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  Molecular analysis and control of cysteine biosynthesis: integration of nitrogen and sulphur metabolism

Hesse, H., Nikiforova, V., Gakiere, B., & Hoefgen, R. (2004). Molecular analysis and control of cysteine biosynthesis: integration of nitrogen and sulphur metabolism. In Journal of Experimental Botany (pp. 1283-1292).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-2CCF-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-2CD0-6
Genre: Conference Paper

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Hesse, H.1, Author              
Nikiforova, V.2, Author              
Gakiere, B.3, Author
Hoefgen, R.1, Author              
Affiliations:
1Amino Acid and Sulfur Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753337              
2System Integration, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753349              
3External Organizations, ou_persistent22              

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Free keywords: cysteine biosynthesis nitrate assimilation o-acetylserine (thiol)lyase serine acetyltransferase sulphate transcriptomics affinity sulfate transporter adenosine 5'-phosphosulfate reductase bacterial serine acetyltransferase length cdna microarray brassica-juncea l acetyl-l-serine lemna-minor-l arabidopsis-thaliana gene-expression atp sulfurylase
 Abstract: Since cysteine is the first committed molecule in plant metabolism containing both sulphur and nitrogen, the regulation of its biosynthesis is critically important. Cysteine itself is required for the production of an abundance of key metabolites in diverse pathways. Plants alter their metabolism to compensate for sulphur and nitrogen deficiencies as best as they can, but limitations in either nutrient not only curb a plant's ability to synthesize cysteine, but also restrict protein synthesis. Nutrients such as nitrate and sulphate (and carbon) act as signals; they trigger molecular mechanisms that modify biosynthetic pathways and thereby have a profound impact on metabolite fluxes. Cysteine biosynthesis is modified by regulators acting at the site of uptake and throughout the plant system. Recent data point to the existence of nutrient-specific signal transduction pathways that relay information about external and internal nutrient concentrations, resulting in alterations to cysteine biosynthesis. Progress in this field has led to the cloning of genes that play pivotal roles in nutrient-induced changes in cysteine formation.

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Language(s): eng - English
 Dates: 2004
 Publication Status: Published in print
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 Identifiers: ISI: ISI:000222034600003
DOI: 10.1093/jxb/erh136
URI: ://000222034600003 http://jxb.oxfordjournals.org/content/55/401/1283.full.pdf
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Title: Journal of Experimental Botany
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Title: Journal of Experimental Botany
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1283 - 1292 Identifier: -