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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2020.09.029
|2 doi
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|a pubmed24n1053.xml
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|a (DE-627)NLM315926708
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|a (NLM)33022480
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|a (PII)S0981-9428(20)30478-2
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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 Yang, Xiaoying
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Constitutive expression of aldose reductase 1 from Zea mays exacerbates salt and drought sensitivity of transgenic Escherichia coli and Arabidopsis
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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 19.01.2021
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|a Date Revised 19.01.2021
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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 Aldose reductases (ARs) have been considered to play important roles in sorbitol biosynthesis, cellular detoxification and stress response in some plants. ARs from maize are capable of catalyzing the oxidation of sorbitol to glucose. However, little is known how maize ARs response to abiotic stresses. In this work, we cloned one isoform of maize ARs (ZmAR1), and furthermore we analyzed the roles of ZmAR1 in response to salt and drought stresses at both prokaryotic and eukaryotic levels. ZmAR1 encodes a putative 35 kDa protein that contains 310 amino acids. Under normal growth conditions, ZmAR1 was expressed in maize seedlings, and the highest expression level was found in leaves. But when seedlings were subjected to drought or salt treatment, the expression levels of ZmAR1 were significantly reduced. The constitutive expression of ZmAR1 increased the sensitivity of recombinant E. coli cells to drought and salt stresses compared with the control. Under salt and drought stresses, transgenic Arabidopsis lines displayed lower seed germination rate, shorter seedling root length, lower chlorophyll content, lower survival rate and lower antioxidant enzyme activity than wild type (WT) plants, but transgenic Arabidopsis had higher relative conductivity, higher water loss rate, and more MDA content than WT. Meanwhile, the introduction of ZmAR1 into Arabidopsis changed the expression levels of some stress-related genes. Taken together, our results suggested that ZmAR1 might act as a negative regulator in response to salt and drought stresses in Arabidopsis by reducing the sorbitol content and modulating the expression levels of some stress-related genes
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|a Journal Article
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|a Aldose reductase
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| 650 |
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|a Drought stress
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| 650 |
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|a Maize
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| 650 |
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4 |
|a Salt stress
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| 650 |
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7 |
|a Plant Proteins
|2 NLM
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| 650 |
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7 |
|a Aldehyde Reductase
|2 NLM
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| 650 |
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7 |
|a EC 1.1.1.21
|2 NLM
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| 700 |
1 |
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|a Zhu, Kaili
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Xinmei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pei, Yuhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Meiai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Xiyun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yubin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Shutang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jun
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 156(2020) vom: 15. Nov., Seite 436-444
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:156
|g year:2020
|g day:15
|g month:11
|g pages:436-444
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2020.09.029
|3 Volltext
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|d 156
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