A current challenge of the cellulosic ethanol industry is to improve the resistance of inhibitors present in biomass hydrolysates. RNA-binding protein gene lsm6 was cloned from industrial Saccharomyces cerevisiae ZU-E8, which is able to conferment glucose and xylose, and transformed into ZU-E8 via expression vector pRS426. The positive transformant ZU-910 with over-expressing lsm6 was identified on the culture plates using high concentration of acetate and re-screened by fermentation test. Fermentation by the recombinants was performed in a medium containing 80 g/L xylose and 2 g/L acetic acid or 20 g/L NH(4)Ac/NaAc. After 96 h shaking-flask fermentation, ZU-910 utilized 90.2% xylose with an ethanol yield of 26.9 g/L, which was 8.5- and 10-fold higher than ZU-E8. Further, in the corn stover hemicellulosic hydrolysate fermentation, both the xylose conversion and ethanol production by ZU-910 was larger by 50% and 40% than ZU-E8. ZU-910 has also enhanced tolerance against furfural and SO(4)(2-).
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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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Evidence ID | Analyze ID | File | Description |
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