Control of Metabolic Processes pp 363-376 | Cite as
Application of Control Analysis to Photosynthetic Sucrose Synthesis
Abstract
Sucrose is the major product of photosynthesis, and it is exported to the rest of the plant via the phloem. However, a substantial portion of the photosynthate is retained in the leaf, often as starch. This starch is later degraded to provide respiratory substrate, or to support continued synthesis of sucrose for export during the night. Since major increases in crop productivity have been related to an improved allocation of photosynthate within the plant rather than an increase in the basic rate of photosynthesis (Gifford et al., 1984), there is considerable interest in understanding the mechanisms which regulate the partitioning of photosynthate, and in identifying sites which might allow this partitioning to be manipulated.
Keywords
High Light Calvin Cycle Elasticity Coefficient Starch Synthesis Triose PhosphatePreview
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