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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2011.04.009
|2 doi
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|a pubmed24n0695.xml
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|a (DE-627)NLM208467483
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|a (NLM)21596576
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Inostroza-Blancheteau, Claudio
|e verfasserin
|4 aut
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|a Biochemical and molecular changes in response to aluminium-stress in highbush blueberry (Vaccinium corymbosum L.)
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|c 2011
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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 15.12.2011
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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 © 2011 Elsevier Masson SAS. All rights reserved.
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|a Aluminium (Al) stress is an important factor limiting crop yields in acid soils. Despite this, very little is known about the mechanisms of resistance to this stress in woody plants. To understand the mechanisms of Al-toxicity and response in blueberries, we compared the impact of Al-stress in Al-resistant and Al-sensitive genotypes using Vaccinium corymbosum L. (Ericaceae) as a plant model. We investigated the effect of Al-stress on the physiological performance, oxidative metabolism and expression of genes that encode antioxidant enzymes in two V. corymbosum cultivars maintained hydroponically with AlCl(3) (0 and 100 μM). Microscopic analyses of Al-treated root tips suggested a higher degree of Al-induced morphological injury in Bluegold (sensitive genotype) compared to Brigitta (resistant genotype). Furthermore, the results indicated that Brigitta had a greater ability to control oxidative stress under Al-toxicity, as reflected by enhancement of several antioxidative and physiological properties (radical scavenging activity: RSA, superoxide dismutase: SOD and catalase: CAT; maximum quantum yield: Fv/Fm, effective quantum yield: ФPSII, electron transport rate: ETR and non-photochemical quenching: NPQ). Finally, we analyzed the expression of genes homologous to GST and ALDH, which were identified in a global expression analysis. In the resistant genotype, the expression of these genes in response to Al-stress was greater in leaves than in roots
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Aluminum Compounds
|2 NLM
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|a Antioxidants
|2 NLM
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|a Astringents
|2 NLM
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|a Chlorides
|2 NLM
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Aluminum Chloride
|2 NLM
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| 650 |
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|a 3CYT62D3GA
|2 NLM
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| 650 |
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|a Aluminum
|2 NLM
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| 650 |
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7 |
|a CPD4NFA903
|2 NLM
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| 650 |
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|a Oxidoreductases
|2 NLM
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| 650 |
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|a EC 1.-
|2 NLM
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| 700 |
1 |
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|a Reyes-Díaz, Marjorie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Aquea, Felipe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nunes-Nesi, Adriano
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Alberdi, Miren
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Arce-Johnson, Patricio
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 49(2011), 9 vom: 15. Sept., Seite 1005-12
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:49
|g year:2011
|g number:9
|g day:15
|g month:09
|g pages:1005-12
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|u http://dx.doi.org/10.1016/j.plaphy.2011.04.009
|3 Volltext
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