Detailed Information on Publication Record
2023
Histone H1 protects telomeric repeats from H3K27me3 invasion in Arabidopsis
TEANO, Gianluca, Lorenzo CONCIA, Lea WOLFF, Leopold CARRON, Ivona BIOCANIN et. al.Basic information
Original name
Histone H1 protects telomeric repeats from H3K27me3 invasion in Arabidopsis
Authors
TEANO, Gianluca, Lorenzo CONCIA, Lea WOLFF, Leopold CARRON, Ivona BIOCANIN, Kateřina ADAMUSOVÁ (203 Czech Republic, belonging to the institution), Miloslava FOJTOVÁ (203 Czech Republic, belonging to the institution), Michael BOURGE, Amira KRAMDI, Vincent COLOT, Ueli GROSSNIKLAUS, Chris BOWLER, Celia BAROUX, Alessandra CARBONE, Aline V PROBST, Petra PROCHÁZKOVÁ SCHRUMPFOVÁ (203 Czech Republic, belonging to the institution), Jiří FAJKUS (203 Czech Republic, belonging to the institution), Simon AMIARD, Stefan GROB, Clara BOURBOUSSE and Fredy BARNECHE (guarantor)
Edition
Cell Reports, Elsevier, 2023, 2211-1247
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10611 Plant sciences, botany
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 8.800 in 2022
RIV identification code
RIV/00216224:14740/23:00133328
Organization unit
Central European Institute of Technology
UT WoS
001057847700001
Keywords in English
3D chromosome organization; Arabidopsis; chromatin accessibility; CP: Molecular biology; CP: Plants; H3K27me3; linker histone H1; Polycomb; telomere; Telomere Repeat Binding protein; TRB
Tags
Tags
International impact, Reviewed
Změněno: 9/3/2024 12:09, Mgr. Eva Dubská
Abstract
V originále
While the pivotal role of linker histone H1 in shaping nucleosome organization is well established, its func-tional interplays with chromatin factors along the epigenome are just starting to emerge. Here we show that, in Arabidopsis, as in mammals, H1 occupies Polycomb Repressive Complex 2 (PRC2) target genes where it favors chromatin condensation and H3K27me3 deposition. We further show that, contrasting with its conserved function in PRC2 activation at genes, H1 selectively prevents H3K27me3 accumulation at telo-meres and large pericentromeric interstitial telomeric repeat (ITR) domains by restricting DNA accessibility to Telomere Repeat Binding (TRB) proteins, a group of H1-related Myb factors mediating PRC2 cis recruitment. This study provides a mechanistic framework by which H1 avoids the formation of gigantic H3K27me3-rich domains at telomeric sequences and contributes to safeguard nucleus architecture.
Links
GX20-01331X, research and development project |
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LTC20003, research and development project |
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