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231224s1984 xx |||||o 00| ||eng c |
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|a 10.1016/S0176-1617(84)80084-X
|2 doi
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|a pubmed24n0743.xml
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|a (DE-627)NLM223014966
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|a (NLM)23194878
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|a (PII)S0176-1617(84)80084-X
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|e rakwb
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|a eng
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|a Godbold, D L
|e verfasserin
|4 aut
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|a Accumulation of zinc and Organic Acids in Roots of Zinc Tolerant and Non-tolerant Ecotypes of Deschampsia caespitosa
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|c 1984
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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 03.12.2012
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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 PubMed-not-MEDLINE
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|a Copyright © 1984 Gustav Fischer Verlag, Stuttgart. Published by Elsevier GmbH.. All rights reserved.
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|a A much higher zinc level was necessary to inhibit root elongation in the zinc tolerant ecotype as compared to the non-tolerant ecotype of Deschampsia caespitosa. In the presence of a range of high levels of zinc, zinc accumulated to a much higher concentration in the roots of the tolerant ecotype, especially in the root sap. Accumulation of citrate in the root sap was highly correlated to the accumulation of zinc. Gel filtration chromatography of the root sap showed zinc to be mainly present as zinc-citrate. This was the only zinc complex found. The malate concentration of the root sap was much lower than the concentration of citrate. However the malate content of aqueous root homogenates was comparable or even greater than the content of citrate, suggesting that malate and citrate are located in different compartments within the cell. The results are consistent with a model of zinc tolerance in which zinc is complexed with citrate in the vacuole
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|a Journal Article
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|a Horst, W J
|e verfasserin
|4 aut
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|a Collins, J C
|e verfasserin
|4 aut
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|a Thurman, D A
|e verfasserin
|4 aut
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|a Marschner, H
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 116(1984), 1 vom: 29. Aug., Seite 59-69
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:116
|g year:1984
|g number:1
|g day:29
|g month:08
|g pages:59-69
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|u http://dx.doi.org/10.1016/S0176-1617(84)80084-X
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|d 116
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