The growths of Saccharomyces cerevisiae wild-type strain and another strain containing a disrupted structural gene for chitin synthase (chs1::URA3), defective in chitin synthase 1 (Chs1) but showing a new chitin synthase activity (Chs2), were affected by Calcofluor. To be effective, the interaction of Calcofluor with growing cells had to occur at around pH 6. Treatment of growing cells from these strains with the fluorochrome led to an increase in the total levels of Chs1 and Chs2 activities measured on permeabilized cells. During treatment, basal levels (activities expressed in the absence of exogenous proteolytic activation) of Chs1 and Chs2 increased nine- and fourfold, respectively, through a mechanism dependent on protein synthesis, since the effect was abolished by cycloheximide. During alpha-factor treatment, both Chs1 and Chs2 levels increased; however, as opposed to what occurred during the mitotic cell cycle, there was no further increase in Chs1 or Chs2 activities by Calcofluor treatment.
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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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