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Comprehensive analysis of epigenetic signatures of human transcription control †

Résumé : Advances in sequencing technologies have enabled exploration of epigenetic and transcription profiles at a genome-wide level. The epigenetic and transcriptional landscape is now available in hundreds of mammalian cell and tissue contexts. Many studies have performed multi-omics analyses using these datasets to enhance our understanding of relationships between epigenetic modifications and transcription regulation. Nevertheless, most studies so far have focused on the promoters/enhancers and transcription start sites, and other features of transcription control including exons, introns and transcription termination remain under explored. We investigated interplay between epigenetic modifications and diverse transcription features using the data generated by the Roadmap Epigenomics project. A comprehensive analysis of histone modifications, DNA methylation, and RNA-seq data of about thirty human cell lines and tissue types, allowed us to confirm the generality of previously described relations, as well as to generate new hypotheses about the interplay between epigenetic modifications and transcript features. Importantly, our analysis included previously under-explored features of transcription control namely, transcription termination sites, exon-intron boundaries, middle exons and exon inclusion ratio. We have made the analyses freely available to the scientific community at joshiapps.cbu.uib.no/perepigenomics_app/ for easy exploration, validation and hypotheses generation.
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https://hal.inrae.fr/hal-02952386
Contributor : Guillaume Devailly <>
Submitted on : Tuesday, September 29, 2020 - 12:40:37 PM
Last modification on : Tuesday, September 29, 2020 - 12:40:38 PM

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Guillaume Devailly, Anagha Joshi. Comprehensive analysis of epigenetic signatures of human transcription control †. 2020. ⟨hal-02952386⟩

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