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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2014.09.008
|2 doi
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|a pubmed25n0808.xml
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|a eng
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|a Yoon, Seo-Kyung
|e verfasserin
|4 aut
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|a Response to drought and salt stress in leaves of poplar (Populus alba × Populus glandulosa)
|b expression profiling by oligonucleotide microarray analysis
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|c 2014
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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
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|2 rdacarrier
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|a Date Completed 20.08.2015
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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 © 2014 Elsevier Masson SAS. All rights reserved.
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|a Drought and salt stresses are major environmental constraints on forest productivity. To identify genes responsible for stress tolerance, we conducted a genome-wide analysis in poplar (Populus alba × Populus glandulosa) leaves exposed to drought and salt (NaCl) stresses. We investigated gene expression at the mRNA level using oligonucleotide microarrays containing 44,718 genes from Populus trichocarpa. A total of 1604 and 1042 genes were up-regulated (≥2-fold; P value < 0.05) by drought and salt stresses, respectively, and 765 genes were up-regulated by both stresses. In addition, 2742 and 1685 genes were down-regulated by drought and salt stresses, respectively, and 1564 genes were down-regulated by both stresses. The large number of genes regulated by both stresses suggests that crosstalk occurs between the drought and salt stress responses. Most up-regulated genes were involved in functions such as subcellular localization, signal transduction, metabolism, and transcription. Among the up-regulated genes, we identified 47 signaling proteins, 65 transcription factors, and 43 abiotic stress-related genes. Several genes were modulated by only one of the two stresses. About 25% of the genes significantly regulated by these stresses are of unknown function, suggesting that poplar may provide an opportunity to discover novel stress-related genes
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|a Journal Article
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|a Drought stress
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|a Gene expression
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|a Oligonucleotide microarray
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|a Populus
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|a Salt stress
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|a Sodium Chloride
|2 NLM
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|a 451W47IQ8X
|2 NLM
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|a Park, Eung-Jun
|e verfasserin
|4 aut
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|a Choi, Young-Im
|e verfasserin
|4 aut
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|a Bae, Eun-Kyung
|e verfasserin
|4 aut
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|a Kim, Joon-Hyeok
|e verfasserin
|4 aut
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|a Park, So-Young
|e verfasserin
|4 aut
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|a Kang, Kyu-Suk
|e verfasserin
|4 aut
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|a Lee, Hyoshin
|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 84(2014) vom: 12. Nov., Seite 158-168
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|x 1873-2690
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|g volume:84
|g year:2014
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|g month:11
|g pages:158-168
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|u http://dx.doi.org/10.1016/j.plaphy.2014.09.008
|3 Volltext
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