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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2017.02.021
|2 doi
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|a pubmed24n0898.xml
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|a (DE-627)NLM269594701
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|a (NLM)28268193
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|a (PII)S0981-9428(17)30071-2
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Georgieva, Katya
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Antioxidant defense during desiccation of the resurrection plant Haberlea rhodopensis
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| 264 |
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|c 2017
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| 336 |
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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 20.06.2017
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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 © 2017 Elsevier Masson SAS. All rights reserved.
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|a Maintaining a strong antioxidant system is essential for preventing drought-induced oxidative stress. Thus, in the present study we investigated the role of some non-enzymic and enzymic antioxidants in desiccation tolerance of Haberlea rhodopensis. The effects of high light upon desiccation on antioxidant capacity was estimated by comparing the response of shade and sun plants. The significant enhancement of the antioxidant capacity at 8% RWC corresponded to an enormous increase in flavonoid content. The important role of ascorbate-glutathione cycle in overcoming oxidative stress during drying of H. rhodopensis was established. The antioxidant capacity increased upon dehydration of both shade and sun plants but some differences in non-enzymatic and enzymatic antioxidants were observed. Investigations on the role of polyphenols in desiccation tolerance are scarce. In the present study the polyphenol profiles (fingerprints) of the resurrection plant Haberlea rhodopensis, including all components of the complex are obtained for the first time. It was clarified that the polyphenol complex of H. rhodopensis includes only two types of glycosides - phenylethanoid glucosides and hispidulin 8-C-glucosides. Upon desiccation the polyphenol content increase and the main role of phenylethanoid glucosides in the protection of H. rhodopensis was revealed
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|a Journal Article
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|a Antioxidant activity
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|a Ascorbate-glutathione cycle
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|a Desiccation tolerance
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|a Polyphenols
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|a Resurrection plants
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|a Antioxidants
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Polyphenols
|2 NLM
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|a Ascorbate Peroxidases
|2 NLM
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|a EC 1.11.1.11
|2 NLM
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| 650 |
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|a Glutathione Reductase
|2 NLM
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| 650 |
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|a EC 1.8.1.7
|2 NLM
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| 650 |
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|a Glutathione Transferase
|2 NLM
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| 650 |
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|a EC 2.5.1.18
|2 NLM
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| 650 |
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|a Glutathione
|2 NLM
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| 650 |
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|a GAN16C9B8O
|2 NLM
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|a Ascorbic Acid
|2 NLM
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| 650 |
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|a PQ6CK8PD0R
|2 NLM
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| 700 |
1 |
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|a Dagnon, Soleya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gesheva, Emiliya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bojilov, Dimitar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mihailova, Gergana
|e verfasserin
|4 aut
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| 700 |
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|a Doncheva, Snezhana
|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 114(2017) vom: 01. Mai, Seite 51-59
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:114
|g year:2017
|g day:01
|g month:05
|g pages:51-59
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|u http://dx.doi.org/10.1016/j.plaphy.2017.02.021
|3 Volltext
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|d 114
|j 2017
|b 01
|c 05
|h 51-59
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