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Photosynthetic carbon partitioning: its regulation and possibilities for manipulation
Article first published online: 28 APR 2006
DOI: 10.1111/j.1399-3054.1989.tb05402.x
1399-3054/asset/cover.gif?v=1&s=9580f9134678b7883de2b89f08ae3ab0994a9cb7 "Physiologia Plantarum")
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How to Cite
Stitt, M. and Quick, W. P. (1989), Photosynthetic carbon partitioning: its regulation and possibilities for manipulation. Physiologia Plantarum, 77: 633–641. doi: 10.1111/j.1399-3054.1989.tb05402.x
Publication History
- Issue published online: 28 APR 2006
- Article first published online: 28 APR 2006
- Received 31 May, 1989; revised 17 July, 1989
- Abstract
- Article
- References
- Cited By
Keywords:
- Fructose-2,6-bisphosphate;
- mutants;
- partitioning;
- phosphate;
- photosynthesis;
- spinach;
- Spinacia oleracea;
- starch;
- sucrose;
- sucrose phosphate synthase
The regulation of photosynthetic sucrose synthesis and partitioning is reviewed with particular emphasis on the role of fructose-2,6-bisphosphate and sucrose phosphate synthase. It is concluded that a hierachy of regulatory mechanisms exist, which allows partitioning to be changed without this necessarily leading to a reduction in the rate of photosynthesis. Nevertheless, experimental conditions can be defined in which photosynthesis is limited by the rate of end-product synthesis. These systems can be used to screen for genetic mutants or specific inhibitors, and to investigate a shift in sink demand or environmental factors that specifically act on carbon partitioning and/or the rate of endproduct synthesis.