L-ascorbic acid metabolism in the ascorbate-deficient arabidopsis mutant vtc1.

  title={L-ascorbic acid metabolism in the ascorbate-deficient arabidopsis mutant vtc1.},
  author={Patricia L. Conklin and J E Pallanca and Robert L. Last and Nicholas Smirnoff},
  journal={Plant physiology},
  volume={115 3},
The biosynthesis of L-ascorbic acid (vitamin C) is not well understood in plants. The ozone-sensitive Arabidopsis thaliana mutant vitamin c-1 (vtc1; formerly known as soz1) is deficient in ascorbic acid, accumulating approximately 30% of wild-type levels. This deficiency could result from elevated catabolism or decreased biosynthesis. No differences that could account for the deficiency were found in the activities of enzymes that catalyze the oxidation or reduction of ascorbic acid. The… CONTINUE READING

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