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Home >> Industrial and Microbial Biotechnology >>Metabolic Engineering and Metabolomics >> Metabolic Engineering for Alkaloid Biosynthesis

Metabolic Engineering for Alkaloid Biosynthesis
Metabolic engineering has also been shown to help increase productivity of several secondary metabolites in plants. Among biologically active alkaloids, nicotine and tropane alkaloids including hyoscyamine (atropine) and scopolamine (Hyoscine) have proved useful in pharmaceutical industry. Several genes involved in their biosynthesis have been cloned, making it possible to use metabolic engineering to improve their biosynthesis have been cloned, making it possible to use metabolic engineering to improve their productivity. The biosynthetic pathways of tropane alkaloids and nicotine are shown in.

It has been shown that overexpression of hyoscyamine 6 b hydroxylase (H6H) in Altropa belladona helps in the production of scopolamine, suggesting that metabolites. For instance, transgenic Altropa belladona and Nicotiana sylvestris were produced, which divert the metabolic flux and convert Putrescine into N-methyl putrescine (putrescine is otherwise metabolised to polyamines like spermidine and spermine), thus committing the biosynthesis for production of alkaloids (nicotine and scopolamine). Synthesis of berberine in culture cells was similarly manipulated through metabolic engineering.

Metabolic Engineering for Alkaloid Biosynthesis

The Biosynthetic Pathway, which was manipulated through Metabolic Engineering for the Commercial Production of tropane Alkaloids and Nicotine

 

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