The effect of overexpression of the trehalose-6-phosphate (T6P) synthase gene (TPS1) on ethanol fermentation of Saccharomyces cerevisiae has been studied at 30 and 38°C. The activity of T6P synthase and the accumulation of trehalose during ethanol fermentation were significantly improved by overexpression of TPS1, and especially at 38°C. Ethanol produced by transformants with and without TPS1 gene overexpression at 38°C was approx. 60 and 37 g/l, respectively. The fermentation efficiency of transformants with TPS1 gene overexpression at 38°C was similar to that at 30°C. The critical growth temperature was increased from 36 to 42°C by TPS1 gene overexpression. These results indicated that overexpression of the TPS1 gene had a beneficial effect on the fermentation capacity of the title yeast strain at high temperatures.
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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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| 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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