Isolation of dihydroflavonol 4-reductase cDNA clones from Angelonia x angustifolia and heterologous expression as GST fusion protein in Escherichia coli. oleh Christian Gosch, Karthik Mudigere Nagesh, Jana Thill, Silvija Miosic, Sylvia Plaschil, Malvina Milosevic, Klaus Olbricht, Shaghef Ejaz, Annette Rompel, Karl Stich, Heidi Halbwirth