The problem of reduced nicotinamide adenine dinucleotide oxidation in glyoxysomes |
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Authors: | Lord J M Beevers H |
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Affiliation: | Simon Fraser University, Photobiology Group, Burnaby, British Columbia, Canada. |
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Abstract: | Phototransformation of phytochrome in lettuce seeds (Lactuca sativa L. var. Grand Rapids) was examined by testing germination responses of seeds irradiated at various temperatures. Temperature variations from 0 to 50 C had no influence on the germination of partially hydrated seeds (about 15% water content) irradiated with either red or far red light prior to imbibition. At −15 C far red light more effectively retarded germination than red light promoted it. No effective phototransformation was detected at −79 C or −196 C. |
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