Summary
In petunia cells culturedin vitro anthocyanin synthesis is usually repressed resulting in white/ yellow cells. However, we observed that in petunia strain AK-5000 purple cells appeared at a frequency of about 5 × 10−5. Analysis of the pigments showed that these cells contained the same anthocyanidins (petunidin and malvidin) as found in corollas of the parental plants. This suggests an induction of anthocyanin synthesis in these cells. In white/yellow cells, from which these pigmented cells originated, we could not observe any of the known precursors of these pigments.
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Colijn, C.M., Jonsson, L.M.V., Schram, A.W. et al. Synthesis of malvidin and petunidin in pigmented tissue cultures ofPetunia hybrida . Protoplasma 107, 63–68 (1981). https://doi.org/10.1007/BF01275607
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DOI: https://doi.org/10.1007/BF01275607