Results 101 to 110 of about 81,802 (259)

Heterochromatin structure and function [PDF]

open access: yesBiology of the Cell, 2004
Abstract Although heterochromatin has long been used as a model for studying chromatin condensation and heritable gene silencing, it is only relatively recently that detailed information has become available on the mechanisms that underlie its structure. Current evidence suggests that these operate on at least three different levels.
openaire   +2 more sources

The epigenetic landscape of plant defense: Unlocking nature's toolkit for new plant protection

open access: yesNew Plant Protection, EarlyView.
This review examines how epigenetic mechanisms regulate plant immune gene activation, repression, and priming, then links these natural regulatory layers to emerging epigenetic editing, discussing their potential for precise, heritable crop protection and the challenges.
Xuexia Liu, Zhenhui Zhong
wiley   +1 more source

An actin-related protein in Drosophila colocalizes with heterochromatin protein 1 in pericentric heterochromatin [PDF]

open access: yes, 1997
The actin-related proteins have been identified by virtue of their sequence similarity to actin. While their structures are thought to be closely homologous to actin, they exhibit a far greater range of functional diversity.
Elgin, Sarah C.R.   +5 more
core   +1 more source

Feulgen-dna absorption spectrum of euchromatin and constitutive heterochromatin

open access: yes, 2015
FAPESP - FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULOWhen the heterochromatin and euchromatin of Triatoma infestans are maximally depurinated, their Feulgen-DNA spectral profiles exhibit a shoulder at about λ = 530 nm.
Mello, Maria Luiza S.
core   +2 more sources

Heterochromatin and gene regulation in Drosophila [PDF]

open access: yes, 1996
We have recently learned more about the biochemistry of heterochromatin and about how heterochromatic environments affect gene function. New findings have emphasized the distinctions between telomeric and pericentric heterochromatin in Drosophila and ...
Elgin, Sarah C.R., Sarah CR Elgin
core   +1 more source

Impact of sleep insufficiency and recovery on cancer development

open access: yesSleep Research, EarlyView.
Abstract Sleep plays a critical role in overall health, and modern lifestyles, such as shift work and late‐night activities, can significantly impact sleep condition. Insufficient sleep has been associated with various adverse health outcomes, including an increased risk of tumor development.
Xiaxi Li, Chuanyuan Li, Yi Zhang
wiley   +1 more source

A Digital Atlas of Human Ultrastructure

open access: yesSmall, EarlyView.
An interactive resource with ultrastructural data of human organs. Analyse organs from sub‐millimeter up to the nanometer range of macromolecules in a similar way as Google‐earth: https://www.nanotomy.org/OA/HumanAtlas/. ABSTRACT Electron microscopy (EM) is the method to visualize the building blocks of life in organs and tissues at biomolecular ...
Anouk H. G. Wolters   +4 more
wiley   +1 more source

Chromosomal Q-Heterochromatin in the Human Genome/ by Abyt Ibraimov.

open access: yes, 2020
Description based upon print version of record.The genomes of plants, animals and human consist of two components: euchromatin (representing the genes) and heterochromatin (consisting of non-coding DNAs).
Ibraimov Abyt.
core  

Rotenone Induces Morphological Damage and Reduction in Catecholamine Levels in the Central Nervous System of the Ascidian Styela plicata

open access: yesEnvironmental Toxicology, EarlyView.
ABSTRACT Ascidians are invertebrates that occupy a key phylogenetic position as a sister group of the vertebrates. The organization of their central nervous system (CNS), with cortex and medulla, indicates a plesiomorphic character of the gray and white matter of vertebrates, making this group of animals useful for studies of neurodegenerative events ...
Andressa de Abreu Mello   +4 more
wiley   +1 more source

Heterochromatin structure and organization.

open access: yes
Heterochromatin comprises a highly condensed string of canonical and H2A.Z nucleosomes surrounded by K9 and K27 trimethyl H3 histones as well as the HP1α heterochromatin protein.
Qian Xu (119888)   +3 more
core   +1 more source

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