Chromatin is the complex of DNA, histone and non-histone proteins, and RNA that packages the eukaryotic genome within the nucleus. Its fundamental unit is the nucleosome, in which DNA wraps around a histone octamer, allowing the long genome to be compacted while remaining accessible for regulated use. Chromatin exis…
Chromatin is the complex of DNA, histone and non-histone proteins, and RNA that packages the eukaryotic genome within the nucleus. Its fundamental unit is the nucleosome, in which DNA wraps around a histone octamer, allowing the long genome to be compacted while remaining accessible for regulated use. Chromatin exists along a continuum from open, transcriptionally permissive euchromatin to condensed, silenced heterochromatin, and its state is dynamically modulated by histone modifications, DNA methylation, chromatin-remodeling complexes, and the binding of transcription factors at regulatory sites. Through these mechanisms chromatin governs gene expression, DNA replication, repair, and chromosome segregation, and constitutes the substrate of epigenetic regulation that shapes development, cellular identity, and responses to environmental and disease states; its dysregulation contributes to cancer and developmental disorders. Research relevant to this area examines transcription-factor binding sites and regulatory single-nucleotide polymorphisms in disease and in high-altitude adaptation, epigenetic and signaling control of cell self-renewal and proliferation, molecular control of human embryonic development, Wnt-pathway regulation of cell development, and the analysis of conserved eukaryotic signature proteins. This peer-reviewed literature reflects the structural organization, transcriptional regulation, and epigenetic dimensions of chromatin in gene expression and development, situating chromatin biology within the broader molecular study of organisms across plant and animal systems.
12 peer-reviewed articles, ranked by relevance. Each links to its DOI.
The 12 articles above have been cited 79 times in the scholarly literature. Citation data via OpenAlex and Crossref, updated Jun 2026.
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