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240108s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108308
|2 doi
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|a pubmed24n1302.xml
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|a (PII)S0981-9428(23)00819-7
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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 |
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|a Gupta, Ravi
|e verfasserin
|4 aut
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|a Integrated "-omics" analysis highlights the role of brassinosteroid signaling and antioxidant machinery underlying improved rice seed longevity during artificial aging treatment
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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 21.02.2024
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|a Date Revised 21.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a Seed longevity is a critical characteristic in agriculture, yet the specific genes/proteins responsible for this trait and the molecular mechanisms underlying reduced longevity during seed aging remain largely elusive. Here we report the comparative proteome and metabolome profiling of three rice cultivars exhibiting varying degrees of aging tolerance: Dharial, an aging-tolerant cultivar; Ilmi, an aging-sensitive cultivar; and A2, a moderately aging-tolerant cultivar developed from the crossbreeding of Dharial and Ilmi. Artificial aging treatment (AAT) markedly reduced the germination percentage and enhanced the activities of antioxidant enzymes in all the cultivars. Further, proteomics results showed a key role of the ubiquitin (Ub)-proteasome pathway in the degradation of damaged proteins during AAT while other proteases were majorly reduced. In addition, proteins associated with energy production and protein synthesis were strongly reduced in Ilmi while these were majorly increased in A2 and Dharial. These, along with metabolomics results, suggest that Ub-proteasome mediated protein degradation during AAT results in the accumulation of free amino acids in Ilmi while tolerant cultivars potentially utilize those for energy production and synthesis of stress-related proteins, especially hsp20/alpha-crystallin family protein. Additionally, both Dharial and A2 seem to activate brassinosteroid signaling and suppress jasmonate signaling which initiates a signaling cascade that allows accumulation of enzymatic and non-enzymatic antioxidants for efficient detoxification of aging-induced ROS. Taken together, these results provide an in-depth understanding of the aging-induced changes in rice seeds and highlight key pathways responsible for maintaining seed longevity during AAT
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|a Journal Article
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|a Aging
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|a Antioxidants
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|a Brassinosteroids
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| 650 |
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|a Heat shock proteins
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| 650 |
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4 |
|a Longevity
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|a Proteomics
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| 650 |
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|a ROS
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| 650 |
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4 |
|a Rice
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| 650 |
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4 |
|a Seeds
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| 650 |
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|a Antioxidants
|2 NLM
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| 650 |
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|a Brassinosteroids
|2 NLM
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| 650 |
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|a Proteasome Endopeptidase Complex
|2 NLM
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| 650 |
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|a EC 3.4.25.1
|2 NLM
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| 700 |
1 |
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|a Min, Cheol Woo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cho, Jun-Hyeon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jung, Ju-Young
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeon, Jong-Seong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Ye Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Jae Kwang
|e verfasserin
|4 aut
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| 700 |
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|a Kim, Sun Tae
|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 206(2024) vom: 21. Jan., Seite 108308
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:206
|g year:2024
|g day:21
|g month:01
|g pages:108308
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108308
|3 Volltext
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