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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2021.01.004
|2 doi
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|a pubmed24n1067.xml
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|a (DE-627)NLM32017316X
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|a (NLM)33454635
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|a (PII)S0981-9428(21)00006-1
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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 Mei, Fangming
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Overexpression of the wheat NAC transcription factor TaSNAC4-3A gene confers drought tolerance in transgenic Arabidopsis
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|c 2021
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| 336 |
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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 02.03.2021
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|a Date Revised 02.03.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2021 Elsevier Masson SAS. All rights reserved.
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|a NAC transcription factors (TFs) play critical roles in plant abiotic stress responses. However, information on the roles of NAC TFs is limited in wheat (Triticum aestivum L.). In this study, we isolated three wheat TaSNAC4 homeologous genes, TaSNAC4-3A, TaSNAC4-3B, and TaSNAC4-3D, and characterized the function of TaSNAC4-3A in plant drought tolerance. TaSNAC4 is highly expressed in seedling leaves, and expression is induced by various abiotic stresses. Transient expression and transactivation assays showed that TaSNAC4-3A is localized to the nucleus, and the C-terminal region has transcriptional activation activity. Overexpression of TaSNAC4-3A in Arabidopsis led to stimulated germination and root growth when exposed to salt and osmotic stresses, and drought stress tolerance was significantly increased in the TaSNAC4-3A transgenic lines. When compared to the control plants, the transgenic lines overexpressing TaSNAC4-3A exhibited reduced stomatal aperture size under drought stress, and therefore had lower water loss rates. In addition, the overexpression of TaSNAC4-3A led to abscisic acid (ABA) hypersensitivity at the root elongation and seed germination stages. Further transcriptomic analysis demonstrated that there was a significant up-regulation of stress responsive genes in the TaSNAC4-3A transgenic lines. Our findings have revealed the important role of TaSNAC4-3A in plant drought tolerance
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|a Journal Article
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|a Abiotic stress
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|a Arabidopsis
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|a Drought tolerance
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|a NAC transcription Factor
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|a TaSNAC4-3A
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|a Wheat
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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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7 |
|a 72S9A8J5GW
|2 NLM
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| 700 |
1 |
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|a Chen, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Fangfang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yifang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Zhensheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xiaojing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mao, Hude
|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 160(2021) vom: 01. März, Seite 37-50
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:160
|g year:2021
|g day:01
|g month:03
|g pages:37-50
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|u http://dx.doi.org/10.1016/j.plaphy.2021.01.004
|3 Volltext
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