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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2018.01.008
|2 doi
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|a pubmed25n0937.xml
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|a (DE-627)NLM281294607
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|a (NLM)29471274
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|a (PII)S0176-1617(18)30020-8
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Amaral Dos Reis, Rafaela
|e verfasserin
|4 aut
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|a Accession-specific life strategies affect responses in leaves of Arabidopsis thaliana plants exposed to excess Cu and Cd
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|c 2018
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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 28.08.2018
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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 Copyright © 2018. Published by Elsevier GmbH.
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|a The natural accession Columbia (Col-0) is considered as the reference genome of the model plant Arabidopsis thaliana. Nonetheless, Col-0 plants are more sensitive to excess copper (Cu) and cadmium (Cd) than other widely used accessions such as Wassilewskija (Ws) plants. In the current study, this accession-specific metal sensitivity is further explored by comparing the responses in leaves of Col-0 and Ws plants exposed to excess Cu and Cd. Our results suggest that different life strategies favored by both accessions under physiological conditions affect their response to metal exposure. While Col-0 plants mainly invest in metal detoxification, Ws plants center on nutrient homeostasis. In particular, the higher expression of genes related to Cu homeostasis genes in non-exposed conditions indicates that Ws plants possess a constitutively efficient metal homeostasis. On the other hand, oxidative stress-related MAPK signaling appears to be boosted in leaves of Col-0 plants exposed to excess Cu. Furthermore, the upregulation of the glutathione (GSH) biosynthesis GSH2 gene and the increased GSH concentration after Cd exposure suggest the activation of detoxification mechanisms, such as phytochelatin production, to counteract the more severe Cd-induced oxidative stress in leaves of Col-0 plants. Exposure to Cd also led to a more pronounced ethylene signaling response in leaves of Col-0 as compared to Ws plants, which could be related to Cd-induced GSH metabolism. In conclusion, accession-specific life strategies clearly affect the way in which leaves of A. thaliana plants cope with excess Cu and Cd
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|a Journal Article
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|a Arabidopsis thaliana
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|a Cadmium
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|a Copper
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|a Leaves
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|a Natural accessions
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Cadmium
|2 NLM
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| 650 |
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7 |
|a 00BH33GNGH
|2 NLM
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| 650 |
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7 |
|a Copper
|2 NLM
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| 650 |
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7 |
|a 789U1901C5
|2 NLM
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| 700 |
1 |
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|a Keunen, Els
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mourato, Miguel Pedro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martins, Luísa Louro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vangronsveld, Jaco
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cuypers, Ann
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 223(2018) vom: 02. Apr., Seite 37-46
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnas
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| 773 |
1 |
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|g volume:223
|g year:2018
|g day:02
|g month:04
|g pages:37-46
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|u http://dx.doi.org/10.1016/j.jplph.2018.01.008
|3 Volltext
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