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240115s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108354
|2 doi
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|a pubmed24n1334.xml
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|a (DE-627)NLM367099713
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|a (NLM)38219425
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|a (PII)S0981-9428(24)00022-6
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Botticella, Ermelinda
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Mutations in starch biosynthesis genes affect chloroplast development in wheat pericarp
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|c 2024
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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
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|2 rdacarrier
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|a Date Completed 18.03.2024
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|a Date Revised 18.03.2024
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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 Starch bioengineering in cereals has produced a plethora of genotypes with new nutritional and technological functionalities. Modulation of amylose content from 0 to 100% was inversely correlated with starch digestibility and promoted a lower glycemic index in food products. In wheat, starch mutants have been reported to exhibit various side effects, mainly related to the seed phenotype. However, little is known about the impact of altered amylose content and starch structure on plant metabolism. Here, three bread wheat starch mutant lines with extreme phenotypes in starch branching and amylose content were used to study plant responses to starch structural changes. Omics profiling of gene expression and metabolic patterns supported changes, confirmed by ultrastructural analysis in the chloroplast of the immature seeds. In detail, the identification of differentially expressed genes belonging to functional categories related to photosynthesis, chloroplast and thylakoid (e.g. CURT1), the alteration in the accumulation of photosynthesis-related compounds, and the chloroplast alterations (aberrant shape, grana stacking alteration, and increased number of plastoglobules) suggested that the modification of starch structure greatly affects starch turnover in the chloroplast, triggering oxidative stress (ROS accumulation) and premature tissue senescence. In conclusion, this study highlighted a correlation between starch structure and chloroplast functionality in the wheat kernel
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|a Journal Article
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|a Chloroplast
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|a Seed omics
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|a Side effects
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| 650 |
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|a Starch mutants
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|a Wheat
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|a Amylose
|2 NLM
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|a 9005-82-7
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Starch
|2 NLM
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| 650 |
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|a 9005-25-8
|2 NLM
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| 700 |
1 |
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|a Testone, Giulio
|e verfasserin
|4 aut
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|a Buffagni, Valentina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Palombieri, Samuela
|e verfasserin
|4 aut
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|a Taddei, Anna Rita
|e verfasserin
|4 aut
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| 700 |
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|a Lafiandra, Domenico
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lucini, Luigi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Giannino, Donato
|e verfasserin
|4 aut
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| 700 |
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|a Sestili, Francesco
|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 207(2024) vom: 01. Feb., Seite 108354
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:207
|g year:2024
|g day:01
|g month:02
|g pages:108354
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108354
|3 Volltext
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