Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation

Popova OV, Yang O, Dietz K-J, Golldack D (2008)
GENE 423(2): 142-148.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Salt stress is an environmental factor that severely impairs plant growth and productivity. Salinity-induced transcript accumulation was monitored in the salt-sensitive Arabidopsis thaliana and the related salt-tolerant Lobularia maritima using cDNA-arrays with expressed sequence tags derived from a cDNA subtraction library of salt-stressed L maritima. The expression profiles revealed differences of the steady state transcript regulation in A. thaliana and L maritima in response to salt stress. The differentially expressed transcripts include those involved in the control of gene expression as a transcription factor 11 homologue as well as signal transduction elements such as a serine/threonine protein kinase. a SNF1-related protein kinase AKIN10 homologue. and protein phosphatase 2C. Other ESTs with differential regulation patterns included transcripts encoding proteins with function in general stress responses and defense and included a peroxidase, dehydrins, enzymes of lipid and nitrogen metabolism, and functionally unclassified proteins. In a more detailed analysis the basic leucine zipper transcription factor AtbZIP24 showed differential transcript abundance in A. thaliana and L maritima in response to salt stress. Transgenic AtbZIP24-RNAi lines showed improved growth and development under salt stress that was correlated with changed Cl- accumulation. The data indicate that AtbZIP24 functions as a transcriptional repressor in salt-stressed A. thaliana that negatively regulates growth and development under salinity in context of controlling Cl- homeostasis. Monitoring the differential and tissue specific global regulation of gene expression during adaptation to salinity in salt-sensitive and halotolerant plants is a promising and powerful approach to identify novel elements of plant salt stress adaptation. (c) 2008 Elsevier B.V. All rights reserved.
Stichworte
bZIP transcription factor; cDNA-array; Arabidopsis thaliana; Lobularia maritima; Chloride accumulation
Erscheinungsjahr
2008
Zeitschriftentitel
GENE
Band
423
Ausgabe
2
Seite(n)
142-148
ISSN
0378-1119
Page URI
https://pub.uni-bielefeld.de/record/1585840

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Popova OV, Yang O, Dietz K-J, Golldack D. Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation. GENE. 2008;423(2):142-148.
Popova, O. V., Yang, O., Dietz, K. - J., & Golldack, D. (2008). Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation. GENE, 423(2), 142-148. doi:10.1016/j.gene.2008.07.017
Popova, O. V., Yang, O., Dietz, K. - J., and Golldack, D. (2008). Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation. GENE 423, 142-148.
Popova, O.V., et al., 2008. Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation. GENE, 423(2), p 142-148.
O.V. Popova, et al., “Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation”, GENE, vol. 423, 2008, pp. 142-148.
Popova, O.V., Yang, O., Dietz, K.-J., Golldack, D.: Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation. GENE. 423, 142-148 (2008).
Popova, Olga V., Yang, Oksoon, Dietz, Karl-Josef, and Golldack, Dortje. “Differential transcript regulation in Arabidopsis thaliana and the halotolerant Lobularia maritima indicates genes with potential function in plant salt adaptation”. GENE 423.2 (2008): 142-148.

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