OpiumPapaverMorphineAlkaloidsHeroin DependenceTyrosine DecarboxylaseThebainePeronosporaBerberine AlkaloidsBenzylisoquinolinesNoscapineMorphine DerivativesCoptisBenzophenanthridinesErgot AlkaloidsDopa DecarboxylaseNarcoticsPlants, MedicinalMorphine DependenceMorphinansEschscholziaCodeineIsoquinolinesIndole AlkaloidsThalictrumPyrrolizidine AlkaloidsVinca AlkaloidsBotrytisAnalgesics, OpioidLatexOpioid-Related DisordersCinchona AlkaloidsPlant ProteinsOxidoreductases, N-DemethylatingNaloxoneDrug ToleranceGenes, PlantGene Expression Regulation, PlantReceptors, Opioid, muAmaryllidaceae AlkaloidsMethadone