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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.03.017
|2 doi
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|a pubmed24n0940.xml
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|a DE-627
|b ger
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|e rakwb
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|a eng
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1 |
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|a Lattanzio, Vincenzo
|e verfasserin
|4 aut
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| 245 |
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|a Signal transduction in artichoke [Cynara cardunculus L. subsp. scolymus (L.) Hayek] callus and cell suspension cultures under nutritional stress
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 26.07.2018
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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 Copyright © 2018 Elsevier Masson SAS. All rights reserved.
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|a Stimulated production of secondary phenolic metabolites and proline was studied by using cell cultures of artichoke [Cynara cardunculus L. subsp. scolymus (L.) Hayek] submitted to nutritional stress. Artichoke cell cultures accumulated phenolic secondary metabolites in a pattern similar to that seen in artichoke leaves and heads (capitula). This paper shows that both callus and cell suspension cultures under nutritional stress accumulated phenolic compounds and proline, at the same time their biomass production was negatively affected by nutrient deficiency. The results obtained strongly suggest that plant tissues respond to nutrient deprivation by a defensive costly mechanism, which determines the establishment of a mechanism of trade-off between growth and adaptive response. Furthermore, the results of this research suggest that perception of abiotic stress and increased phenolic metabolites are linked by a sequence of biochemical processes that also involves the intracellular free proline and the oxidative pentose phosphate pathway. The main conclusion of this paper is that, once calli and cell suspension cultures respond to nutrient deficiency, in acclimated cells the establishment of a negative correlation between primary metabolism (growth) and secondary metabolism (defence compounds) is observed
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|a Journal Article
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|a Abiotic stress
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|a Caffeoylquinic acids
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|a Growth
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|a Proline
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|a Signal transduction pathway
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|a Trade-off
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|a Caretto, Sofia
|e verfasserin
|4 aut
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|a Linsalata, Vito
|e verfasserin
|4 aut
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|a Colella, Giovanni
|e verfasserin
|4 aut
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| 700 |
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|a Mita, Giovanni
|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 127(2018) vom: 22. Juni, Seite 97-103
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:127
|g year:2018
|g day:22
|g month:06
|g pages:97-103
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|u http://dx.doi.org/10.1016/j.plaphy.2018.03.017
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