Along with the widespread development of their bioapplications, concerns about the biosafety of quantum dots (QDs) have increasingly attracted intensive attention. This study examines the toxic effect and subcellular location of cadmium telluride (CdTe) QDs with different sizes against yeast Saccharomyces cerevisiae. The innovative approach is based on the combination of microcalorimetric, spectroscopic, electrochemical, and microscopic methods, which allows analysis of the toxic effect of CdTe QDs on S. cerevisiae and its mechanism. According to the values of the half inhibitory concentration (IC(50)), CdTe QDs exhibit marked cytotoxicity in yeast cells at concentrations as low as 80.81 nmol L(-1) for green-emitting CdTe QDs and 17.07 nmol L(-1) for orange-emitting CdTe QDs. QD-induced cell death is characterized by cell wall breakage and cytoplasm blebbing. These findings suggest that QDs with sizes ranging from 4.1 to 5.8 nm can be internalized into yeast cells, which then leads to QD-induced cytotoxicity. These studies provide valuable information for the design and development of aqueous QDs for biological 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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