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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.06.041
|2 doi
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|a pubmed25n0954.xml
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|a (PII)S0981-9428(18)30299-7
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|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 Léchaudel, Mathieu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Genotypic and environmental effects on the level of ascorbic acid, phenolic compounds and related gene expression during pineapple fruit development and ripening
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|c 2018
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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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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 30.10.2018
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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 Pineapple (Ananas comosus (L.) Merr.) is a non-climacteric tropical fruit whose ripening could be accompanied by oxidative processes and the concurrent activation of enzymatic and non-enzymatic reactive oxygen species (ROS) scavenging systems. To better understand the variability of these processes among climatic environments or genotypes in pineapple, the temporal expression dynamics for genes encoding oxidative and antioxidative stress enzymes were analyzed by real-time RT-PCR during fruit development and ripening, among three cultivars: Queen Victoria, Flhoran 41 and MD-2 hybrid, and in two climatic areas. Pineapple development and ripening involved changes in the levels of transcripts encoding for polyphenol oxidase and transcripts involved in the first steps of the phenylpropanoid pathway and in the balance of ROS, especially those encoding for ascorbate peroxydase and metallothioneins, regardless of the cultivar. Our results confirm the same dynamic in gene expression from the two environmental crop areas, however climatic conditions influenced the level of the expression of the major transcripts studied that were linked to these oxidative and antioxidant metabolisms. MT3a and MT3b transcripts were not influenced by genetic factor. The genetic effect was not significant on the various transcripts linked to the first steps of the phenylpropanoid pathway and to phenol oxidation, except 4CL ones. In ripe pineapple, highly significant relationships were found between the contents in antioxidant metabolites, i.e., ascorbic acid and total phenolic compounds, and the transcript levels of genes involved in the enzymatic ROS-scavenging system and in the biosynthesis or regeneration of ROS-scavenging compounds, like phenylpropanoids, ascorbic acid, metallothioneins
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|a Journal Article
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|a Antioxidant
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|a Cultivar
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|a Environment
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| 650 |
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4 |
|a Gene expression
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| 650 |
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4 |
|a Non-climacteric ripening
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| 650 |
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4 |
|a Pineapple
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| 650 |
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4 |
|a Reactive oxygen species
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| 650 |
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7 |
|a Phenols
|2 NLM
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| 650 |
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|a Reactive Oxygen Species
|2 NLM
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| 650 |
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7 |
|a Ascorbic Acid
|2 NLM
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| 650 |
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7 |
|a PQ6CK8PD0R
|2 NLM
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| 700 |
1 |
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|a Darnaudery, Marie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Joët, Thierry
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fournier, Patrick
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Joas, Jacques
|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 130(2018) vom: 05. Sept., Seite 127-138
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
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|g volume:130
|g year:2018
|g day:05
|g month:09
|g pages:127-138
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|u http://dx.doi.org/10.1016/j.plaphy.2018.06.041
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