Mitochondrial ribosomal protein L32 (MrpL32) of Saccharomyces cerevisiae is homologous to the bacterial L32 ribosomal protein. MrpL32 carries an N-terminal mitochondrion-targeting sequence (MTS) and is about 60 amino acid residues longer at the C-terminus. Adding to its function as a leader sequence, the MTS of MrpL32 has been reported to regulate ribosome biogenesis through its processing by m-AAA protease. However, the function of the C-terminal extension (CE) remains totally unknown. Therefore, we constructed a series of C-terminally truncated mrpl32 (mrpl32ΔC) genes and expressed them in a Δmrpl32 mutant to examine their function. Interestingly, some MrpL32ΔC derivatives exhibited temperature-sensitive (ts) growth on medium with non-fermentable carbon sources. Furthermore, the CE domain of MrpL32, expressed separately from MrpL32ΔC, could rescue the ts phenotype of mutants by improving mitochondrial protein synthesis.
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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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