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Abstract
Photolysis of water and photosynthetic reduction of pyridine nucleotides in CUSCUTA EPITHYMUM. — The reactions for the photolysis of water appear to be present in extracts prepared from seedlings of C. epithymum but not in the extracts prepared from filaments detached from the host (Trifolium repens). Extracts from both seedlings and filaments fail to catalyze the photosynthetic reduction of pyridine nucleotides. Together with the results previously obtained on the mechanism for the fixation of carbon dioxide, the present data suggest that a complete photosynthetic cycle is absent in this species of dodder.