Results 81 to 90 of about 353,053 (207)
Rumex acetosa Y chromosomes: constitutive or facultative heterochromatin?
Folia Histochemica et Cytobiologica, 2011 Condensed Y chromosomes in <i>Rumex acetosa</i> L. root-tip nuclei were studied using 5-azaC treatment and immunohistochemical detection of methylated histones. Although Y chromosomes were decondensed within root meristem in vivo, they became
Andrzej J. Joachimiak +4 more
doaj +1 more source
The Dual Roles of Lamin A/C in Macrophage Mechanotransduction
Cell Proliferation, EarlyView.Compressive force can inhibit the expression of lamin A/C, SUN1 and SUN2 in macrophages. Lamin A deficiency may participate in mechanotransduction within macrophages through two distinct mechanisms. ABSTRACT Cellular mechanotransduction is a complex physiological process that integrates alterations in the external environment with cellular behaviours ...
Yao Wang +5 more
wiley +1 more source
The FEBS Journal, EarlyView.The silencing of transposable elements is mediated by piRNAs through post‐transcriptional and transcriptional regulation. In Drosophila, piRNAs are processed within unique non‐membrane structures: nuage in germline cells and Yb bodies in somatic gonadal cells.
Ritsuko Suyama, Toshie Kai
wiley +1 more source
The distribution pattern of 5-methylcytosine in rye (Secale L.) chromosomes.
PLoS ONE, 2020 The rye (Secale L.) genome is large, and it contains many classes of repetitive sequences. Secale species differ in terms of genome size, heterochromatin content, and global methylation level; however, the organization of individual types of sequences in
Anna Kalinka, Magdalena Achrem
doaj +1 more source
Human cell recovery after microwave irradiation [PDF]
arXiv, 2009 Cells of human buccal epithelium of 6 male donors were exposed to microwave radiation (frequency f=36,64 GHz, power density E = 10, 100, and 400 mcW/cm^2). Exposure time in all experiments was 10 seconds. Heterochromatin was stained by 2% orcein in 45 % acetic acid. The stainability of cells with trypan blue (0,5 %) and indigocarmine (5 mM) after 5 min
arxiv
The FEBS Journal, EarlyView.Under normoxic conditions, the SUMOylated fraction of TFAP2A cannot interact with the Ku70/Ku80 complex, nor it can bind to chromatin. The unSUMOylated fraction pre‐occupies the chromatin of a subset of hypoxia‐induced genes together with the Ku70/Ku80 complex for basal euchromatin formation. Under hypoxic conditions, the SUMOylation equilibrium shifts
Amalia Kanoura +8 more
wiley +1 more source
Nde1 is required for heterochromatin compaction and stability in neocortical neurons
iScience, 2022 Summary: The NDE1 gene encodes a scaffold protein essential for brain development. Although biallelic NDE1 loss of function (LOF) causes microcephaly with profound mental retardation, NDE1 missense mutations and copy number variations are associated with
Alison A. Chomiak +9 more
doaj
Transposable element sequence evolution is influenced by gene context [PDF]
arXiv, 2012 Background: Transposable elements (TEs) in eukaryote genomes are quantitatively the main components affecting genome size, structure and expression. The dynamics of their insertion and deletion depend on diverse factors varying in strength and nature along the genome.
arxiv
Polymorphic organization of constitutive heterochromatin in Equus asinus (2n = 62) chromosome 1.
Hereditas, 2011 In the karyotype of Equus asinus (domestic donkey, 2n = 62), non-centromeric heterochromatic bands have been described in subcentromeric and telomeric positions. In particular, chromosome 1 is characterised by heterochromatic bands in the proximal region
E. Raimondi +7 more
semanticscholar +1 more source
Genetic Architecture of Immune Cell DNA Methylation in the Rhesus Macaque
Molecular Ecology, EarlyView.ABSTRACT Genetic variation that impacts gene regulation, rather than protein function, can have strong effects on trait variation both within and between species. Epigenetic mechanisms, such as DNA methylation, are often an important intermediate link between genotype and phenotype, yet genetic effects on DNA methylation remain understudied in natural ...
Christina E. Costa +12 more
wiley +1 more source