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240729s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108961
|2 doi
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|a pubmed24n1492.xml
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|a (DE-627)NLM375546073
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|a (NLM)39067102
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|a (PII)S0981-9428(24)00629-6
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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 Rys, Magdalena
|e verfasserin
|4 aut
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|a Does deacclimation reverse the changes in structural/physicochemical properties of the chloroplast membranes that are induced by cold acclimation in oilseed rape?
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|c 2024
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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 04.08.2024
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|a Date Revised 04.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved.
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|a Winter crops acquire frost tolerance during the process of cold acclimation when plants are exposed to low but non-freezing temperatures that is connected to specific metabolic adjustments. Warm breaks during/after cold acclimation disturb the natural process of acclimation, thereby decreasing frost tolerance and can even result in a resumption of growth. This phenomenon is called deacclimation. In the last few years, studies that are devoted to deacclimation have become more important (due to climate changes) and necessary to be able to understand the mechanisms that occur during this phenomenon. In the acclimation of plants to low temperatures, the importance of plant membranes is indisputable; that is why the main aim of our studies was to answer the question of whether (and to what extent) deacclimation alters the physicochemical properties of the plant membranes. The studies were focused on chloroplast membranes from non-acclimated, cold-acclimated and deacclimated cultivars of winter oilseed rape. The analysis of the membranes (formed from chloroplast lipid fractions) using the Langmuir technique revealed that cold acclimation increased membrane fluidity (expressed as the Alim values), while deacclimation generally decreased the values that were induced by cold. Moreover, because the chloroplast membranes were penetrated by lipophilic molecules such as carotenoids or tocopherols, the relationships between the structure of the lipids and the content of these antioxidants in the chloroplast membranes during the process of the cold acclimation and deacclimation of oilseed rape are discussed
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|a Journal Article
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|a Antioxidants
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|a Brassica napus L.
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| 650 |
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|a Carotenoids
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|a Cold acclimation
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| 650 |
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|a Langmuir technique
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|a Low temperature
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|a Tocopherols
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|a Carotenoids
|2 NLM
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| 650 |
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|a 36-88-4
|2 NLM
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| 700 |
1 |
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|a Stachurska, Julia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rudolphi-Szydło, Elżbieta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dziurka, Michał
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Waligórski, Piotr
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Filek, Maria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Janeczko, Anna
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 214(2024) vom: 25. Aug., Seite 108961
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:214
|g year:2024
|g day:25
|g month:08
|g pages:108961
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108961
|3 Volltext
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