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SUN protein regulates transcription-associated epigenetic modification

ABSTRACT: We report the difference of genome-wide chromatin profiling of histone modifications in mammalian cells after PBS or LPS treatment. By obtaining over four billion bases of sequence from chromatin immunoprecipitated DNA, we generated genome-wide chromatin-state maps of mouse peritoneal macrophages. We find that lysine 4 and lysine 9 trimethylation effectively discriminates genes that are expressed, poised for expression, or stably repressed, and therefore reflect cell state and lineage potential.Trimethylation of lysine 9 is detected at satellite, telomeric and active long-terminal repeats, and can spread into proximal unique sequences. Lysine 4 and lysine 9 trimethylation marks imprinting control regions. Finally, we show that chromatin state can be read in an allele-specific manner by using single nucleotide polymorphisms. This study provides a framework for the application of comprehensive chromatin profiling towards characterization of mammalian cells after LPS treatment.

ORGANISM(S): Mus musculus

PROVIDER: GSE102252 | GEO | 2019/08/04

REPOSITORIES: GEO

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