Figure 2.
Time courses of extracellular concentrations of the radiolabeled cytokinins [2-3H]BA (A), [2-3H]iP (B), and [2-3H]iPR (C) in the culture medium during in vivo labeling of wild-type P. patens and the transformants tCKX16 und tCKX7. The substrate depletion was monitored by HPLC coupled to online liquid scintillation counting.