Abstract

Plant cell technology provides an alternative to the whole plant cultivation for the production of valuable plant-based secondary metabolites. The treatment of plant cells with elicitors is one of the most effective strategies for improving secondary metabolite production by plant tissue and cell cultures. These elicitors stimulate secondary metabolite production and thereby decrease the process time to attain high product concentrations. A variety of fungal products (cell wall polysaccharides, culture filtrate, mycelia, spores, polypeptides, glycoproteins, lipid molecules, and metabolites) have been used as elicitors to trigger secondary metabolite biosynthesis by plant cell cultures. This chapter provides information about effects of culture filtrate, cell extract, and live cells of root endophytic fungus Piriformospora indica as elicitors, on growth and lignan production by Linum album hairy root cultures.

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