Summary
Tissue cultures of the PapaveraceeMacleaya microcarpa retained the capability of synthesizing alkaloids (protopine, allocryptopine, sanguinarine) for 3 years after initiation. The alkaloids are accumulated in single, yellow-coloured cells scattered in the tissue. The colour of these cells is continuously produced by a yellow pigment without alkaloidal properties. The orange alkaloid sanguinarine occurs only irregularly. Nevertheless, selection of deep and weak coloured pieces of tissue cultures led to lines with a high and a low content of alkaloids, respectively.
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Koblitz, H., Schumann, U., Böhm, H. et al. Gewebekulturen aus Alkaloidpflanzen IV.Macleaya microcarpa (Maxim.) Fedde. Experientia 31, 768–769 (1975). https://doi.org/10.1007/BF01938452
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DOI: https://doi.org/10.1007/BF01938452