Results 11 to 20 of about 85,707 (260)

53BP1 regulates heterochromatin through liquid phase separation

open access: yesNature Communications, 2022
Human 53BP1 is primarily known as a key player in regulating DNA double strand break (DSB) repair choice; however, its involvement in other biological process is less well understood.
Lei Zhang   +18 more
semanticscholar   +1 more source

Different behaviour of C-banded peri-centromeric heterochromatin between sex chromosomes and autosomes in Polyphagan beetles [PDF]

open access: yesComparative Cytogenetics, 2019
Heterochromatin variation was studied after C-banding of male karyotypes with a XY sex formula from 224 species belonging to most of the main families of Coleoptera.
Anne-Marie Dutrillaux   +1 more
doaj   +3 more sources

Single-cell epigenome analysis reveals age-associated decay of heterochromatin domains in excitatory neurons in the mouse brain

open access: yesCell Research, 2022
Loss of heterochromatin has been implicated as a cause of pre-mature aging and age-associated decline in organ functions in mammals; however, the specific cell types and gene loci affected by this type of epigenetic change have remained unclear.
Yanxiao Zhang   +10 more
semanticscholar   +1 more source

SIRT3 consolidates heterochromatin and counteracts senescence

open access: yesNucleic Acids Research, 2021
Sirtuin 3 (SIRT3) is an NAD+-dependent deacetylase linked to a broad range of physiological and pathological processes, including aging and aging-related diseases. However, the role of SIRT3 in regulating human stem cell homeostasis remains unclear. Here
Zhiqing Diao   +15 more
semanticscholar   +1 more source

Rbm10 facilitates heterochromatin assembly via the Clr6 HDAC complex

open access: yesEpigenetics & Chromatin, 2021
Splicing factors have recently been shown to be involved in heterochromatin formation, but their role in controlling heterochromatin structure and function remains poorly understood.
Martina Weigt   +7 more
doaj   +1 more source

Functional crosstalk between mTORC1/p70S6K pathway and heterochromatin organization in stress-induced senescence of MSCs

open access: yesStem Cell Research & Therapy, 2020
Background Stem cell senescence has been proposed as one of the major drivers of aging, and MSC senescence contributes to aging-related diseases. Activation of mTORC1 pathway and heterochromatin organization have been characterized as two characteristics
Hailong Liu   +7 more
doaj   +1 more source

PRR14 organizes H3K9me3-modified heterochromatin at the nuclear lamina

open access: yesNucleus, 2023
The eukaryotic genome is organized in three dimensions within the nucleus. Transcriptionally active chromatin is spatially separated from silent heterochromatin, a large fraction of which is located at the nuclear periphery.
Anna A. Kiseleva   +4 more
doaj   +1 more source

Rapid epigenetic adaptation to uncontrolled heterochromatin spreading

open access: yeseLife, 2015
Heterochromatin, a highly compact chromatin state characterized by histone H3K9 methylation and HP1 protein binding, silences the underlying DNA and influences the expression of neighboring genes.
Jiyong Wang, Bharat D Reddy, Songtao Jia
doaj   +1 more source

Maternal depletion of Piwi, a component of the RNAi system, impacts heterochromatin formation in Drosophila. [PDF]

open access: yesPLoS Genetics, 2013
A persistent question in epigenetics is how heterochromatin is targeted for assembly at specific domains, and how that chromatin state is faithfully transmitted.
Tingting Gu, Sarah C R Elgin
doaj   +1 more source

Genome mapping and characterization of the Anopheles gambiae heterochromatin

open access: yesBMC Genomics, 2010
Background Heterochromatin plays an important role in chromosome function and gene regulation. Despite the availability of polytene chromosomes and genome sequence, the heterochromatin of the major malaria vector Anopheles gambiae has not been mapped and
Sharakhova Maria V   +6 more
doaj   +1 more source

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