Results 41 to 50 of about 25,717 (206)
Genetics and Molecular Biology, 2005 Meiotic chromosomes obtained from members of the coleopteran subfamilies Rutelinae and Dynastinae were studied using standard and silver nitrate staining, C-banding, base-specific fluorochromes and fluorescent in situ hybridization (FISH).
Edgar Bione +3 more
doaj +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 +1 more source
Biphasic euchromatin-to-heterochromatin transition on the KSHV genome following de novo infection. [PDF]
, 2013 The establishment of latency is an essential step for the life-long persistent infection and pathogenesis of Kaposi's sarcoma-associated herpesvirus (KSHV).
Brulois, Kevin +6 more
core +3 more sources
Inheritance of H3K9 methylation regulates genome architecture in Drosophila early embryos
The EMBO JournalConstitutive heterochromatin is essential for transcriptional silencing and genome integrity. The establishment of constitutive heterochromatin in early embryos and its role in early fruitfly development are unknown. Lysine 9 trimethylation of histone H3
Nazerke Atinbayeva +14 more
doaj +1 more source
Nuclear pore links Fob1‐dependent rDNA damage relocation to lifespan control
FEBS Open Bio, EarlyView.Damaged rDNA accumulates at a specific perinuclear interface that couples nucleolar escape with nuclear envelope association. Nuclear pores at this site help inhibit Fob1‐induced rDNA instability. This spatial organization of damage handling supports a functional link between nuclear architecture, rDNA stability, and replicative lifespan in yeast.
Yamato Okada +5 more
wiley +1 more source
Advanced Science, EarlyView.Diabetic bone marrow exhibits pathological ECM hyperviscosity that activates TRPV2‐mediated Ca2⁺ influx, leading to perinuclear F‐actin disassembly, nuclear deformation, and chromatin condensation. This cytoskeletal‐nuclear decoupling suppresses osteogenic differentiation of BMSCs.
Yao Wen +8 more
wiley +1 more source
Targeting and regulatory mechanisms in chromosome-wide gene regulation using Drosophila melanogaster as a model organism [PDF]
, 2010 Tese de mestrado. Biologia (Biologia Molecular e Genética). Universidade de Lisboa, Faculdade de Ciências, 2010O cromossoma 4 de Drosophila melanogaster é muito heterocromático, sendo rico em DNA satélite e DNA de elementos transposáveis. Apesar das suas
Figueiredo, Ana Margarida Adónis, 1986-
core
Chromatin insulator elements: establishing barriers to set heterochromatin boundaries [PDF]
, 2012 Epigenomic profiling has revealed that substantial portions of genomes in higher eukaryotes are organized into extensive domains of transcriptionally repressive chromatin.
Adam G West +9 more
core +1 more source
Advanced Science, EarlyView.Mature red blood cells (RBCs) can capture extracellular DNA, with short fragments homologous to cfDNA. This uptake is mediated by apoptotic bodies, which induce RBC oxidative stress, deformation, and accelerated in vivo clearance. The rbcDNA abundance correlates with tumor burden and therapeutic response, highlighting its potential as a liquid biopsy ...
Zihang Zeng +20 more
wiley +1 more source
A Self‐Organized Liquid Reaction Container for Cellular Memory
Advanced Science, EarlyView.How cells restore epigenetic information lost during replication is not known. This work proposes a mechanism based on the formation of biomolecular condensates. These condensates are induced by the chromosome itself and serve as reaction vessels for reconstructing missing epigenetic markers.
Sukanta Mukherjee +4 more
wiley +1 more source