Results 41 to 50 of about 31,898 (266)

FACT modulates the conformations of histone H2A and H2B N-terminal tails within nucleosomes

open access: yesCommunications Biology, 2022
NMR experiments reveal distinct interactions of the histone chaperone, FACT, with the proximal and distal flexible histone H2A and H2B tails of the asymmetrically unwrapped nucleosome.
Yasuo Tsunaka   +2 more
doaj   +1 more source

Towards a mechanism for histone chaperones [PDF]

open access: yesBiochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms, 2012
Histone chaperones can be broadly defined as histone-binding proteins that influence chromatin dynamics in an ATP-independent manner. Their existence reflects the importance of chromatin homeostasis and the unique and unusual biochemistry of the histone proteins.
Elsässer SJ, D'Arcy S
openaire   +3 more sources

The Histone Chaperones SET/TAF‐1β and NPM1 Exhibit Conserved Functionality in Nucleosome Remodeling and Histone Eviction in a Cytochrome c‐Dependent Manner

open access: yesAdvanced Science, 2023
Chromatin homeostasis mediates essential processes in eukaryotes, where histone chaperones have emerged as major regulatory factors during DNA replication, repair, and transcription.
Pedro Buzón   +5 more
doaj   +1 more source

Histone transfer among chaperones [PDF]

open access: yesBiochemical Society Transactions, 2012
The eukaryotic processes of nucleosome assembly and disassembly govern chromatin dynamics, in which histones exchange in a highly regulated manner to promote genome accessibility for all DNA-dependent processes. This regulation is partly carried out by histone chaperones, which serve multifaceted roles in co-ordinating the interactions of histone ...
Wallace H, Liu, Mair E A, Churchill
openaire   +2 more sources

Histone chaperones regulate histone exchange during transcription [PDF]

open access: yesThe EMBO Journal, 2007
Transcription by RNA polymerase II is accompanied by dynamic changes in chromatin, including the eviction/deposition of nucleosomes or the covalent modification of histone subunits. This study examined the role of the histone H3/H4 chaperones, Asf1 and HIR, in histone mobility during transcription, with particular focus on the histone exchange pathway,
Hye-Jin, Kim   +4 more
openaire   +2 more sources

Chaperoning histones at the DNA repair dance

open access: yesDNA Repair, 2021
Unlike all other biological molecules that are degraded and replaced if damaged, DNA must be repaired as chromosomes cannot be replaced. Indeed, DNA endures a wide variety of structural damage that need to be repaired accurately to maintain genomic stability and proper functioning of cells and to prevent mutation leading to disease.
Ujani Chakraborty   +2 more
openaire   +3 more sources

HIRA, a DiGeorge Syndrome Candidate Gene, Confers Proper Chromatin Accessibility on HSCs and Supports All Stages of Hematopoiesis

open access: yesCell Reports, 2020
Summary: HIRA is a histone chaperone that deposits the histone variant H3.3 in transcriptionally active genes. In DiGeorge syndromes, a DNA stretch encompassing HIRA is deleted.
Chao Chen   +9 more
doaj   +1 more source

ATAD2 controls chromatin-bound HIRA turnover

open access: yesLife Science Alliance, 2021
Parallel study of multiple model systems points to the evolutionary conserved protein ATAD2, as a critical histone chaperone auxiliary factor. Taking advantage of the evolutionary conserved nature of ATAD2, we report here a series of parallel functional ...
Tao Wang   +17 more
doaj   +1 more source

Simplified Method for Rapid Purification of Soluble Histones

open access: yesCroatica Chemica Acta, 2016
Functional and structural studies of histone-chaperone complexes, nucleosome modifications, their interactions with remodelers and regulatory proteins rely on obtaining recombinant histones from bacteria.
Nives Ivić   +3 more
doaj   +1 more source

Dissecting regulatory pathways for transcription recovery following DNA damage reveals a non-canonical function of the histone chaperone HIRA

open access: yesNature Communications, 2021
How gene expression reactivation is promoted following DNA damage is not yet clear. Here, the authors identify a role for the human histone chaperone complex HIRA in transcription restart following UV damage independently of its function in new H3.3 ...
Déborah Bouvier   +5 more
doaj   +1 more source

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