The Saccharomyces cerevisiae genes RHO1 and MRP2 are convergently transcribed, with 281 base pairs separating their termination codons. Transcript mapping revealed at least 111 base pairs within the RHO1-MRP2 intercoding region are transcribed in both directions. Transplacement experiments showed distinct sequences of 70 nt for MRP2 and 179 nt for RHO1 were sufficient for normal mRNA 3' end formation. The MRP2 signal functioned in either orientation, although relatively inefficiently in the non-native orientation. This element contains a polyAT sequence essential for 3' end formation in both orientations. RHO1 or MRP2 3' end formation was not affected by overproduction or elimination of the complementary, natural antisense transcript. In contrast, insertion of a strong promoter that extended antisense transcripts beyond their normal 3' ends inactivated either MRP2 or RHO1. These data suggest that transcript termination in the compact yeast genome can be important to prevent inactivation of downstream genes as a result of antisense transcription.
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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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