Sentences with phrase «controls gene regulation»

The chemical modification of histones is thought to be a form of epigenetic information — information separate from our DNA — that controls gene regulation.
Research coordinated by Osaka University has now shown that the nuclear protein complex cohesin must be expressed at sufficient levels in the early mouse brain to control gene regulation and allow development of healthy neuronal networks and behavioral characteristics.

Not exact matches

But a new study, published today in Nature, has revealed that m6A plays a key role in the regulation of the Sex - lethal (Sxl) gene, which controls sex determination of the fruit fly Drosophila.
Although the regulation of this gene has a strong «cell cycle control» component, I was more interested in studying cell cycle regulation «proper.»
The newly unmasked genes play a role in three distinctively different bodily functions, including systems that control inflammation and cholesterol and the regulation of how brain cells clean up toxic proteins.
One aspect of gene regulation involves enzymes placing chemical tags or modifications on histone proteins — which control a cell's access to the DNA sequences that make up a gene.
«Although we know that ZMYND11 controls RNA polymerase II travel ratio in the gene body, we still don't know how this protein, which does not physically interact with polymerase II, actually achieves this regulation,» Shi said.
Analysis of the tumor genes affected by the two drugs revealed that cabazitaxel had a greater effect on cellular division and regulation of chromatin — a spool for DNA that helps control which genes are in use and when — whereas docetaxel has a greater impact on DNA transcription and repair.
The fact that a thousand proteins are involved in epigenetic regulation is pretty astounding, because that's just a genes wrapped up in controlling genes.
This complex process of controlling the production of proteins is known as gene regulation.
Molecular recognition is fundamental to transcriptional regulation, the primary mechanism by which cells control gene expression.
More importantly, Choudhury and colleagues found that DAZAP1 directly links the regulation of gene splicing with the MAP kinase pathway — a key signaling pathway that controls cell proliferation.
The modern study of gene regulation started in the 1950s, but researchers only started to unravel the complex array of histone modifications that fine - tune chromatin control of gene expression 20 years ago.
A new study involving roundworms appears to have isolated one gene — a transcriptional factor (or gene that controls the regulation of other genes in the genome)-- that appears to be an essential member of the pathway that translates reduced caloric intake into a longer life span.
Chromatin is the protein packaging that helps regulate genome function by controlling access to DNA; changes in this packaging can affect gene regulation.
Previously, longevity researchers believed dietary restriction was regulated via an insulin - signaling pathway, where the levels of the nutrient - sensing hormone would fall in response to lowered food intake, activating a DNA - binding protein called daf - 16 that would then confer longevity through the regulation of genes under its control.
«How good bacteria control your genes: Chemical signals from gut bacteria influence gene regulation in the gut lining.»
In addition to reevaluating how histones control gene activation, the study also reports a new mechanism of PARP1 regulation.
Scientists at the Centre for Genomic Regulation (CRG) in Barcelona, Spain, have developed a new technique to crack the underlying DNA code for the «control dials» that determine levels of gene activity in bacteria.
Scientists have discovered many points of regulation in the process of using a specific DNA template to make a protein, known as gene expression, that allow the cell to control how much of a certain protein is made at a certain time.
One is straightforward — during development, cells are assuming their identities and need precise control over protein production, so cells lacking a gene expression regulation mechanism are bound to have defects, particularly in the case of specialized cells like neurons.
The regulatory system to control redox balance involves sugar - dependent gene regulation and protein phosphorylation.
Christopher Hammell Post-transcriptional gene regulation; control of animal developmental timing; RNA biology
Figure 5: The regulation of some genes differs between the wing (left) and haltere (right) imaginal discs of Drosophila and is under the control of the Ultrabithorax Hox gene.
Major Symposium A: Transcriptional Control of Immunity: Diverse Regulatory Mechanisms in Gene Regulation Chairs: Amy S. Weinmann, Univ. of Alabama, Birmingham Boris Reizis, New York Univ..
Fold change of genes identified for regulation of skeletal extension and growth, is presented as treated vs. control during daytime, night - time and without treatment.
BR homeostasis is controlled through transcriptional feedback regulation of these biosynthetic genes by known BR signaling TFs, BRASSINAZOLE RESISTANT1 (BZR1) and BRI1 - EMS - SUPPRESSOR1 (BES1) / BZR2.
This could be an indication of a controlled expression of genes responsible for calcification during daytime, as evidenced by the up - regulation of genes associated with the cartilage and bone biogenesis process.
The work has led him to explore the role of protein phosphorylation in a diverse array of cellular functions, including transformation, cell communication, cell adhesion, cell - cycle regulation, the control of gene expression, and protein degradation.
Now that scientists understand how these genes control the heart, they can begin to piece together how heart disease disrupts this regulation.
Transcriptional Control / Gene Regulation Identification and characterization of injury and regeneration - responsive endocardial enhancer elements Brian Black, University of California, San Francisco Untangling the regulatory pathways controlling vascular differentiation Sarah De Val, Oxford University
Researchers have identified a host of factors involved in epigenetic control of gene expression and development, but many of the precise mechanisms underlying this type of regulation remain unclear.
Post-transcriptional regulation is the control of protein synthesis by genes after RNA synthesis has begun.
Once again, the genes that are subject to HAR2 regulation are still unclear, although GBX2, a transcription factor that controls proper expression of genes involved in embryo morphogenesis, is one promising candidate.
Like in the Wnt signaling pathway, ligands bind to the EGFR on the cell surface and initiate a cascade of events in the cell that in this case lead to regulation of genes that control cell cycle progression.
In China, where regulations on gene editing are less tightly controlled, there are already several CRISPR clinical trials underway.
However, at present, little is known about the regulation control of RIG - G gene expression.
A comprehensive study of gene expression in tomato fruits will explore unanswered questions about gene regulation, hormonal control and structural polymers that make up cell walls in fruits, to improve crop quality and yields.
In young animals, immunological activation drives a conserved transcriptomic switch, resulting in tightly controlled gene expression characterized by a strong up - regulation of a core activation program, coupled with a decrease in cell - to - cell variability.
Whole genome expression data of livers of wildtype and PPARα − / − mice fasted for 24 h served as positive control for PPARα - dependent gene regulation.
Importantly, there is a clear signature of the parents» sensitivity to high CO2 in the molecular phenotype of the offspring expressed by the differential regulation of genes controlling the circadian rhythm indicating adaptive potential through natural standing variation.
The 50 down - regulated genes with significant (p - value ≤ 0.05) and greater than 2-fold level of down - regulation in IDUA - / - canine arteries, compared to controls.
Here's what you get during those minutes, according to new reports: an instant endorphin surge and drop in blood pressure, regulation of hunger hormones that may help you keep weight off, and key vitamin D synthesis that alters the expression of 291 genes responsible for everything from controlling how quickly your bones age to how fast you bounce back from tough workouts to how fertile you are.
a b c d e f g h i j k l m n o p q r s t u v w x y z