Telomerase is the ribonucleoprotein complex that adds telomeric repeats to the ends of chromosomes. Its protein subunit TERT is highly conserved among eukaryotes, whereas the RNA subunit varies greatly in size and sequence, hindering the identification of telomerase RNAs in some important model organisms. Here we report the identification and functional characterization of TER1, the telomerase RNA component from fission yeast Schizosaccharomyces pombe. Deletion of ter1+ caused progressive shortening of telomeres and cellular senescence followed by chromosome circularization. Interactions between Est1 and Trt1, the two known protein components of fission yeast telomerase, were dependent on TER1, supporting its role as a scaffold for the assembly of protein subunits. Using a series of template mutations, we show that translocation or dissociation site variability and template-primer slippage account for the sequence heterogeneity of fission yeast telomeres.
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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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