Sucrose-Specific Induction of the Anthocyanin Biosynthetic Pathway in Arabidopsis
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ID: 303392
2005
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Abstract
Abstract Sugars act as signaling molecules, whose signal transduction pathways may lead to the activation or inactivation of gene expression. Whole-genome transcript profiling reveals that the flavonoid and anthocyanin biosynthetic pathways are strongly up-regulated following sucrose (Suc) treatment. Besides mRNA accumulation, Suc affects both flavonoid and anthocyanin contents. We investigated the effects of sugars (Suc, glucose, and fructose) on genes coding for flavonoid and anthocyanin biosynthetic enzymes in Arabidopsis (Arabidopsis thaliana). The results indicate that the sugar-dependent up-regulation of the anthocyanin synthesis pathway is Suc specific. An altered induction of several anthocyanin biosynthetic genes, consistent with in vivo sugar modulation of mRNA accumulation, is observed in the phosphoglucomutase Arabidopsis mutant accumulating high levels of soluble sugars.
| Reference Key |
openalex_W2141059608
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|---|---|
| Authors | Cinzia Solfanelli, Alessandra Poggi, Elena Loreti, Amedeo Alpi, Pierdomenico Perata |
| Journal | Plant physiology and biochemistry : PPB |
| Year | 2005 |
| DOI |
10.1104/pp.105.072579
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| URL | |
| Keywords | Keywords not found |
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