Journal article
A 235-bp region from a nutritionally regulated soybean seed-specific gene promoter can confer its sulfur and nitrogen response to a constitutive promoter in aerial tissues of Arabidopsis thaliana
Plant Science, Vol.163(1), pp.75-82
2002
Abstract
The seed-specific promoter of the β subunit gene of β-conglycinin, a major seed storage protein of soybean, is upregulated in response to both sulfur and nitrogen nutrition. This response was studied in non-seed tissues of transgenic Arabidopsis thaliana by fusing the β subunit promoter (Pβ) downstream of an enhancer from the cauliflower mosaic virus 35S RNA promoter (P35S) and using the β-glucuronidase (GUS) reporter gene. The chimeric promoter was upregulated by sulfur deficiency (ΔS), indicating that the Pβ is able to direct the ΔS response in non-seed tissues. Deletion analysis of the Pβ revealed that, in seeds, the -307 - -73 bp region is sufficient for the ΔS response. Insertion of the 235 bp region into the P35S conferred the ΔS response on this constitutive promoter in both seed and non-seed tissues. The extent of upregulation by ΔS was more evident when three of the 235 bp fragments were tandemly inserted into the P35S. The findings presented here suggest that a common mechanism exists for sulfur-regulated expression of the Pβ in both seed and non-seed tissues and that this 235 bp region of the Pβ is sufficient for regulation by both sulfur and nitrogen nutrition.
Details
- Title
- A 235-bp region from a nutritionally regulated soybean seed-specific gene promoter can confer its sulfur and nitrogen response to a constitutive promoter in aerial tissues of Arabidopsis thaliana
- Authors/Creators
- M. Awazuhara (Author/Creator)H. Kim (Author/Creator)D.B. Goto (Author/Creator)A. Matsui (Author/Creator)H. Hayashi (Author/Creator)M. Chino (Author/Creator)S-G Kim (Author/Creator)S. Naito (Author/Creator)T. Fujiwara (Author/Creator)
- Publication Details
- Plant Science, Vol.163(1), pp.75-82
- Publisher
- Elsevier
- Identifiers
- 991005541200007891
- Copyright
- © 2002 Elsevier Science Ireland Ltd.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Domestic collaboration
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.180 Microbial Biotechnology
- 3.180.1184 Amino Acid Biosynthesis
- Web Of Science research areas
- Biochemistry & Molecular Biology
- Plant Sciences
- ESI research areas
- Plant & Animal Science