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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2017.04.008
|2 doi
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|a pubmed24n0905.xml
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|a (DE-627)NLM271676558
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|a (NLM)28482333
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|a (PII)S0176-1617(17)30104-9
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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 Yu, Haiyue
|e verfasserin
|4 aut
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|a Ethephon improved drought tolerance in maize seedlings by modulating cuticular wax biosynthesis and membrane stability
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|c 2017
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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 29.12.2017
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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 Elsevier GmbH. All rights reserved.
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|a Cuticular wax is the outermost thin hydrophobic layer covering the surface of aerial plant parts, which provides a primary waterproof barrier and protection against different environmental stresses. The aim of the present study was to investigate the role of ethephon, as an ethylene-releasing compound, in counteracting drought stress by modulating cuticular wax biosynthesis, water balance, and antioxidant regulation in maize seedlings. Our results showed that ethephon significantly increased the ethylene evolution rate, regulate the expression of cuticular wax synthesis regulatory gene ZmERE and the wax biosynthetic genes ZmGL1, ZmGL15, ZmFDH1, and ZmFAE1, and promote cuticular wax accumulation in maize seedlings under normal or drought stress conditions. Moreover, ethephon was shown to might markedly reduce water loss and chlorophyll leaching in leaves, and maintain higher relative water content and leaf water potential under drought stress. Ethephon significantly decreased malondialdehyde and hydrogen peroxide concentrations and electrolyte leakage, but increased the accumulation of proline and the activities of SOD, POD, and CAT. In addition, ethephon resulted in an increase in the ratio of root and shoot under drought stress. These results indicated that ethephon could improve maize performance under drought stress by modulating cuticular wax synthesis to maintain water status and membrane stability for plant growth
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|a Journal Article
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|a Antioxidant defense
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|a Cuticular wax
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|a Drought
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|a Ethephon
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|a Maize
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|a Antioxidants
|2 NLM
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| 650 |
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|a Organophosphorus Compounds
|2 NLM
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| 650 |
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|a ethephon
|2 NLM
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| 650 |
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|a XU5R5VQ87S
|2 NLM
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| 700 |
1 |
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|a Zhang, Yushi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yubin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Duan, Liusheng
|e verfasserin
|4 aut
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|a Zhang, Mingcai
|e verfasserin
|4 aut
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| 700 |
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|a Li, Zhaohu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 214(2017) vom: 01. Juli, Seite 123-133
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:214
|g year:2017
|g day:01
|g month:07
|g pages:123-133
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|u http://dx.doi.org/10.1016/j.jplph.2017.04.008
|3 Volltext
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