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. 2013 May 21;4:143. doi: 10.3389/fpls.2013.00143

FIGURE 2.

FIGURE 2

Summary of the genetic approaches used in unraveling the deoxyxylulose 5-phosphate (DXP)-independent pathway for vitamin B6 biosynthesis de novo and first proof-of-principle strategies for vitamin B6 biofortification in Arabidopsis thaliana and tobacco. The lower panel provides an overview of the possible new engineering strategies for vitamin B6 biofortification.