Peter J. Facchini, Vincenzo de Luca, Phloem-Specific Expression of Tyrosine/Dopa Decarboxylase Genes and the Biosynthesis of Isoquinoline Alkaloids in Opium Poppy, The Plant Cell, Vol. 7, No. 11 (Nov., 1995), pp. 1811-1821
No takes yet. Share an insight, caveat, or question.
Facchini et al. (1995) studied this question.