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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2019.10.003
|2 doi
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|a pubmed24n1007.xml
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|a (DE-627)NLM302135022
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|a (NLM)31606716
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|a (PII)S0981-9428(19)30404-8
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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 Li, Qi
|e verfasserin
|4 aut
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| 245 |
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|a Tartary buckwheat transcription factor FtbZIP83 improves the drought/salt tolerance of Arabidopsis via an ABA-mediated pathway
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|c 2019
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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 20.02.2020
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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 © 2019 Elsevier Masson SAS. All rights reserved.
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|a Plants are subjected to a variety of abiotic stresses during their lifetime, and drought and salt stress are some of the main causes of reduced crop yields. Previous studies have shown that AREB/ABFs within bZIP transcription factors are involved in plant drought and salt stress responses in an ABA-dependent manner. However, the properties and functions of AREB/ABFs in Fagopyrum tataricum, a cereal with good resistance to abiotic stresses, are poorly understood. In this study, a gene encoding an AREB/ABF, designated FtbZIP83, was first isolated from Tartary buckwheat. Expression analysis in Tartary buckwheat indicated that FtbZIP83 was significantly induced by abscisic acid (ABA), NaCl and polyethylene glycol (PEG). The overexpression of FtbZIP83 in Arabidopsis resulted in increased drought/salt tolerance, which was attributed not only to higher proline (Pro) contents and antioxidant enzyme activity in transgenic lines compared with controls but also to the lower reactive oxygen species (ROS) accumulation and malondialdehyde (MDA) content. In addition, we found that FtbZIP83 was able to respond to drought and salt stress by upregulating the transcript abundance of downstream ABA-inducible gene. Furthermore, promoter sequence analysis showed that ABREs were present, and the activity of the FtbZIP83 promoter in transgenic Arabidopsis after drought stress was significantly higher than that under normal conditions. Based on the potential signalling pathways involved in AREB/ABFs, we also screened for the interaction protein FtSnRK2.6/2.3, which may phosphorylate FtbZIP83. Collectively, these results provide evidence that FtbZIP83, as a positive regulator, responds to drought/salt stress via an ABA-dependent signalling pathway composed of SnRK2-AREB/ABF
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|a Journal Article
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|a AREB/ABF
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|a Salt/drought stress
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|a Tartary buckwheat
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|a Transgenic Arabidopsis thaliana
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|a bZIP
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|a Plant Proteins
|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 Wu, Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Anhu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lv, Bingbing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Qixin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yao, Yingjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Qiong
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Haixia
|e verfasserin
|4 aut
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| 700 |
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|a Li, Chenglei
|e verfasserin
|4 aut
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|a Chen, Hui
|e verfasserin
|4 aut
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| 700 |
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|a Wang, XiaoLi
|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 144(2019) vom: 15. Nov., Seite 312-323
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:144
|g year:2019
|g day:15
|g month:11
|g pages:312-323
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|u http://dx.doi.org/10.1016/j.plaphy.2019.10.003
|3 Volltext
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|a AR
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|d 144
|j 2019
|b 15
|c 11
|h 312-323
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