The development of D-glucaric acid (GA) production in recombinant cells has leapt forward in recent years, and higher throughput screening and selection of better-performing recombinant cells or biocatalysts is in current demand. A biosensor system which converts GA concentration into fluorescence signal in Escherichia coli was developed in 2016, but its application has rarely been reported. Herein, an effective high-throughput screening approach independent of special-purpose devices such as microfluidic platforms was established and tentatively applied. In this one-pot two-strain system, GA producers-bacterial or yeast cells containing the GA biosynthetic pathway-were sorted with the help of another E. coli strain acting as a GA biosensor. The identification of highly active mutants of myo-inositol oxygenase through this system validates its effectiveness in sorting E. coli cells. Subsequently, accurate ranking of the GA synthesis capacity of a small library of Saccharomyces cerevisiae strains containing distinct GA synthesis pathways demonstrated that this optimized one-pot two-strain system may also be used for eukaryotic producer strains. These results will assist in research into metabolic engineering for GA production and development of biosensor applications.
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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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