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Correlation between far-red absorbing phytochrome and response in phytochrome-mediated anthocyanin synthesis (1979)

STEINITZ, B. ; SCHÄFER, E. ; DRUMM, H. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Plant, cell & environment 2 (1979), S. 0

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ISSN: 1365-3040

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Biology

Notes: Abstract Mustard seedlings were light treated at 24 h after sowing (25°C) to induce phytochrome-mediated anthocyanin synthesis in cotyledons and hypocotylar hook. All light treatments were performed within the range of the reciprocity law. The in situ photoconversion kinetics of phytochrome (Pr→ Pfr) were measured under the same light treatment. It was found that between 0.4 and 1.0 relative Pfr level the amount of anthocyanin extracted from the organs at 52 h after sowing was linearily correlated with the amount of Pfr produced at 24 h in cotyledons and hypocotylar hook. It is concluded that an explanation of the fluence response function for red light mediated anthocyanin synthesis in the mustard seedling does not require the concept of active vs. bulk phytochrome.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-3040.1979.tb00788.x

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