ArticleJournal of applied genetics2015
Comparative functional analysis of two wheat Na(+)/H (+) antiporter SOS1 promoters in Arabidopsis thaliana under various stress conditions.
Article in Journal of applied genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 17 citations in OpenAlex.
- Article
- Genome-wide characterization ofFrontiers in plant science · 2023Article
- Subgenome-biased expression and functional diversification of a NaFrontiers in plant science · 2022Article
- An update and perspectives on the use of promoters in plant genetic engineering.Journal of biosciences · 2020Review
- Genome-wide identification and gene expression analysis of SOS family genes in tuber mustard (Brassica juncea var. tumida).PloS one · 2019Article
- The durum wheat plasma membrane NaProtoplasma · 2017Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The bread wheat TaSOS1 has been previously shown to be induced by salt stress treatment. To further investigate the regulation of the TaSOS1 gene, the two genomic fragments Pr SOS1-AB and Pr SOS1-D have been isolated and sequenced. Pr SOS1-AB and Pr SOS1-D are the promoter regions of SOS1 alleles, which are localised on genomes A and/or B, and on genome D, respectively. Sequence analysis of these two promoters revealed the presence of cis-regulatory elements which could be required for abiotic stress and abscisic acid (ABA) responsiveness. Histochemical assays of stably transformed Arabidopsis T3 plants showed that Pr SOS1-AB and Pr SOS1-D are active in this heterologous system, and their activities were almost the same at early developmental stages (4-, 8- and 12-day-old transgenic Arabidopsis seedlings). Nevertheless, β-glucuronidase (GUS) activity was detected only in plants carrying the Pr SOS1-AB -gusA construct grown for 20 or 30 days. Furthermore, in these plants, the application of abiotic stress produced an accumulation in gusA transcripts. Taken together, these results show that, in this heterologous dicot system and under normal growth conditions, Pr SOS1-AB and Pr SOS1-D are age-dependent and organ-specific promoters. However, in the presence of different stress conditions, the activities of these two promoters became different and only Pr SOS1-AB is an abiotic stress-inducible promoter at different developmental stages. Thus, Pr SOS1-AB can be used for the development of abiotic stress-tolerant transgenic plants.
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