Independent roles of glutathione and O-acetyl-L-serine in regulation of sulfur-responsive gene expression in Arabidopsis thaliana

We investigated the effects of a four-day treatment with 0.3 mM glutathione (GSH) and 10 mM O-acetyl-L-serine (OAS), negative and positive regulators of sulfur-responsive gene expression, respectively, alone or in combination, on the sulfur-responsive gene expression in ten-day-old Arabidopsis thali...

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Bibliographic Details
Published in:Plant Biotechnology 2005, Vol.22(1), pp.51-54
Main Authors: Sogawa, Yoshitaka, Ohkama-Ohtsu, Naoko, Hayashi, Hiroaki, Yoneyama, Tadakatsu, Fujiwara, Toru
Format: Article
Language:English
Subjects:
Arabidopsis thaliana
glutathione
O-acetyl-L-serine
sulfur deficiency
β subunit of β-conglycinin
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Summary:We investigated the effects of a four-day treatment with 0.3 mM glutathione (GSH) and 10 mM O-acetyl-L-serine (OAS), negative and positive regulators of sulfur-responsive gene expression, respectively, alone or in combination, on the sulfur-responsive gene expression in ten-day-old Arabidopsis thaliana plants. We determined the relationship between the concentrations of GSH, OAS and sulfate, and expression of sulfur-responsive genes in rosette leaves. The concentrations of GSH and OAS correlated negatively and positively with expression of genes, respectively, suggesting that GSH and OAS independently affect expression of sulfur-responsive genes.
ISSN:1342-4580
1347-6114
DOI:10.5511/plantbiotechnology.22.51