Sorbitol-1-phosphate and sorbitol-6-phosphate in apricot leaves |
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| Authors: | RJ Redgwell RL Bieleski |
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| Institution: | Plant Diseases Division, Department of Scientific and Industrial Research, Private Bag, Auckland, New Zealand |
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| Abstract: | Sorbitol-1-phosphate and sorbitol-6-phosphate were isolated from Prunus armeniaca leaves that had been labelled with 14C by photosynthesis in 14CO2. Each hexitol phosphate was present at ca 7 μmol/kg fr. wt in the tissue and formed ca 4% of the hexose monophosphate fraction. 14C-specific activity measurements suggest that each hexitol monophosphate is formed from a hexose monophosphate, and that one or other could be an intermediate in photosynthesis of sorbitol from CO2. |
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| Keywords: | Rosaceae photosynthesis polyols sorbitol sorbitol-1-phosphate sorbitol-6-phosphate |
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