Results 1 to 10 of about 45,751 (265)

Constitutive Heterochromatin in Eukaryotic Genomes: A Mine of Transposable Elements [PDF]

open access: goldCells, 2022
Transposable elements (TEs) are abundant components of constitutive heterochromatin of the most diverse evolutionarily distant organisms. TEs enrichment in constitutive heterochromatin was originally described in the model organism Drosophila ...
René Massimiliano Marsano   +1 more
doaj   +11 more sources

RNA-dependent stabilization of SUV39H1 at constitutive heterochromatin [PDF]

open access: yeseLife, 2017
Heterochromatin formed by the SUV39 histone methyltransferases represses transcription from repetitive DNA sequences and ensures genomic stability. How SUV39 enzymes localize to their target genomic loci remains unclear.
Whitney L Johnson   +7 more
doaj   +5 more sources

Constitutive heterochromatin controls nuclear mechanics, morphology, and integrity through H3K9me3 mediated chromocenter compaction [PDF]

open access: goldNucleus
Aberrant nuclear morphology is a hallmark of human disease and causes nuclear dysfunction. Perturbed nuclear mechanics via reduced heterochromatin weakens the nucleus resulting in nuclear blebbing and rupture.
Gianna Manning   +4 more
doaj   +3 more sources

Inflammasome, the Constitutive Heterochromatin Machinery, and Replication of an Oncogenic Herpesvirus [PDF]

open access: yesViruses, 2021
The success of long-term host–virus partnerships is predicated on the ability of the host to limit the destructive potential of the virus and the virus’s skill in manipulating its host to persist undetected yet replicate efficiently when needed.
Sumita Bhaduri-McIntosh   +1 more
doaj   +6 more sources

Ring-like distribution of constitutive heterochromatin in bovine senescent cells. [PDF]

open access: goldPLoS ONE, 2011
BACKGROUND: Cells that reach "Hayflick limit" of proliferation, known as senescent cells, possess a particular type of nuclear architecture. Human senescent cells are characterized by the presence of highly condensed senescent associated heterochromatin ...
Andrey Pichugin   +3 more
doaj   +4 more sources

The Green Valley of Drosophila melanogaster Constitutive Heterochromatin: Protein-Coding Genes Involved in Cell Division Control [PDF]

open access: yesCells, 2022
Constitutive heterochromatin represents a significant fraction of eukaryotic genomes (10% in Arabidopsis, 20% in humans, 30% in D. melanogaster, and up to 85% in certain nematodes) and shares similar genetic and molecular properties in animal and plant ...
Giovanni Messina   +4 more
doaj   +2 more sources

Processive DNA synthesis is associated with localized decompaction of constitutive heterochromatin at the sites of DNA replication and repair [PDF]

open access: yesNucleus, 2019
Constitutive heterochromatin is considered as a functionally inert genome compartment, important for its architecture and stability. How such stable structure is maintained is not well understood.
Vadim O. Chagin   +7 more
doaj   +2 more sources

C-banding, fluorescent staining and NOR location in holokinetic chromosomes of bugs of the Neotropical genus Antiteuchus (Heteroptera: Pentatomidae: Discocephalinae) [PDF]

open access: yesEuropean Journal of Entomology, 2006
Different cytogenetic techniques including C-banding, base-specific fluorochromes and silver nitrate staining were used to compare the karyotypes of three species of bugs, representatives of the Neotropical genus Antiteuchus, namely A.
Cecilia LANZONE, Maria José DE SOUZA
doaj   +3 more sources

The nuclear poly(A)-binding protein Pab2/PABPN1 promotes heterochromatin assembly through the formation of Pab2 nuclear condensates. [PDF]

open access: yesPLoS Genetics
The assembly of constitutive heterochromatin is a prerequisite for maintaining genome stability. However, the mechanism of heterochromatin formation has yet to be completely understood.
Ziyue Liu   +3 more
doaj   +2 more sources

Identification of regions of constitutive heterochromatin and sites of ribosomal DNA (rDNA) in Rhogeessa hussoni (Genoways & Baker, 1996) (Chiroptera; Mammalia; Vespertilionidae)

open access: goldCaryologia, 2021
There is scarce information about the geographical distribution, biological and cytogenetic data from the Rhogeessa hussoni. This study aims to characterize its chromosome composition through chromosome bandings to visualize regions of constitutive ...
Karina Cassia Faria   +2 more
doaj   +3 more sources

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