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240506s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2024.112108
|2 doi
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|a pubmed24n1533.xml
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|a (DE-627)NLM37194158X
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|a (NLM)38705480
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|a (PII)S0168-9452(24)00135-3
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Soltabayeva, Aigerim
|e verfasserin
|4 aut
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|a Endogenous ureides are employed as a carbon source in Arabidopsis plants exposed to carbon starvation conditions
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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 19.05.2024
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|a Date Revised 13.09.2024
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|a published: Print-Electronic
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|a ErratumIn: Plant Sci. 2024 Sep 12:112257. doi: 10.1016/j.plantsci.2024.112257. - PMID 39271440
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a Ureides, the degraded products of purine catabolism in Arabidopsis, have been shown to act as antioxidant and nitrogen sources. Herein we elucidate purine degraded metabolites as a carbon source using the Arabidopsis Atxdh1, Ataln, and Ataah knockout (KO) mutants vis-à-vis wild-type (WT) plants. Plants were grown under short-day conditions on agar plates containing half-strength MS medium with or without 1% sucrose. Notably, the absence of sucrose led to diminished biomass accumulation in both shoot and root tissues of the Atxdh1, Ataln, and Ataah mutants, while no such effect was observed in WT plants. Moreover, the application of sucrose resulted in a reduction of purine degradation metabolite levels, specifically xanthine and allantoin, predominantly within the roots of WT plants. Remarkably, an increase in proteins associated with the purine degradation pathway was observed in WT plants in the presence of sucrose. Lower glyoxylate levels in the roots but not in the shoot of the Atxdh1 mutant in comparison to WT, were observed under sucrose limitation, and improved by sucrose application in root, indicating that purine degradation provided glyoxylate in the root. Furthermore, the deficit of purine-degraded metabolites in the roots of mutants subjected to carbon starvation was partially mitigated through allantoin application. Collectively, these findings signify that under conditions of sucrose limitation and short-day growth, purines are primarily remobilized within the root system to augment the availability of ureides, serving as an additional carbon (as well as nitrogen) source to support plant growth
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|a Journal Article
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|a Arabidopsis
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|a Carbon starvation
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|a Purine catabolism
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|a Sucrose application
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|a Ureides
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| 650 |
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|a Xanthine dehydrogenase
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| 700 |
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|a Kurmanbayeva, Assylay
|e verfasserin
|4 aut
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| 700 |
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|a Bekturova, Aizat
|e verfasserin
|4 aut
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| 700 |
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|a Oshanova, Dinara
|e verfasserin
|4 aut
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| 700 |
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|a Nurbekova, Zhadyrassyn
|e verfasserin
|4 aut
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| 700 |
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|a Srivastava, Sudhakar
|e verfasserin
|4 aut
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| 700 |
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|a Standing, Dominic
|e verfasserin
|4 aut
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|a Zdunek-Zastocka, Edyta
|e verfasserin
|4 aut
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|a Sagi, Moshe
|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 344(2024) vom: 09. Juli, Seite 112108
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
1 |
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|g volume:344
|g year:2024
|g day:09
|g month:07
|g pages:112108
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|u http://dx.doi.org/10.1016/j.plantsci.2024.112108
|3 Volltext
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