A mannose-6-phosphate isomerase (MPI) from Geobacillus thermodenitrificans was expressed and successfully encapsulated into the Saccharomyces cerevisiae spores. Our results demonstrated that compared to the free enzyme, the MPI triple mutant encapsulated in osw2Δ spores exhibited much preferred enzymatic properties, such as enhanced catalytic activity, excellent reusability, thermostability, and tolerance to various harsh conditions. In combination with an l-arabinose isomerase (AI) also from G. thermodenitrificans, this technique of spore encapsulation was applied for producing a high-value rare sugar l-ribose from biomass-derived l-arabinose. Using a 10 mL reaction system, 350 mg of l-ribose was produced from 1 g of l-arabinose with a conversion yield of 35% by repeatedly reacting with 200 mg of AI-encapsulated spores and 300 mg of MPI-encapsulated spores. This study provides a very useful and concise approach for the synthesis of rare sugars and other useful compounds.
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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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