The possible role of border factors in determining the nucleosome positioning on a DNA sequence was investigated. To this end a family of recombinant plasmids based on Gal10Cyc1 promoter and neomycin phosphotransferase gene NPTII were created. A DNA sequence adjoining the GalCyc promoter was varied in these plasmids. Three nearly equally represented nucleosome positions on the GalCyc promoter were found. In the basal plasmid an FRT sequence adjoins the GalCyc promoter at the right. It contains an internal signal of multiple positioning. Its replacement with different DNA sequences does not affect nucleosome positioning on the GalCyc promoter. The nucleosome positioning on the GalCyc promoter does not depend on nucleosome positioning (or its absence) on adjoining sequences. The same is true for nucleosome positioning on FRT sequence. It was found also that nucleosomes' positioning on the NPTII gene and their mutual disposition, namely the spacing between neighboring nucleosomes (linker length) are determined by the location of positioning signals only. Generally the nucleosome positioning in our experimental model is determined solely by internal DNA sequence occupied by nucleosome. On the other hand, the action of this internal positioning signal does not extend to neighboring DNA sequences.
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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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