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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2016.07.024
|2 doi
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|a pubmed24n0876.xml
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|a (NLM)27479784
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|a (PII)S0981-9428(16)30291-1
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|a eng
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|a Fourati, Emna
|e verfasserin
|4 aut
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|a Nickel tolerance, accumulation and subcellular distribution in the halophytes Sesuvium portulacastrum and Cakile maritima
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|c 2016
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 07.04.2017
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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 Masson SAS. All rights reserved.
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|a It has been shown that halophytes are able to successfully cope with heavy metal toxicity, suggesting their possible use for remediation of metal contaminated soils. In this work, Ni tolerance and accumulation in two halophytes, Sesuvium portulacastrum (L.) L. and Cakile maritima Scop. was investigated. Seedlings of both species were subjected hydroponically during 21 days to 0, 25, 50, and 100 μM of NiCl2. The growth and photosynthesis parameters revealed that S. portulacastrum tolerates Ni better than C. maritima. The photosynthesis activity, chlorophyll content and photosystem II integrity were less impacted in Ni-treated S. portulacastrum as compared to C. maritima, although, Ni accumulated in higher concentrations in the shoots of S. portulacastrum (1050 μg g-1 DW) than in those of C. maritima (550 μg g-1 DW). The subcellular fractionation of Ni in the shoots of both species showed that C. maritima accumulated about 65% of Ni in the soluble fraction, while 28% was associated with the cell walls. In S. portulacastrum 44% of the total cellular Ni was seen in the soluble fraction and 43% was bound to the cell walls. It can be concluded that S. portulacastrum tolerates Ni better than C. maritima, most probably due to a better ability to sequester Ni in the cell walls, restricting its accumulation in the soluble fraction
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|a Journal Article
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|a Cellular compartmentalization
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|a Ni-resistance
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|a Photosynthesis
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|a Phytoextraction
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|a Chlorophyll
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|a 1406-65-1
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|a Carotenoids
|2 NLM
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|a 36-88-4
|2 NLM
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|a Nickel
|2 NLM
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|a 7OV03QG267
|2 NLM
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|a Wali, Mariem
|e verfasserin
|4 aut
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|a Vogel-Mikuš, Katarina
|e verfasserin
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|a Abdelly, Chedly
|e verfasserin
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|a Ghnaya, Tahar
|e verfasserin
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 108(2016) vom: 17. Nov., Seite 295-303
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:108
|g year:2016
|g day:17
|g month:11
|g pages:295-303
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|u http://dx.doi.org/10.1016/j.plaphy.2016.07.024
|3 Volltext
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