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Phytochemistry. 2010 Apr;71(5-6):495-501. doi: 10.1016/j.phytochem.2009.12.015. Epub 2010 Jan 19.

Vitamin B6: Killing two birds with one stone?

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  • 1Washington State University, Pullman, Abelson Hall, WA 99164, USA.


Vitamin B6 comprises a group of compounds that are involved in a surprisingly high diversity of biochemical reactions. Actually, most of these reactions are co-catalyzed by a single B6 vitamer, pyridoxal 5'-phosphate, making it a crucial and versatile co-factor in many metabolic processes in the cell. In addition, it has been demonstrated in recent years that vitamin B6 has a second important function by being an effective antioxidant. Because of these two characteristics the vitamin is an interesting compound to study in plants. This review provides a brief overview and update on such important aspects like vitamin B6-dependent enzymes and known biosynthetic pathways in plants, phenotypes of plant mutants affected in vitamin B6 biosynthesis, and the potential benefits of modifying vitamin B6 content in plants.

Copyright 2010 Elsevier Ltd. All rights reserved.

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