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241028s2025 xx |||||o 00| ||eng c |
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|a 10.1111/nph.20207
|2 doi
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|a pubmed25n1264.xml
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|a eng
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1 |
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|a Hmidi, Dorsaf
|e verfasserin
|4 aut
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| 245 |
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|a Potassium extrusion by plant cells
|b evolution from an emergency valve to a driver of long-distance transport
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|c 2025
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 05.12.2024
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|a Date Revised 13.12.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Author(s). New Phytologist © 2024 New Phytologist Foundation.
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|a The ability to accumulate nutrients is a hallmark for living creatures and plants evolved highly effective nutrient transport systems, especially for the uptake of potassium (K+). However, plants also developed mechanisms that enable the rapid extrusion of K+ in combination with anions. The combined release of K+ and anions is probably an ancient extrusion system, as it is found in the Characeae that are closely related to land plants. We postulate that the ion extrusion mechanisms have developed as an emergency valve, which enabled plant cells to rapidly reduce their turgor, and prevent them from bursting. Later in evolution, seed plants adapted this system for various responses, such as the closure of stomata, long-distance stress waves, dropping of leaves by pulvini, and loading of xylem vessels. We discuss the molecular nature of the transport proteins that are involved in ion extrusion-based functions of plants and describe the functions that they obtained during evolution
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|a Journal Article
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|a Review
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|a Characeae internode cell
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|a action potential
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|a guard cell
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|a ion extrusion
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|a phloem loading
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|a potassium
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|a stomata
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|a xylem loading
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|a Potassium
|2 NLM
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|2 NLM
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|a Muraya, Florence
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|4 aut
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|a Fizames, Cécile
|e verfasserin
|4 aut
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|a Véry, Anne-Aliénor
|e verfasserin
|4 aut
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|a Roelfsema, M Rob G
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 245(2025), 1 vom: 07. Jan., Seite 69-87
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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|g volume:245
|g year:2025
|g number:1
|g day:07
|g month:01
|g pages:69-87
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|u http://dx.doi.org/10.1111/nph.20207
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