Alkaloids represent a highly diverse group of compounds that are related only by the
occurrence of a nitrogen atom in a heterocyclic ring. Plants are estimated to produce …

Revised Manuscript Received March 8, 1995s abstract: Short-chain dehydrogenases/
reductases (SDR) constitute a large protein family. Presently, at least 57 characterized …

Tropane alkaloids (TAs) are widely distributed in the Solanaceae, while some important
medicinal tropane alkaloids (mTAs), such as hyoscyamine and scopolamine, are restricted …

▪ Abstract Recent advances in the cell, developmental, and molecular biology of alkaloid
biosynthesis have heightened our appreciation for the complexity and importance of plant …

Alkaloids, represent a group of interesting and complex chemical compounds, produced by
the secondary metabolism of living organisms in different biotopes. They are relatively …

Alkaloids-the term is linguistically derived from the Arabic word a/-qali, the plant from which
soda was first obtainedare nitrogenous compounds that constitute the pharmacologically …

Plants produce unique natural products as a result of gene mutation and subsequent
adaptation of metabolic pathways to create new secondary metabolites. However, their …

Purple coneflower (Echinacea purpurea (L.) Moench) is a popular native North American
herbal plant. Its major bioactive compound, chicoric acid, is reported to have various …

The biosynthesis of alkaloid groups for which the enzymes and genes involved have been
characterized is reviewed in the following sections: biosynthetic enzymes and genes …

Plant secondary metabolism is an economically important source of fine chemicals, such as
drugs, insecticides, dyes, flavours, and fragrances. Moreover, important traits of plants such …