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Annals of botany

Annals of botany

IF: 3.6
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Ascorbate as a biosynthetic precursor in plants.

Published:1 January 2007 DOI: 10.1093/aob/mcl236 PMID: 17098753
Seth Debolt, Vanessa Melino, Christopher M Ford

Abstract

Background and aims: l-Ascorbate (vitamin C) has well-documented roles in many aspects of redox control and anti-oxidant activity in plant cells. This Botanical Briefing highlights recent developments in another aspect of l-ascorbate metabolism: its function as a precursor for specific processes in the biosynthesis of organic acids.

Scope: The Briefing provides a summary of recent advances in our understanding of l-ascorbate metabolism, covering biosynthesis, translocation and functional aspects. The role of l-ascorbate as a biosynthetic precursor in the formation of oxalic acid, l-threonic acid and l-tartaric acid is described, and progress in elaborating the mechanisms of the formation of these acids is reviewed. The potential conflict between the two roles of l-ascorbate in plant cells, functional and biosynthetic, is highlighted.

Conclusions: Recent advances in the understanding of l-ascorbate catabolism and the formation of oxalic and l-tartaric acids provide compelling evidence for a major role of l-ascorbate in plant metabolism. Combined experimental approaches, using classic biochemical and emerging 'omics' technologies, have provided recent insight to previously under-investigated areas.

Substances (4)

Related products
Procduct Name CAS Molecular Formula Supplier Price
Ascorbic Acid 50-81-7 C6H8O6 1626 suppliers $6.00-$2170.00
L(+)-Tartaric acid 87-69-4 C4H6O6 1035 suppliers $5.00-$8050.00
Oxalic acid 144-62-7 C2H2O4 788 suppliers $5.00-$2190.00
L-Threonic Acid 7306-96-9 C4H8O5 14 suppliers Inquiry

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