Results 71 to 80 of about 109,383 (351)

DDM1 and Lsh remodelers allow methylation of DNA wrapped in nucleosomes

open access: yeseLife, 2017
Cytosine methylation regulates essential genome functions across eukaryotes, but the fundamental question of whether nucleosomal or naked DNA is the preferred substrate of plant and animal methyltransferases remains unresolved. Here, we show that genetic
David B. Lyons, Daniel Zilberman
semanticscholar   +1 more source

Inheritance of CENP-A Nucleosomes during DNA Replication Requires HJURP.

open access: yesDevelopmental Cell, 2018
Centromeric chromatin defines the site of kinetochore formation and ensures faithful chromosome segregation. Centromeric identity is epigenetically specified by the incorporation of CENP-A nucleosomes. DNA replication presents a challenge for inheritance
E. Zasadzinska   +9 more
semanticscholar   +1 more source

Quantitative single-molecule microscopy reveals that CENP-A(Cnp1) deposition occurs during G2 in fission yeast [PDF]

open access: yes, 2012
The inheritance of the histone H3 variant CENP-A in nucleosomes at centromeres following DNA replication is mediated by an epigenetic mechanism. To understand the process of epigenetic inheritance, or propagation of histones and histone variants, as ...
Allshire, Robin C   +11 more
core   +3 more sources

Extracellular histones, cell-free DNA, or nucleosomes: differences in immunostimulation

open access: yesCell Death and Disease, 2016
In inflammation, extensive cell death may occur, which results in the release of chromatin components into the extracellular environment. Individually, the purified chromatin components double stranded (ds)DNA and histones have been demonstrated, both in
G. Marsman, S. Zeerleder, B. Luken
semanticscholar   +1 more source

Epigenetic Regulation of Viral Biological Processes

open access: yesViruses, 2017
It is increasingly clear that DNA viruses exploit cellular epigenetic processes to control their life cycles during infection. This review will address epigenetic regulation in members of the polyomaviruses, adenoviruses, human papillomaviruses ...
Lata Balakrishnan, Barry Milavetz
doaj   +1 more source

The insulator binding protein CTCF positions 20 nucleosomes around its binding sites across the human genome. [PDF]

open access: yesPLoS Genetics, 2008
Chromatin structure plays an important role in modulating the accessibility of genomic DNA to regulatory proteins in eukaryotic cells. We performed an integrative analysis on dozens of recent datasets generated by deep-sequencing and high-density tiling ...
Yutao Fu   +3 more
doaj   +1 more source

Single molecule analysis of CENP-A chromatin by high-speed atomic force microscopy

open access: yeseLife, 2023
Chromatin accessibility is modulated in a variety of ways to create open and closed chromatin states, both of which are critical for eukaryotic gene regulation.
Daniël P Melters   +4 more
doaj   +1 more source

Circulating Nucleosomes and Nucleosome Modifications as Biomarkers in Cancer

open access: yesCancers, 2017
Traditionally the stratification of many cancers involves combining tumour and clinicopathological features (e.g., patient age; tumour size, grade, receptor status and location) to inform treatment options and predict recurrence risk and survival ...
P. McAnena, James A. L. Brown, M. Kerin
semanticscholar   +1 more source

Ctf4 organizes sister replisomes and Pol α into a replication factory

open access: yeseLife, 2019
The current view is that eukaryotic replisomes are independent. Here we show that Ctf4 tightly dimerizes CMG helicase, with an extensive interface involving Psf2, Cdc45, and Sld5. Interestingly, Ctf4 binds only one Pol α-primase.
Zuanning Yuan   +8 more
doaj   +1 more source

Mutant NPM1 in Acute Myeloid Leukemia Initiation and Maintenance

open access: yesAging and Cancer, EarlyView.
NPM1 mutations drive acute myeloid leukemia by acting as neomorphic transcriptional regulators that cooperate with Menin–MLL and XPO1 to sustain HOX/MEIS1 expression and block differentiation. Targeting these mutant‐specific transcriptional dependencies provides a rational therapeutic strategy for NPM1‐mutated AML.
Yanan Jiang   +3 more
wiley   +1 more source

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