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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2015.06.002
|2 doi
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|a pubmed25n0833.xml
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|a (PII)S0981-9428(15)30031-0
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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 Xia, Fangshan
|e verfasserin
|4 aut
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|a Mitochondrial structural and antioxidant system responses to aging in oat (Avena sativa L.) seeds with different moisture contents
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|c 2015
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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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|a Date Completed 18.04.2016
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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 © 2015 Elsevier Masson SAS. All rights reserved.
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|a We observed the relationship between lifespan and mitochondria, including antioxidant systems, ultrastructure, and the hydrogen peroxide and malondialdehyde contents in 4 h imbibed oat (Avena sativa L.) seeds that were aged with different moisture contents (4%, 10% and 16%) for 0 (the control), 8, 16, 24, 32 and 40 d at 45 °C. The results showed that the decline in the oat seed vigor and in the integrity of the mitochondrial ultrastructure occurred during the aging process, and that these changes were enhanced by higher moisture contents. Mitochondrial antioxidants in imbibed oat seeds aged with a 4% moisture content were maintained at higher levels than imbibed oat seeds aged with a 10% and 16% moisture content. These results indicated that the levels of mitochondrial antioxidants and malondialdehyde after imbibition were related to the integrity of the mitochondrial membrane in aged oat seeds. The scavenging role of mitochondrial superoxide dismutase was inhibited in imbibed oat seeds aged at the early stage. Monodehydroascorbate reductase and dehydroascorbate reductase played more important roles than glutathione reductase in ascorbate regeneration in aged oat seeds during imbibition
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Antioxidant systems
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|a Mitochondrial structure
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|a Oat
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|a Seed aging
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|a Antioxidants
|2 NLM
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|a Wang, Xianguo
|e verfasserin
|4 aut
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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 94(2015) vom: 01. Sept., Seite 122-9
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:94
|g year:2015
|g day:01
|g month:09
|g pages:122-9
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|u http://dx.doi.org/10.1016/j.plaphy.2015.06.002
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