i-Ascorbic Acid Metabolism in the Ascorbate-Deficient Arabidopsis Mutant vtc 7 ’

Abstract

The biosynthesis of i-ascorbic acid (vitamin C) is not well understood in plants. The ozone-sensitive Arabidopsis thaliana mutant vifamin cl (vfcl; formerly known as sozl) 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… (More)

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