Subcellular Localization of Alkaloids and Dopamine in Different Vacuolar Compartments of Papaver bracteatum.


Fractionation of Papaver bracteatum Arya II Lindl. latex on Renografin step gradients revealed that 43% of the dopamine was compartmentalized along with alpha-mannosidase (40%) in vacuoles sedimenting in the 2% fraction. Twenty-two percent of the dopamine was in the supernatant, but a corresponding amount (18%) of alpha-mannosidase was also present… (More)


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