Gametogenesis requires the successful coordination of two key processes, meiotic nuclear division and gamete morphogenesis. A central regulatory step in progression through gametogenesis occurs at the pachytene stage of meiotic prophase. We find that Ndt80 functions at pachytene of yeast gametogenesis (sporulation) to activate transcription of a set of genes required for both meiotic division (e.g., B-type cyclins) and gamete formation (e.g., SPS1). Ectopic synthesis of Ndt80 in vegetative cells induces transcription of these genes, and recombinant Ndt80 protein binds to a conserved sequence in their upstream region. Transcription of NDT80 itself is dependent on Ime1, which activates expression of early sporulation genes. Transcription of the Ndt80-regulated gene CLB1 is mediated by the checkpoint gene RAD17. Thus Ndt80 is a pivotal component of a transcriptional cascade programming yeast gametogenesis and may also be a target of meiotic checkpoint control.
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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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