Biogenesis of eukaryotic box C/D small nucleolar ribonucleoproteins (C/D snoRNPs) is guided by conserved trans-acting factors that act collectively to assemble the core proteins SNU13/Snu13, NOP58/Nop58, NOP56/Nop56, FBL/Nop1, and box C/D small nucleolar RNAs (C/D snoRNAs), in human and in yeast, respectively. This finely elaborated process involves the sequential interplay of snoRNP-related proteins and RNA through the formation of transient pre-RNP complexes. BCD1/Bcd1 protein is essential for yeast cell growth and for the specific accumulation of box C/D snoRNAs. In this work, chromatin, RNA, and protein immunoprecipitation assays revealed the ordered loading of several snoRNP-related proteins on immature and mature snoRNA species. Our results identify Bcd1p as an assembly factor of C/D snoRNP biogenesis that is likely recruited cotranscriptionally and that directs the loading of the core protein Nop58 on RNA.
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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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