The DOI matches its Crossref record; 21 of the 21 references it cites were found in a registry or an index.
Microarray Analysis of the Nitrate Response in Arabidopsis Roots and Shoots Reveals over 1,000 Rapidly Responding Genes and New Linkages to Glucose, Trehalose-6-Phosphate, Iron, and Sulfate Metabolism
Open accessAbstract
The genomic response to low levels of nitrate was studied in Arabidopsis using the Affymetrix ATH1 chip containing more than 22,500 probe sets. Arabidopsis plants were grown hydroponically in sterile liquid culture on ammonium as the sole source of nitrogen for 10 d, then treated with 250 μm nitrate for 20 min. The response to nitrate was much stronger in roots (1,176 genes showing increased or decreased mRNA levels) than in shoots (183 responding genes). In addition to known nitrate-responsive genes (e.g. those encoding nitrate transporters, nitrate reductase, nitrite reductase, ferredoxin reductase, and enzymes in the pentose phosphate pathway), genes encoding novel metabolic and potential regulatory proteins were found. These genes encode enzymes in glycolysis (glucose-6-phosphate isomerase and phosphoglycerate mutase), in trehalose-6-P metabolism (trehalose-6-P synthase and trehalose-6-P phosphatase), in iron transport/metabolism (nicotianamine synthase), and in sulfate uptake/reduction. In many cases, only a few select genes out of several in small gene families were induced by nitrate. These results show that the effect of nitrate on gene expression is substantial (affecting almost 10% of the genes with detectable mRNA levels) yet selective and affects many genes involved in carbon and nutrient metabolism.
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Cites
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Cited by
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Metadata
- Authors
- Wang, R., Okamoto, M., Xing, X., & Crawford, N. M.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 2003-06-01
- Volume
- 132
- Issue
- 2
- Pages
- 556-567
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2128901331
- Cited by
- 678
- References
- 21
- FWCI
- 33.27
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Wang, R., Okamoto, M., Xing, X., & Crawford, N. M. (2003). Microarray Analysis of the Nitrate Response in Arabidopsis Roots and Shoots Reveals over 1,000 Rapidly Responding Genes and New Linkages to Glucose, Trehalose-6-Phosphate, Iron, and Sulfate Metabolism. Plant Physiology. https://doi.org/10.1104/pp.103.021253
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