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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14667
|2 doi
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|a pubmed24n0910.xml
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|a (DE-627)NLM273217712
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|a (NLM)28643868
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Dreyer, Ingo
|e verfasserin
|4 aut
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| 245 |
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|a The potassium battery
|b a mobile energy source for transport processes in plant vascular tissues
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|c 2017
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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
|b cr
|2 rdacarrier
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|a Date Completed 31.07.2018
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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 © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Contents 1049 I. 1049 II. 1050 III. 1050 IV. 1050 V. 1051 VI. 1051 VII. 1052 VIII. 1052 1053 References 1053 SUMMARY: Plant roots absorb potassium ions from the soil and transport them in the xylem via the transpiration stream to the shoots. There, in source tissues where sufficient chemical energy (ATP) is available, K+ is loaded into the phloem and then transported with the phloem stream to other parts of the plant; in part, transport is also back to the roots. This, at first sight, futile cycling of K+ has been uncovered to be part of a sophisticated mechanism that (1) enables the shoot to communicate its nutrient demand to the root, (2) contributes to the K+ nutrition of transport phloem tissues and (3) transports energy stored in the K+ gradient between phloem cytosol and the apoplast. This potassium battery can be tapped by opening AKT2-like potassium channels and then enables the ATP-independent energization of other transport processes, such as the reloading of sucrose. Insights into these mechanisms have only been possible by combining wet-lab and dry-lab experiments by means of computational cell biology modeling and simulations
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|a Journal Article
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|a Review
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|a computational cell biology
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|a loading
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|a membrane transport
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|a phloem
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|a plant biophysics
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|a potassium
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|a review
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|a transporter network
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Potassium Channels
|2 NLM
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|a Sucrose
|2 NLM
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| 650 |
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|a 57-50-1
|2 NLM
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| 650 |
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|a Potassium
|2 NLM
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| 650 |
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|a RWP5GA015D
|2 NLM
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|a Gomez-Porras, Judith Lucia
|e verfasserin
|4 aut
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| 700 |
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|a Riedelsberger, Janin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 216(2017), 4 vom: 24. Dez., Seite 1049-1053
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:216
|g year:2017
|g number:4
|g day:24
|g month:12
|g pages:1049-1053
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|u http://dx.doi.org/10.1111/nph.14667
|3 Volltext
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