Results 51 to 60 of about 110,529 (257)

The replacement histone H2A.Z in a hyperacetylated form is a feature of active genes in the chicken [PDF]

open access: yes, 2005
The replacement histone H2A.Z is variously reported as being linked to gene expression and preventing the spread of heterochromatin in yeast, or concentrated at heterochromatin in mammals.
Bonifer, C.   +8 more
core   +5 more sources

How HP1 Post-Translational Modifications Regulate Heterochromatin Formation and Maintenance

open access: yesCells, 2020
Heterochromatin Protein 1 (HP1) is a highly conserved protein that has been used as a classic marker for heterochromatin. HP1 binds to di- and tri-methylated histone H3K9 and regulates heterochromatin formation, functions and structure.
Raquel Sales-Gil, Paola Vagnarelli
doaj   +1 more source

Patterns of Heterochromatin Transitions Linked to Changes in the Expression of Plasmodium falciparum Clonally Variant Genes

open access: yesMicrobiology Spectrum, 2023
The survival of malaria parasites in the changing human blood environment largely depends on their ability to alter gene expression by epigenetic mechanisms.
Lucas Michel-Todó   +6 more
doaj   +1 more source

Heterochromatin Dynamics

open access: yesPLoS Biology, 2003
Heterochromatin is usually thought of as a stable and inactive region of the genome.
openaire   +5 more sources

The analysis of pendolino (peo) mutants reveals differences in the fusigenic potential among Drosophila telomeres [PDF]

open access: yes, 2015
Drosophila telomeres are sequence-independent structures that are maintained by transposition to chromosome ends of three specialized retroelements (HeT-A, TART and TAHRE; collectively designated as HTT) rather than telomerase activity. Fly telomeres are
Burla, Romina   +8 more
core   +3 more sources

The cAMP signaling pathway regulates Epe1 protein levels and heterochromatin assembly.

open access: yesPLoS Genetics, 2022
The epigenetic landscape of a cell frequently changes in response to fluctuations in nutrient levels, but the mechanistic link is not well understood.
Kehan Bao   +11 more
doaj   +1 more source

Imaging the Response to DNA Damage in Heterochromatin Domains

open access: yesFrontiers in Cell and Developmental Biology, 2022
The eukaryotic genome is assembled in a nucleoprotein complex called chromatin, whose organization markedly influences the repair of DNA lesions. For instance, compact chromatin states, broadly categorized as heterochromatin, present a challenging ...
Audrey Chansard   +3 more
doaj   +1 more source

Karyotype evolution in progress: A new diploid number in Belostoma candidulum (Heteroptera: Belostomatidae) from Argentina leading to new insights into its ecology and evolution [PDF]

open access: yes, 2014
A novel chromosome complement (2n = 14 = 12 + XY/XX; male/female sex chromosomes), male meiosis behaviour, heterochromatin characterization, and frequency and distribution of chiasmata are described for the first time in specimens from a natural ...
Bressa, Maria Jose   +1 more
core   +1 more source

The composition and organization of Drosophila heterochromatin are heterogeneous and dynamic

open access: yeseLife, 2016
Heterochromatin is enriched for specific epigenetic factors including Heterochromatin Protein 1a (HP1a), and is essential for many organismal functions.
Joel M Swenson   +4 more
doaj   +1 more source

Heterochromatin as an Important Driver of Genome Organization

open access: yesFrontiers in Cell and Developmental Biology, 2020
Heterochromatin is a constituent of eukaryotic genomes with functions spanning from gene expression silencing to constraining DNA replication and repair.
Andrés Penagos-Puig   +1 more
doaj   +1 more source

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