Sentences with phrase «of genes control»

Some of the genes control receptors called integrins, which help cells attach to and communicate with one another, allowing formation of specialized organs and complex body plans.
Some of these genes control both cardiovascular development and skeletal development, suggesting the intriguing possibility that the giraffe's stature and turbocharged cardiovascular system evolved in concert through changes in a small number of genes.
The team also found that two clusters of these genes control different kinds of aggression: one directed at strangers and strange dogs, and the other directed at the owner and other dogs in the household.
When Murphy compared the genes turned off and on in oocytes and body cells of the same worm, however, she saw that two completely different sets of genes controlled oocyte and body - cell aging in C. elegans.
Researchers say the newly found level of gene control is likely to apply to all tissues.
This changes, among other things, the pattern of genes controlled by STAT5 and the cells begin to divide uncontrollably resulting in a STAT5 - dependent leukemia.
Just like how a light can be controlled by multiple switches to influence its intensity and colour, the team identified hundreds of genes controlled by multiple promoters, causing alternate versions of that gene to be produced.
Number of genes controlling a quantitative trait in a hybrid zone of the aposematic frog Ranitomeya imitator.
Number of genes controlling a quantitative trait in a hybrid zone of the aposematic frog Ranitomeya imitator Vestergaard, J. S., E. Twomey, R. Larsen, K. Summers, and R. Nielsen.
Furthermore, orthologs of genes controlling pistil retention in maize were misregulated in bsl1 - 1 mutants.
The octopus also has an abnormal number of genes controlling neuron development and interactions between neurons — processes likely associated with learning and intelligence.
Despite highly elevated levels of Oct4 protein following treatment with 8 - Br - cAMP, no change in transcription of genes controlled by Oct4 heterodimers (i.e. Oct4 itself, FGF4) was observed.
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.
Dogs offer a unique system for the study of genes controlling morphology.

