The effect of inositol supplementation on glucose derepression, invertase secretion and SUC2 gene expression in Saccharomyces sp. W4 was studied. Invertase secretion was repressed, when the yeast cells, grown the synthetic medium without inositol (I(-) medium) contained more than 0.2% (w/v) initial concentration of glucose. However, in the same medium plus inositol (I(+) medium, inositol conc. 100 microg/100 ml), invertase secretion was repressed only at glucose concentrations higher than 2.0% (w/v). Results showed that secreted invertase activity increased only in the I+ medium, whereas intracellular invertase activity remained constant in both media during the cell, growth. The mRNA encoding secreted invertase was higher in the glucose-derepressed cells grown in the I(+) medium than in the glucose-repressed cells grown in the I(-) medium. Similarly, phosphatidylinositol (PI) content was significantly higher in the cells grown in the I(+) medium than in the I(-) medium. These results indicated that PI might be involved in the glucose derepression, invertase secretion and SUC2 gene expression at the transcriptional level in the yeast.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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