Results 91 to 100 of about 5,729 (189)

The role of RNA in the maintenance of chromatin domains as revealed by antibody-mediated proximity labelling coupled to mass spectrometry

open access: yeseLife
Eukaryotic chromatin is organized into functional domains, that are characterized by distinct proteomic compositions and specific nuclear positions. In contrast to cellular organelles surrounded by lipid membranes, the composition of distinct chromatin ...
Rupam Choudhury   +7 more
doaj   +1 more source

Genetic sex separation of the malaria vector, Anopheles arabiensis, by exposing eggs to dieldrin [PDF]

open access: yes, 2012
BACKGROUND: The sterile insect technique (SIT) has been used with success for suppressing or eliminating important insect pests of agricultural or veterinary importance.
Clelia F Oliva   +5 more
core   +1 more source

Cytogenetic study on Artemia from Urmiyah Lake [PDF]

open access: yes, 2002
To determine the chromosome numbers of artemia brine-shrimp in Urmiyah Lake (Azarbaijan-e- Gharhi province), cytogenetic studies were carried out on artemia cysts.
Kamali, A.   +2 more
core  

Targeting and regulatory mechanisms in chromosome-wide gene regulation using Drosophila melanogaster as a model organism [PDF]

open access: yes, 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  

Conserved domains control heterochromatin localization and silencing properties of SU(VAR)3-7 [PDF]

open access: yes, 2018
The Drosophila protein SU(VAR)3-7 is essential for fly viability, chromosome structure, and heterochromatin formation. We report that searches in silico and in vitro for homologues of SU(VAR)3-7 were successful within, but not outside, the Drosophila ...
Delattre, Marion   +4 more
core  

Heterochromatin and the molecular mechanisms of 'parent-of-origin' effects in animals. [PDF]

open access: yes
Twenty five years ago it was proposed that conserved components of constitutive heterochromatin assemble heterochromatinlike complexes in euchromatin and this could provide a general mechanism for regulating heritable (cell-to-cell) changes in gene ...
A Henckel   +189 more
core   +1 more source

The onset of homologous chromosome pairing during Drosophila melanogaster embryogenesis. [PDF]

open access: yes, 1993
We have determined the position within the nucleus of homologous sites of the histone gene cluster in Drosophila melanogaster using in situ hybridization and high-resolution, three-dimensional wide field fluorescence microscopy.
Agard, DA   +5 more
core  

Long-range silencing and position effects at telomeres and centromeres: parallels and differences [PDF]

open access: yes, 2018
Most of the human genome is compacted into heterochromatin, a form that encompasses multiple forms of inactive chromatin structure. Transcriptional silencing mechanisms in budding and fission yeasts have provided genetically tractable models for ...
Gasser, S., Perrod, S.
core  

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