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Original Articles

The Contribution of Arabidopsis Homologs of L-Gulono-1,4-lactone Oxidase to the Biosynthesis of Ascorbic Acid

, , , , , , & show all
Pages 1494-1497 | Received 05 Mar 2010, Accepted 08 Apr 2010, Published online: 22 May 2014
 

Abstract

To clarify the involvement of seven Arabidopsis homologs of rat L-gulono-1,4-lactone (L-GulL) oxidase, AtGulLOs, in the biosynthesis of L-ascorbic acid (AsA), transgenic tobacco cells overexpressing the various AtGulLOs were generated. Under treatment with L-GulL, the levels of total AsA in three transgenic tobacco cell lines, overexpressing AtGulLO2, 3, or 5, were significantly increased as compared with those in control cells.

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