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Single-cell profiling of histone modifications and transcription in developmental systems with EpiDamID

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Danio rerio Mus musculus Homo sapiens

PROVIDER: GSE184036 | GEO | 2022/04/01

REPOSITORIES: GEO

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Single-cell profiling of transcriptome and histone modifications with EpiDamID.

Project description:Recent advances in single-cell sequencing technologies have enabled simultaneous measurement of multiple cellular modalities, but the combined detection of histone post-translational modifications and transcription at single-cell resolution has remained limited. Here, we introduce EpiDamID, an experimental approach to target a diverse set of chromatin types by leveraging the binding specificities of single-chain variable fragment antibodies, engineered chromatin reader domains, and endogenous chromatin-binding proteins. Using these, we render the DamID technology compatible with the genome-wide identification of histone post-translational modifications. Importantly, this includes the possibility to jointly measure chromatin marks and transcription at the single-cell level. We use EpiDamID to profile single-cell Polycomb occupancy in mouse embryoid bodies and provide evidence for hierarchical gene regulatory networks. In addition, we map H3K9me3 in early zebrafish embryogenesis, and detect striking heterochromatic regions specific to notochord. Overall, EpiDamID is a new addition to a vast toolbox to study chromatin states during dynamic cellular processes.

| S-EPMC9153956 | biostudies-literature

Single-cell profiling of histone modifications and transcription in developmental systems with EpiDamID [zebrafish]