期刊
TRENDS IN PLANT SCIENCE
卷 9, 期 11, 页码 556-563出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2004.09.004
关键词
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Fructose-2,6-bisphosphate (Fru-2,6-P-2) regulates key reactions of the primary carbohydrate metabolism in all eukaryotes. In plants, Fru-2,6-P-2 coordinates the photosynthetic carbon flux into sucrose and starch biosynthesis. The use of transgenic plants has allowed the regulatory models to be tested by modifying the Fru-2,6-P-2 levels and the enzymes regulated by Fru-2,6-P-2. Genes for the bifunctional plant enzyme that synthesizes and degrades Fru-2,6-P-2 have been isolated and molecular characterization has provided new insight into structure and molecular regulation of the enzyme. Advances in Fru-2,6-P-2 physiology and molecular biology are discussed. These advances have not only enlightened in vivo operation of Fru-2,6-P-2 but also revealed that the Fru-2,6-P-2 regulatory system is highly complex and interacts with other regulatory mechanisms.
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