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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2017.12.016
|2 doi
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|a pubmed24n0941.xml
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|a (DE-627)NLM282480366
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|a (NLM)29597068
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|a (PII)S0176-1617(17)30312-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Ren, Xiu-Xia
|e verfasserin
|4 aut
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| 245 |
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|a Proteomic analysis of tree peony (Paeonia ostii 'Feng Dan') seed germination affected by low temperature
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|c 2018
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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 20.09.2018
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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 © 2017. Published by Elsevier GmbH.
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|a Seed germination is a critical process that is influenced by various factors. In the present study, the effect of low temperature (4 °C) on tree peony seed germination was investigated. Compared to seeds maintained at 25 °C, germination was inhibited when seeds were kept at 4 °C. Furthermore, low-temperature exposure of seeds resulted in a delay in water uptake, starch degradation, and soluble sugar consumption and a subsequent increase in soluble protein levels. Two-dimensional gel electrophoresis (2-DE) proteomic analysis identified 100 protein spots. Comparative analysis indicated that low-temperature exposure apparently mainly affected glycolysis and the tricarboxylic acid (TCA) cycle, while also significantly affecting proteometabolism-related factors. Moreover, low-temperature exposure led to the induction of abscisic acid, whereas the gibberellin pathway was not affected. Further comparison of the two temperature conditions showed that low-temperature exposure delays carbohydrate metabolism, adenosine triphosphate (ATP) production, respiration, and proteolysis and increases defense response factors. To further examine the obtained proteomic findings, four genes were evaluated by quantitative polymerase chain reaction (qPCR). The obtained transcriptional results for the GAPC gene coincided with the translational results, thus further suggesting that the delay in glycolysis may play a key role in low-temperature-induced inhibition of seed germination. However, the other three genes examined, which included FPP synthase, PCNT115, and endochitinase, showed non-correlative transcriptional and translational profiles. Our results suggest that the exposure of tree peony seeds to low temperature results in a delay in the degradation of starch and other metabolites, which in turn affects glycolysis and some other processes, thereby ultimately inhibiting seed germination
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|a Journal Article
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|a Germination
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|a Glycolysis
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|a Low temperature
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|a Proteomics
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|a Starch degradation
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|a Tree peony
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Proteome
|2 NLM
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| 700 |
1 |
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|a Xue, Jing-Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Shun-Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xue, Yu-Qian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ping
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Hai-Dong
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Xiu-Xin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 224-225(2018) vom: 15. Mai, Seite 56-67
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:224-225
|g year:2018
|g day:15
|g month:05
|g pages:56-67
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|u http://dx.doi.org/10.1016/j.jplph.2017.12.016
|3 Volltext
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|d 224-225
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