Results 41 to 50 of about 117,333 (292)
The composition and organization of Drosophila heterochromatin are heterogeneous and dynamic
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
How HP1 Post-Translational Modifications Regulate Heterochromatin Formation and Maintenance
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
Imaging the Response to DNA Damage in Heterochromatin Domains
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
The cAMP signaling pathway regulates Epe1 protein levels and heterochromatin assembly.
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
Summary: Heterochromatin formation requires three distinct steps: nucleation, self-propagation (spreading) along the chromosome, and faithful maintenance after each replication cycle.
Magdalena Murawska +7 more
doaj +1 more source
ATXR5 and ATXR6 are H3K27 monomethyltransferases required for chromatin structure and gene silencing. [PDF]
Constitutive heterochromatin in Arabidopsis thaliana is marked by repressive chromatin modifications, including DNA methylation, histone H3 dimethylation at Lys9 (H3K9me2) and monomethylation at Lys27 (H3K27me1).
Bernatavichute, Yana V +9 more
core +1 more source
Heterochromatin is usually thought of as a stable and inactive region of the genome.
openaire +5 more sources
Heterochromatin as an Important Driver of Genome Organization
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
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
Positional changes of pericentromeric heterochromatin and nucleoli in postmitotic Purkinje cells during murine cerebellum development [PDF]
Previous studies revealed changes of pericentromeric heterochromatin arrangements in postmitotic Purkinje cells (PCs) during postnatal development in the mouse cerebellum (Manuelidis, 1985; Martou and De Boni, 2000). Here, we performed vibratome sections
Cremer, Thomas +4 more
core +1 more source

