Analysis of GDP-D-mannose pyrophosphorylase gene promoter from acerola (Malpighia glabra) and increase in ascorbate content of transgenic tobacco expressing the acerola gene.


GDP-D-mannose pyrophosphorylase (GMP) is an important enzyme in the Smirnoff-Wheeler's pathway for the biosynthesis of ascorbic acid (AsA) in plants. We have reported recently that the expression of the acerola (Malpighia glabra) GMP gene, designated MgGMP, correlates with the AsA content of the plant. The acerola plant has very high levels of AsA relative… (More)


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