Plants have been used throughout the world for its medicinal powers since ancient time. The
pharmacological properties of plants are based on their phytochemical components …

Hairy roots derived from the infection of a plant by Rhizobium rhizogenes (previously
referred to as Agrobacterium rhizogenes) bacteria, can be obtained from a wide variety of …

Tropane alkaloids (TA) are valuable secondary plant metabolites which are mostly found in
high concentrations in the Solanaceae and Erythroxylaceae families. The TAs, which are …

Oxidative cyclizations are important transformations that occur widely during natural product
biosynthesis. The transformations from acyclic precursors to cyclized products can afford …

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 …

Polyamines are amine-containing, low molecular weight, and ubiquitous polycationic
molecules present in almost all cells and free-living microbes, which are formed by aliphatic …

Consumption of herbal medicines is widespread and increasing. Harvesting from the wild,
the main source of raw material, is causing loss of genetic diversity and habitat destruction …

Plants synthesize an extensive array of secondary metabolites, often with highly complex
structures. Currently, most pharmaceutically important secondary metabolites are isolated …

S-Adenosyl-l-methionine (AdoMet or SAM) is a substrate in numerous enzyme-catalyzed
reactions. It not only provides methyl groups in many biological methylations, but also acts …

Plant cell cultivations are being considered as an alternative to agricultural processes for
producing valuable phytochemicals. Since many of these products (secondary metabolites) …