Production of L-DOPA by cell suspension cultures of Mucuna pruriens |
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Authors: | H J Wichers R Wijnsma J F Visser TH M Malingré H J Huizing |
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Institution: | 1. Laboratory for Pharmacognosy, Antonius Deusinglaan 2, 9713 AW, Groningen, The Netherlands
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Abstract: | The endogenous synthesis of 3-(3,4-dihydroxyphenyl)-L-alanine (L-DOPA) by cell suspension cultures of Mucuna pruriens was found to be influenced by several environmental parameters. The nature of the nitrogen source as well as the concentration of nitrogen containing salts, sucrose and phosphate in the culture medium were found to affect the biosynthesis of L-DOPA. Addition of 2, 4-dichlorophenoxyacetic acid to the medium suppressed L-DOPA production; continuous illumination of the cultures had a strong beneficial effect on L-DOPA production. L-DOPA was accumulated intracellularly by the cell suspension cultures. These observations further demonstrate that for certain products of plant cell suspensions product synthesis can be manipulated by a proper selection of specified nutrients. |
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