Phytochrome, a photochromic sensor.
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Bile Pigments↗
Biomedical subjects
W Shropshire
Publications and source records attributed to W Shropshire.
Gradient formation of anthocyanin in seedlings of Fagopyrum and Sinapis unilaterally exposed to red and far-red light.
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Anthocyanins↗
Phytochrome in etiolated annual rye. 3. Isolation of photoreversible phytochrome.
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Chromatography, Ion Exchange↗
Phytochrome in etiolated annual rye. IV. Physical and chemical characterization of phytochrome.
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Alkylation↗
Multiple chromophore species in phytochrome.
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Pigments, Biological↗
Light induced concentration changes of adenosine-triphosphate in phycomyces sporangiophores.
The concentrations of extractable adenosine triphosphate (ATP) following the induction of positive light-growth responses in Phycomyces sporangiophores by blue light stimuli have been measured by means of the luciferin-luciferase assay. The ATP concentration in the light-sensitive growing zone increases 30 to 50% within 30 seconds after the start of a light stimulus and returns to the normal adapted level within 1 minute after stimulation. The ATP concentration is constant for any level of light adaptation and is uniform along the length of sporangiophores even though the light sensitivity is confined to a growing zone less than 5 mm long. These results suggest that one of the initial biochemical steps after a light stimulus is the production of extractable ATP.
Adenosine Triphosphate↗