Abstract
The N-oxides of pyrrolizidine alkaloids such as senecionine or monocrotaline are rapidly taken up and accumulated by cell suspension cultures obtained from plants known to produce pyrrolizidines, i.e. Senecio vernalis, vulgaris, viscosus (Asteraceae) and Symphytum officinale (Boraginaceae). The transport of the N-oxides into the cells is a specific and selective process. Other alkaloid N-oxides such as sparteine N-oxide are not taken up. Cell cultures from plant species which do not synthesize pyrrolizidine alkaloids are unable to accumulate pyrrolizidine N-oxides. The suitability of the pyrrolizidine N-oxides in alkaloid storage and accumulation is emphasized.
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Communicated by M. H. Zenk
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von Borstel, K., Hartmann, T. Selective uptake of pyrrolizidine N-oxides by cell suspension cultures from pyrrolizidine alkaloid producing plants. Plant Cell Reports 5, 39–42 (1986). https://doi.org/10.1007/BF00269714
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DOI: https://doi.org/10.1007/BF00269714