New, orthogonal transcription factors in eukaryotic cells have been realized by engineering nuclease-deficient CRISPR-associated proteins and/or their guide RNAs. In this work, we present a new kind of orthogonal transcriptional activators, in Saccharomyces cerevisiae, made by turning type V CRISPR RNA into a scaffold RNA (ScRNA) able to recruit a variable number of VP64 activation domains. The activator arises from the complex between the synthetic ScRNA and DNase-deficient type V Cas proteins: dCas12e and denAsCas12a. The transcription activation achieved via the newly engineered dCas:ScRNA system is up to 4.7-fold higher than that obtained with the direct fusion of VP64 to Cas proteins. The new transcription factors have been proven to be functional in circuits such as Boolean gates, converters, multiplex-gene and metabolic-pathway activation. Our results extend the CRISPR-Cas-based technology with a new effective tool that only demands RNA engineering and improves the current design of transcription factors based on type V Cas proteins.
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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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