Effect of white and far-red light on betalain formation |
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| Authors: | Marina Giudici De Nicola Vincenzo Amico Mario Piattelli |
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| Affiliation: | Instituto di Chimica Organica dell''Universitá di Catania, Catania, Italia |
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| Abstract: | Light-induced betalain synthesis has been studied in three species of Amaranthaceae. The results obtained suggest that the response to short-term irradiation with white light is mediated by phytochrome, while the effects of prolonged illumination are controlled by the photosynthetic system. Betalain accumulation stimulated by prolonged far-red irradiation is controlled chiefly by the photosynthetic system, the participation of phytochrome being of minor importance. |
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| Keywords: | Amaranthaceae betalain biosynthesis light phytochrome. |
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