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Título: | Human histone H1 variants impact splicing outcome by controlling RNA polymerase II elongation |
Autor: | Pascal, Corina; Zonszain, Jonathan; Hameiri, Ofir; Gargi-Levi, Chen; Lev-Maor, Galit; Tammer, Luna; Levy, Tamar; Tarabeih, Anan; Roy, Vanessa Rachel; Ben-Salmon, Stav; Elbaz, Liraz; Eid, Mireille; Hakim, Tamar; Abu Rabe'a, Salima; Shalev, Nana; Jordan, Albert CSIC ORCID ; Meshorer, Eran; Ast, Gil | Palabras clave: | H1 histones Alternative splicing RNA polymerase II elongation ChIP-seq RNA-seq PRO-seq GC content Exon skipping Intron retention |
Fecha de publicación: | 2-nov-2023 | Editor: | Cell Press | Citación: | Molecular Cell 83: 3801-3817.e8 (2023) | Resumen: | Histones shape chromatin structure and the epigenetic landscape. H1, the most diverse histone in the human genome, has 11 variants. Due to the high structural similarity between the H1s, their unique functions in transferring information from the chromatin to mRNA-processing machineries have remained elusive. Here, we generated human cell lines lacking up to five H1 subtypes, allowing us to characterize the genomic binding profiles of six H1 variants. Most H1s bind to specific sites, and binding depends on multiple factors, including GC content. The highly expressed H1.2 has a high affinity for exons, whereas H1.3 binds intronic sequences. H1s are major splicing regulators, especially of exon skipping and intron retention events, through their effects on the elongation of RNA polymerase II (RNAPII). Thus, H1 variants determine splicing fate by modulating RNAPII elongation. | Versión del editor: | https://doi.org/10.1016/j.molcel.2023.10.003 | URI: | http://hdl.handle.net/10261/351524 | DOI: | 10.1016/j.molcel.2023.10.003 | ISSN: | 1097-2765 | E-ISSN: | 1097-4164 |
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