Isolation and antisense suppression of flavonoid 3', 5'-hydroxylasemodifies flower pigments and colour in cyclamen |
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Authors: | Murray R Boase David H Lewis Kevin M Davies Gayle B Marshall Deepa Patel Kathy E Schwinn Simon C Deroles |
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Affiliation: | (1) New Zealand Institute for Plant & Food Research Ltd, Private Bag 11-600, Palmerston North, New Zealand |
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Abstract: | Background Cyclamen is a popular and economically significant pot plant crop in several countries. Molecular breeding technologies provide opportunities to metabolically engineer the well-characterized flavonoid biosynthetic pathway for altered anthocyanin profile and hence the colour of the flower. Previously we reported on a genetic transformation system for cyclamen. Our aim in this study was to change pigment profiles and flower colours in cyclamen through the suppression of flavonoid 3', 5'-hydroxylase, an enzyme in the flavonoid pathway that plays a determining role in the colour of anthocyanin pigments. |
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