Publication: Histone H1 protects telomeric repeats from H3K27me3 invasion in Arabidopsis
Histone H1 protects telomeric repeats from H3K27me3 invasion in Arabidopsis
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Teano, G., Concia, L., Carron, L., Wolff, L., Adamusová, K., Fojtová, M., Bourge, M., Kramdi, A., Colot, V., Grossniklaus, U., Bowler, C., Baroux, C., Carbone, A., Probst, A. V., Procházková Schrumpfová, P., Fajkus, J., Amiard, S., Grob, S., Bourbousse, C., & Barneche, F. (2020). Histone H1 protects telomeric repeats from H3K27me3 invasion in Arabidopsis (No. 402172; BioRxiv). https://doi.org/10.1101/2020.11.28.402172
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Linker histones play a pivotal role in shaping chromatin architecture, notably through their globular H1 (GH1) domain that contacts the nucleosome and linker DNA. Yet, the interplay of H1 with chromatin factors along the epigenome landscape is poorly understood. Here, we report that Arabidopsis H1 favors chromatin compaction and H3K27me3 marking on a majority of Polycomb-targeted protein-coding genes while preventing H3K27me3 accumulation on telomeres and pericentromeric interstitial telomeric repeats (ITRs). These contrasting effects
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Teano, G., Concia, L., Carron, L., Wolff, L., Adamusová, K., Fojtová, M., Bourge, M., Kramdi, A., Colot, V., Grossniklaus, U., Bowler, C., Baroux, C., Carbone, A., Probst, A. V., Procházková Schrumpfová, P., Fajkus, J., Amiard, S., Grob, S., Bourbousse, C., & Barneche, F. (2020). Histone H1 protects telomeric repeats from H3K27me3 invasion in Arabidopsis (No. 402172; BioRxiv). https://doi.org/10.1101/2020.11.28.402172