Results 1 to 10 of about 49,543 (299)

Life Cycle Stage-Specific Accessibility of Leishmania donovani Chromatin at Transcription Start Regions

open access: yesmSystems, 2021
Leishmania donovani is a parasitic protist that causes the lethal Kala-azar fever in India and East Africa. Gene expression in Leishmania is regulated by gene copy number variation and inducible translation while RNA synthesis initiates at a small number
Janne Grünebast   +3 more
doaj   +1 more source

Dynamic Remodeling of Individual Nucleosomes Across a Eukaryotic Genome in Response to Transcriptional Perturbation

open access: yes, 2008
Sushma Shivaswamy is with UT Austin, Akshay Bhinge is with UT Austin, Yongjun Zhao is with British Columbia Cancer Agency, Steven Jones is with British Columbia Cancer Agency, Martin Hirst is with British Columbia Cancer Agency, Vishwanath R Iyer is with
Bhinge, Akshay   +17 more
core   +1 more source

Nucleosomes impede Cas9 access to DNA in vivo and in vitro

open access: yeseLife, 2016
The prokaryotic CRISPR (clustered regularly interspaced palindromic repeats)-associated protein, Cas9, has been widely adopted as a tool for editing, imaging, and regulating eukaryotic genomes.
Max A Horlbeck   +8 more
doaj   +1 more source

Making better CRISPR libraries

open access: yeseLife, 2016
A new algorithm improves the performance of CRISPR-based genetic screens in mammals.
Shiyou Zhu, Wensheng Wei
doaj   +1 more source

Mechanical properties of nucleoprotein complexes determined by nanoindentation spectroscopy

open access: yesNucleus, 2020
The interplay between transcription factors, chromatin remodelers, 3-D organization, and mechanical properties of the chromatin fiber controls genome function in eukaryotes.
Tatini Rakshit   +3 more
doaj   +1 more source

ATP-dependent chromatosome remodeling [PDF]

open access: yes, 2008
Chromatin serves to package, protect and organize the complex eukaryotic genomes to assure their stable inheritance over many cell generations. At the same time, chromatin must be dynamic to allow continued use of DNA during a cell's lifetime.
Chioda, Mariacristina   +2 more
core   +1 more source

Compact and highly active next-generation libraries for CRISPR-mediated gene repression and activation

open access: yeseLife, 2016
We recently found that nucleosomes directly block access of CRISPR/Cas9 to DNA (Horlbeck et al., 2016). Here, we build on this observation with a comprehensive algorithm that incorporates chromatin, position, and sequence features to accurately predict ...
Max A Horlbeck   +10 more
doaj   +1 more source

Desempenho diagnóstico e associações clínicas dos anticorpos contra componentes da cromatina no lúpus eritematoso sistêmico juvenil Diagnostic performance and clinical associations of antibodies to the chromatin antigenic system in juvenile systemic lupus erythematosus

open access: yesRevista Brasileira de Reumatologia, 2012
OBJETIVOS: Determinar a frequência de anticorpos contra componentes da cromatina no lúpus eritematoso sistêmico juvenil (LESJ) e correlacionar a presença desses autoanticorpos com manifestações clínicas e atividade da doença.
Silene Peres Keusseyan   +5 more
doaj   +1 more source

Plasma Nucleosomes in Primary Breast Cancer

open access: yes, 2020
When cells die, nucleosomes composed of DNA and histone proteins enter the extracellular space and end eventually in the circulation. In plasma, they might serve as a nonspecific marker of cell death, potentially useful for noninvasive monitoring of ...
Gabriel Minarik   +10 more
core   +1 more source

Average level of nucleosomes vs. .

open access: yes, 2013
The average level of nucleosomes is plotted as a function of for both and . These levels of nucleosomes are computed by averaging the final number of nucleosomes in the simulations over all the runs and the whole lattice.
Edward Ott (180528)   +4 more
core   +1 more source

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