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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2021.111163
|2 doi
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|a pubmed24n1122.xml
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|a (DE-627)NLM336835736
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|a (NLM)35151448
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|a (PII)S0168-9452(21)00359-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Belmont, Raymundo
|e verfasserin
|4 aut
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|a Starch accumulation in bean fruit pericarp is mediated by the differentiation of chloroplasts into amyloplasts
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|c 2022
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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 15.02.2022
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|a Date Revised 15.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier B.V. All rights reserved.
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|a The sucrose supply to bean fruits remains almost constant during seed development, and the early stages of this process are characterized by a significant amount of starch and soluble sugars (glucose, fructose and sucrose) accumulated in the pericarp. Bean fruits are photosynthetically active; however, our results indicated that starch synthesis in the pericarp was largely dependent on the photosynthetic activity of the leaves. The photosynthetic activity and the amount of the Rubisco large subunit were gradually reduced in the fruit pericarp, and a large increase in the amount of the ADP-glucose pyrophosphorylase small subunit (AGPase SS) was observed. These changes suggested differentiation of chloroplasts into amyloplasts. Pericarp chloroplasts imported glucose 1-P to support starch synthesis, and their differentiation into amyloplasts allowed the surplus sucrose to be used in the synthesis of starch, which was later degraded to meet the needs of fast-growing seeds. Starch stored in the bean fruit pericarp was not degraded in response to drought stress, but it was rapidly used under severe nutrient restriction. Together, this work indicated that starch accumulation in the pericarp of bean fruits is important to adjust the needs of developing seeds to the amount of sucrose that is provided to fruits
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|a Journal Article
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|a Chloroplast differentiation
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|a Fruit photosynthetic activity
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|a Phaseolus vulgaris
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|a Starch synthesis
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|a Starch
|2 NLM
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|a 9005-25-8
|2 NLM
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| 650 |
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|a Glucose-1-Phosphate Adenylyltransferase
|2 NLM
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| 650 |
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|a EC 2.7.7.27
|2 NLM
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| 700 |
1 |
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|a Bernal, Lilia
|e verfasserin
|4 aut
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| 700 |
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|a Padilla-Chacón, Daniel
|e verfasserin
|4 aut
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| 700 |
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|a Coello, Patricia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martínez-Barajas, Eleazar
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 316(2022) vom: 01. März, Seite 111163
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
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|g volume:316
|g year:2022
|g day:01
|g month:03
|g pages:111163
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|u http://dx.doi.org/10.1016/j.plantsci.2021.111163
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