRNAs in building up this communication process has also been described. However, it is well-known that plants have the ability to generate different types of long-range electrical signals in response to different stimuli such as light, temperature variations, wounding, salt stress, or gravitropic stimulation. Presently, it is unclear whether short or long-distance electrical communication in plants is linked to nutrient uptake. This review deals with aspects of sensory input in plant roots and the propagation of discrete signals to the plant body. We discuss the physiological role of electrical signaling in nutrient uptake and how nutrient variations may become an electrical signal propagating along the plant. |
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