Summary
The relation between four methylation genes (Mt1, Mt2, Mf1 and Mf2) in flowers of Petunia hybrida and anthocyanin-methyltransferase activity was investigated in vitro. All genes controlled methyltransferase activity. This activity was measured with cyanidinnd petunidin-derivatives as substrates. A cross provided evidence that the Mf-genes regulate methyltransferases which are distinct from those controlled by the Mtgenes. Different effects of the two Mf-genes in vivo are shown. The results suggest that the four methylationgenes control four different methyltransferases.
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Abbreviations
- KPi:
-
potassium phosphate
- OMT:
-
O-methyltransferase
- SAM:
-
S-adenosyl-L-methionine
- 3RGac5G:
-
3(p-coumaroyl)-rutinoside-5-glucoside
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Communicated by H. F. Linskens
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Jonsson, L.M.V., de Vlaming, P., Wiering, H. et al. Genetic control of anthocyanin-O-methyltransferase activity in flowers of Petunia hybrida . Theoret. Appl. Genetics 66, 349–355 (1983). https://doi.org/10.1007/BF00251170
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DOI: https://doi.org/10.1007/BF00251170