1.14.19.22 abscisic acid increase in enzyme gene expression 676013 1.14.19.22 O2 elevation of external O2 supply produces a dramatic increase of the FAD2 enzyme activity 688081 1.14.19.22 Triton X-100 at an optimal concentration of 0.1% Triton X-100, the detergent increases the rate of desaturation about three fold 390739