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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2018.03.008
|2 doi
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|a pubmed24n0940.xml
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|a (DE-627)NLM282297243
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|a (NLM)29574326
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|a (PII)S0176-1617(18)30057-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Valassakis, Chrysanthi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Promoter analysis and functional implications of the selenium binding protein (SBP) gene family in Arabidopsis thaliana
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|c 2018
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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 20.09.2018
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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 © 2018 Elsevier GmbH. All rights reserved.
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|a Selenium Βinding Protein (SBP, originally termed SBP56) was identified in mouse liver as a cytosolic protein that could bind radioactive selenium. SBPs are highly conserved proteins present in a wide array of species across all kingdoms and are likely to be involved in selenium metabolism. In Arabidopsis, the selenium binding protein (SBP) gene family comprises three genes (AtSBP1, AtSBP2 and AtSBP3). AtSBP1 and AtSBP2 are clustered in a head-to-tail arrangement on chromosome IV, while AtSBP3 is located on chromosome III. In this work, we studied the promoter activity of the Arabidopsis SBP genes, determined their tissue specificity and showed that they are differentially regulated by sodium selenite and sodium selenate. All three SBP genes are upregulated in response to externally applied selenium compounds and the antioxidant NAC selectively downregulates SBP2. Although the effect on SBP2 levels was the most prominent, in all cases, the concurrent exposure of plants to selenite and the antioxidant supressed the expression of the SBP genes. We provide evidence that (at least) SBP1 expression is tightly linked to detoxification processes related to oxidative stress, since it is downregulated in the presence of NAC in selenium-treated plants. Furthermore, our results suggest that SBP genes may participate in the mechanisms that sense redox imbalance
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|a Journal Article
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|a ROS
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|a SBP1
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|a SBP2
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|a SBP3
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|a Selenium binding protein
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|a Arabidopsis Proteins
|2 NLM
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|a SBP1 protein, Arabidopsis
|2 NLM
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|a SBP2 protein, Arabidopsis
|2 NLM
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| 650 |
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|a SBP3 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Selenium-Binding Proteins
|2 NLM
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|a Sodium Selenite
|2 NLM
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| 650 |
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|a HIW548RQ3W
|2 NLM
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| 650 |
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|a Selenic Acid
|2 NLM
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| 650 |
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|a HV0Y51NC4J
|2 NLM
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| 700 |
1 |
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|a Livanos, Pantelis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Minopetrou, Martha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Haralampidis, Kosmas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Roussis, Andreas
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 224-225(2018) vom: 20. Mai, Seite 19-29
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:224-225
|g year:2018
|g day:20
|g month:05
|g pages:19-29
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|u http://dx.doi.org/10.1016/j.jplph.2018.03.008
|3 Volltext
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|a AR
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|d 224-225
|j 2018
|b 20
|c 05
|h 19-29
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