Not exact matches

However, a study performed at Edinburgh University found that much of our predisposition toward determination, sociability, self - control, and sense of purpose is in our genes.
Or more troubling, the genes that they contain — the genes that control those processes of becoming resistant — can break free of the bacteria and be taken up by other bacteria.
In the future, ancestors of the ancient Trojans have devoted themselves to gene manipulation and have implanted the DNA that controls fiscal irresponsibility and bouzouki music into modern Greeks.
Control of heredity and sex by the manipulation of genes and chromosomes.
First, an adult cell would be removed from a patient and the DNA of that cell altered to control and direct the types of gene expression the nucleus is capable of supporting.
I'm not gay, nor lesbian, so I can only imagine what it would be like for those who are born with wrong genes, body, etc., to have to live in a world so full of hatred for something they have no control over.
But still most people would tend to agree that a program of controlled eugenics that involved exterminating humans with defective genes is immoral even though it could accelerate evolution an better the species.
They asked the question, What controls the activity of a single gene, turning it on or off?
But it is not actually the crucial question, which is, What controls the activity of the complex interacting set of genes, which produces a nerve cell or a muscle cell?
In other words, they now have total control over that genome and can examine the function of every gene, seeing if each part of the genome serves a biological function or is redundant.
The worry is that «the technical ability to disaggregate and recombine genetic, gestational and rearing connections and to control the genes of offspring may... undermine essential protections for offspring, couples, family and society.»
What all these have in common is that, without any central control, individual units (genes, cells neurons or workers) respond to simple, local information, in ways that allow the whole system (cells, brains, organisms or colonies) to function: the appropriate number of units performs each activity at the appropriate time.
We've been hearing about better male birth control for years now, but in recent weeks two new promising options have come to light: RISUG (reversible inhibition of sperm under guidance), being developed by an Indian scientist, Sujoy Guh, and the discovery of a gene, Katnal1, critical for sperm production; if scientists can tweak the gene with a pill, sperm production will be stalled.
Isolation is distressful for rat and mouse babies and has all sorts of ill effects like disorganizing stress response systems and undermining the expression of genes that control anxiety (McEwen, 2003; Meaney, 2001).
A total of 150 women with a history of two or more recurrent miscarriages and 20 fertile control women with no history of pregnancy losses had buccal swabs taken for DNA analyses of 10 gene mutations [factor V G1691A, factor V H1299R (R2), factor V Y1702C, factor II prothrombin G20210A, factor XIII V34L, beta - fibrinogen -455 G > A, PAI - 1 4G / 5G, HPA1 a / b (L33P), MTHFR C677T, MTHFR A1298C].
More than three gene mutations among the 10 genes studied were observed in 68 % of women with recurrent miscarriage and 21 % of controls.
Using gene - sequencing technology, researchers established that the precise segment of the pup's DNA «switched on» by the act of grooming was the part that controlled the future function of the hippocampus, which processes stress hormones.
The reliability and stability of these methods were described by Wu et al. 27 Illumina tag sequencing of the 16S rRNA gene V4 - V5 hypervariable region was performed at the Marine Biological Laboratory in Woods Hole, Massachusetts, using established methods.28, 29 Details of sequencing methods, quality control and filtering, and statistical modeling are presented in the eAppendix in the Supplement.
UT Southwestern biochemists studying mouse models found that the two proteins − steroid receptor coactivators 1 and 2 (SRC - 1 and SRC - 2)-- control genes for pulmonary surfactant components that promote the initiation of labor.
We identify key candidate genes that may control rate - limiting steps during lactation and outline future work in the endeavor to discover the biological underpinnings of poor lactation performance in women attempting to breastfeed.
To do this, the neurons need to make new proteins — a process that is thought to be controlled by hundreds of genes.
«If we know how genes control drug response, we can create a statistical model that shows us what will happen before using the drug,» said Wu, who is also a member of Penn State's Huck Institutes of the Life Sciences.
Epigenetic processes are essentially switches that control a gene's potentially heritable levels of protein production but without involving changes to underlying structure of a gene's DNA.
The shared patterns of gene expression in the limbs and phallus are generated in part by a common set of noncoding DNA, also called «elements» or «enhancers,» which act to control gene expression in both of these structures, argues a study published October 1 in Developmental Cell.
These changes, known as epigenetic modifications, control the activity of our genes without changing the actual DNA sequence.
Baylin says certain genes that control cell growth get turned down periodically during certain stages of life, including embryogenesis, when organisms are growing and developing rapidly.
A host of other genes, which control many other cellular processes do not show such abnormal DNA methylation after smoke exposure.
They have crossed two Fleur 11 varieties that mix different bits of the ancestors» genes that control peanut size to see if they can create a larger peanut — one that grows well even in the face of the prolonged dry spells.
Before this can happen though, Teixeira said that his team will first have to determine whether the Stk11 gene or the other genes and proteins it controls are similarly affected in the human form of BPH.
The scientists also discovered that the stem cells released tiny packets of microRNA, bits of genetic material that control how genes function.
The feeding tube of the dying embryos was not forming properly, so researchers at first speculated that the gene controlled tube development.
To receive funding from Safe Genes, teams focused on gene - drive technology must work on controls plus at least one of the program's other focus areas — remediation or inhibitors.
Now a gene that causes such disorders has been found, and it may help unravel a deeper mystery: how it is that the left side of our brain controls the right side of the body, and vice versa.
Besides the low efficiency of cloning — just 1.7 per cent of embryos came to term — another challenge to creating transgenic dogs is controlling where in the nuclear DNA a foreign gene lands.
This likelihood is quantified as the «heritability,» a number between 0 and 1, where a larger number implies that it is more likely that the shape of the face is controlled by genes.
Psychiatrist Ming Tsuang and his colleagues at Boston University figured that if genes help control what people feel when they smoke pot, then genetically identical twins should experience a similar kind of high or low when they use the drug.
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