When spheroplasts of the yeast Saccharomyces cerevisiae are cultured in liquid medium containing osmotic stabilizer, they undergo nuclear division and growth without cell division, resulting in the formation of giant spheroplasts with multinuclei. In this study, we report a simple method for the culture and stable maintenance of giant spheroplasts. The selection of culture media and cell concentration was found to be important for the growth and maintenance of giant spheroplasts. Among the conditions that we tested, static culture in a synthetic Burkholder's medium in 96-well U-bottomed culture plates was most effective. Under appropriate conditions, we could maintain giant spheroplasts for more than 6 days without proliferation of whole cells or marked lysis. The average diameter of spheroplasts can vary from 16 to 53µm, depending on their initial concentration.
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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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