expression of the recombinant gene in leaf discs of nicotiana tabacum altered the capacity for shoot formation of the discs , induced by exogenous ( i.e . bap in the growth medium or agrobacterial trans-zeatin produced under control of gene tzs ) or endogenous cytokinins ( i.e . isopentenyladenosine produced under control of t-dna gene 4 ) .
C0043456
zeatin
C0010815
cytokinins