Abstract
Digitalis purpurea L. is one of the main economically viable sources of cardenolides (cardiac glycosides) for the pharmaceutical industry. Nevertheless, production of cardenolides in plants grown by traditional agriculture is not always an efficient process and can be affected by biotic and abiotic factors. This chapter provides two biotechnology strategies for biomass and cardenolide production in D. purpurea. Firstly, we report biomass production using a temporary immersion system (TIS), combined with cardenolide extraction and quantification. Secondly, an efficient protocol for genetic transformation via Agrobacterium tumefaciens is provided. These strategies can be used independently or combined in order to increase the content of cardiac glycosides in D. purpurea and to unravel biosynthetic pathways associated to cardiac glycoside production.
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