RAS2val19, a dominant activated form of Saccharomyces cerevisiae Ras2, stimulates both filamentous growth and expression of a transcriptional reporter FG(TyA)::lacZ but does not induce the mating pathway reporter FUS1::lacZ. This induction depends upon elements of the conserved mitogen-activated protein kinase (MAPK) pathway that is required for both filamentous growth and mating, two distinct morphogenetic events. Full induction requires Ste20 (homolog of mammalian p65PAK protein kinases), Ste11 [an MEK kinase (MEKK) or MAPK kinase (MEK) kinase], Ste7 (MEK or MAPK kinase), and the transcription factor Ste12. Moreover, the Rho family protein Cdc42, a conserved morphogenetic G protein, is also a potent regulator of filamentous growth and FG(TyA)::lacZ expression in S. cerevisiae. Stimulation of both filamentous growth and FG(TyA)::lacZ by Cdc42 depends upon Ste20. In addition, dominant negative CDC42Ala118 blocks RAS2val19 activation, placing Cdc42 downstream of Ras2. Our results suggest that filamentous growth in budding yeast is regulated by an evolutionarily conserved signaling pathway that controls cell morphology.
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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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