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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2020.03.054
|2 doi
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|a pubmed24n1035.xml
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|a (DE-627)NLM310548349
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|a (NLM)32474385
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|a (PII)S0981-9428(20)30167-4
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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 Cheng, Hang
|e verfasserin
|4 aut
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|a Transcriptomic analysis reveals the changes of energy production and AsA-GSH cycle in oat embryos during seed ageing
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|c 2020
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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 11.09.2020
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 The Authors. Published by Elsevier Masson SAS.. All rights reserved.
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|a Deterioration during seed storage generally causes seed vigour declining. However, the mechanism of deterioration occurred still not clear. Seeds and embryos of oat (Avena sativa L.) were selected to analyze the relation of physiological and metabolic reactions with DEGs by using RNA-seq. Oat seed vigour declined during seeds aged 0 day (CK), 16 days (CD16) and 32 days (CD32). The changes of MDA and H2O2 contents, antioxidant enzymes activities of APX, DHAR, MDHAR and GR related with AsA-GSH cycle in embryos illustrated that seed vigour declined to the minimum at CD32. Transcriptomic analysis showed a total of 11335 and 8274 DEGs were identified at CD16 and CD32 compared with CK respectively, of which 4070 were overlapped. When seed vigour declined to the moderate level (CD16), the accumulation of H2O2 caused by the inhibition of complex I in ETC could be alleviated with AsA-GSH cycle. RNA-seq and qRT-PCR results both showed alternative oxidase in alternate respiratory pathway was upregulated which would maintain seed respiration. However, as seed vigour was at the lowest level (CD32), blocked ETC caused by down-regulation of complex III, including Ubiquinol-cytochrome C reductase complex 14kD subunit and Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like, were more seriously and H2O2 scavenging was limited by the inactive AsA-GSH cycle. It could be suggested that the function of AsA-GSH would play a key role for regulating the physiological responses of ETC in embryos during seed ageing. These results would provide an insight into embryo for the transcriptomic information during oat seed ageing
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|a Journal Article
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|a AsA-GSH
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|a Differently expressed gene
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|a Electron transport chain
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|a Seed vigour
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|a Transcriptom
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|a Antioxidants
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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|a Glutathione
|2 NLM
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|a GAN16C9B8O
|2 NLM
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|a Ascorbic Acid
|2 NLM
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|a PQ6CK8PD0R
|2 NLM
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| 700 |
1 |
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|a Ma, Xiqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jia, Shangang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Manli
|e verfasserin
|4 aut
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| 700 |
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|a Mao, Peisheng
|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 153(2020) vom: 30. Aug., Seite 40-52
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:153
|g year:2020
|g day:30
|g month:08
|g pages:40-52
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|u http://dx.doi.org/10.1016/j.plaphy.2020.03.054
|3 Volltext
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