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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erab098
|2 doi
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|a pubmed24n1073.xml
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|a (DE-627)NLM322073936
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|a (NLM)33649770
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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 da Fonseca-Pereira, Paula
|e verfasserin
|4 aut
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|a Thioredoxin-mediated regulation of (photo)respiration and central metabolism
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|c 2021
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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 25.10.2021
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|a Date Revised 08.12.2021
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|a published: Print
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|a ErratumIn: J Exp Bot. 2022 Mar 2;73(5):1683. - PMID 34878538
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|a Citation Status MEDLINE
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|a © The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Thioredoxins (TRXs) are ubiquitous proteins engaged in the redox regulation of plant metabolism. Whilst the light-dependent TRX-mediated activation of Calvin-Benson cycle enzymes is well documented, the role of extraplastidial TRXs in the control of the mitochondrial (photo)respiratory metabolism has been revealed relatively recently. Mitochondrially located TRX o1 has been identified as a regulator of alternative oxidase, enzymes of, or associated with, the tricarboxylic acid (TCA) cycle, and the mitochondrial dihydrolipoamide dehydrogenase (mtLPD) involved in photorespiration, the TCA cycle, and the degradation of branched chain amino acids. TRXs are seemingly a major point of metabolic regulation responsible for activating photosynthesis and adjusting mitochondrial photorespiratory metabolism according to the prevailing cellular redox status. Furthermore, TRX-mediated (de)activation of TCA cycle enzymes contributes to explain the non-cyclic flux mode of operation of this cycle in illuminated leaves. Here we provide an overview on the decisive role of TRXs in the coordination of mitochondrial metabolism in the light and provide in silico evidence for other redox-regulated photorespiratory enzymes. We further discuss the consequences of mtLPD regulation beyond photorespiration and provide outstanding questions that should be addressed in future studies to improve our understanding of the role of TRXs in the regulation of central metabolism
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Metabolic control
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|a TCA cycle
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|a metabolic regulation
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|a mitochondrial thioredoxins
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|a photorespiration
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|a redox metabolism
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|a Thioredoxins
|2 NLM
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|a 52500-60-4
|2 NLM
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|a Souza, Paulo V L
|e verfasserin
|4 aut
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|a Fernie, Alisdair R
|e verfasserin
|4 aut
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|a Timm, Stefan
|e verfasserin
|4 aut
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|a Daloso, Danilo M
|e verfasserin
|4 aut
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|a Araújo, Wagner L
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 72(2021), 17 vom: 02. Sept., Seite 5987-6002
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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|g volume:72
|g year:2021
|g number:17
|g day:02
|g month:09
|g pages:5987-6002
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|u http://dx.doi.org/10.1093/jxb/erab098
|3 Volltext
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