The processive endoglucanase Cel9A of the moderately thermophilic actinomycete Thermobifida fusca was functionally produced in Saccharomyces cerevisiae. Recombinant Cel9A displayed activity on both soluble (carboxymethylcellulose) and insoluble (Avicel) cellulose substrates confirming its processive endoglucanase activity. High-performance anionic exchange chromatography analyses of soluble sugars released from Avicel revealed a cellobiose/glucose ratio of 2.5 +/- 0.1. Growth by the recombinant strain on amorphous cellulose was possible due to the sufficient amount of glucose cleaved from the cellulose chain. This is the first confirmed report of S. cerevisiae growing on a cellulosic substrate as sole carbohydrate source while only expressing one recombinant gene. To improve the cellulolytic capability of S. cerevisiae and to investigate the level of synergy among cellulases produced by a recombinant host, the cel9A gene was co-expressed with four cellulase-coding genes of Trichoderma reesei: two endoglucanases cel5A (egII) and cel7B (egI), and two cellobiohydrolases cel6A (cbhII) and cel7A (cbhI). Synergy, especially between the Cel9A and the two cellobiohydrolases, resulted in a higher cellulolytic capability of the recombinant host.
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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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