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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2020.06.037
|2 doi
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|a pubmed24n1044.xml
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|a (DE-627)NLM313469016
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|a (NLM)32771930
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|a (PII)S0981-9428(20)30318-1
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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 Xiong, Chaowei
|e verfasserin
|4 aut
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| 245 |
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|a Yellowhorn drought-induced transcription factor XsWRKY20 acts as a positive regulator in drought stress through ROS homeostasis and ABA signaling pathway
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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 16.12.2020
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|a Date Revised 16.12.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Masson SAS. All rights reserved.
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|a Yellowhorn (Xanthoceras sorbifolium) is a peculiar woody edible oil-bearing tree in China. WRKY transcription factors have specific roles in plant multiple abiotic stress responses. However, it is still not clear that the molecular mechanisms of WRKYs involve in drought tolerance in yellowhorn. In this study, we isolated a drought-induced group I WRKY gene from yellowhorn, designated as XsWRKY20. Expression of XsWRKY20 was strongly induced by PEG6000, NaCl, ABA and SA. Virus-induced gene silencing (VIGS) of XsWRKY20 reduced tolerance to drought stress in yellowhorn, as determined through physiological analyses of POD activity, SOD activity and proline content. This susceptibility was coupled with decreased expression of stress-related genes. In contrast, overexpression of XsWRKY20 in tobacco notably improved drought tolerance. Compared with the WT plants, the XsWRKY20-transgenic lines exhibited lower ROS and MDA content and higher antioxidant enzyme activity and proline content after drought treatment. Moreover, overexpression of XsWRKY20 enhanced the expression of several genes associated with encoding these antioxidant enzymes, proline biosynthesis and ABA signaling pathway. Taken together, XsWRKY20 functions as a positive regulator contributing to drought stress tolerance through either ROS homeostasis by antioxidant systems or ABA-dependent/independent gene expression pathway
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|a Journal Article
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|a ABA signaling Pathway
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|a Drought tolerance
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|a ROS homeostasis
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|a VIGS
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|a XsWRKY20 transcription factor
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|a Yellowhorn
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Reactive Oxygen Species
|2 NLM
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| 650 |
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|a Transcription Factors
|2 NLM
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| 650 |
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|a Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 700 |
1 |
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|a Zhao, Shang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Xue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, He
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ruan, Chengjiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jingbin
|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 155(2020) vom: 04. Okt., Seite 187-195
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:155
|g year:2020
|g day:04
|g month:10
|g pages:187-195
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|u http://dx.doi.org/10.1016/j.plaphy.2020.06.037
|3 Volltext
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|d 155
|j 2020
|b 04
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|h 187-195
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