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- Title
SUGAR-INDUCED SIGNAL TRANSDUCTION IN PLANTS.
- Authors
Smeekens, Sjef
- Abstract
Sugars have important signaling functions throughout all stages of the plant's life cycle. This review presents our current understanding of the different mechanisms of sugar sensing and sugar-induced signal transduction, including the experimental approaches used. In plants separate sensing systems are present for hexose and sucrose. Hexokinase-dependent and -independent hexose sensing systems can further be distinguished. There has been progress in understanding the signal transduction cascade by analyzing the function of the SNF1 kinase complex and the regulatory PRL1 protein. The role of sugar signaling in seed development and in seed germination is discussed, especially with respect to the various mechanisms by which sugar signaling controls gene expression. Finally, recent literature on interacting signal transduction cascades is discussed, with particular emphasis on the ethylene and ABA signal transduction pathways.
- Publication
Annual review of plant physiology and plant molecular biology, 2000, Vol 51, p49
- ISSN
1040-2519
- Publication type
Journal Article
- DOI
10.1146/annurev.arplant.51.1.49