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. 2018 Apr 12;9:437. doi: 10.3389/fpls.2018.00437

Figure 9.

Figure 9

A model for light signal transmission control of the steroidal alkaloid pathway. HY5 activates the biosynthesis of SGAs in tomato and PIF3 represses gene expression across the biosynthesis pathway by independently binding to the SlGAME1, SlGAME4, and SlGAME17 promoters.