This study provided a system for bacteria detection based on a lysosome-like-vacuole response in the yeast Saccharomyces cerevisiae. Vacuoles are factors known to activate the immune system in the presence of foreign substances. Here, Shigella sonnei and Shigella flexneri were exposed to yeast to analyze the alteration of vacuolar enzymes. The ability to detect the bacteria was evaluated by confocal microscopy after exposing and staining vacuoles with LysoTracker. Results showed that the treatment of yeast with these bacteria increased the number of red vacuole-like organelles surrounding yeast nuclei. Thus, vacuole alteration can be used as a biomarker for bacteria detection. Next, the expression of vacuolar enzymes under the influence of bacteria was examined using two-dimensional gel electrophoresis (2-DE) method for screening specific biomarkers for each Shigella strain. Finally, the recombinant yeasts that contained biomarkers fused to different fluorescent proteins confirmed the ability of yeast to detect these two Shigella strains at concentrations ranging from 10 to 100 CFU/mL.
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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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