Epigenetic regulation of higher-order chromatin structure controls gene expression and the assembly of chromosomal domains during cell division, differentiation, and development. The proposed "histone code" integrates a complex system of histone modifications and chromosomal proteins that establish and maintain distinctive types of chromatin, such as euchromatin, heterochromatin, and centromeric (CEN) chromatin. The reversible nature of histone acetylation, phosphorylation, and (most recently discovered) methylation are mechanisms for controlling gene expression and partitioning the genome into functional domains. Many different regions of the genome contain similar epigenetic marks (histone modifications), raising the question as to how they are independently specified and regulated. In this review, we will focus on several recent discoveries in chromatin and chromosome biology: (1) identification of long-elusive histone "de-methylating" enzymes that affect chromatin structure, and (2) assembly and maintenance of chromatin domains, specifically heterochromatin and euchromatin, through a dynamic equilibrium of modifying enzymes, histone modifications, and histone variants identified biochemically and genetically.
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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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