Sentences with phrase «of particular genes in»

In 2016, the research team spotted mice that sleep for extraordinarily long periods and ones that have extraordinarily short REM sleep in a sample of about 8,000 specimens, and discovered mutations of particular genes in those mice with unique sleep patterns.
In the past year, biologists have been using the natural form of GFP to track the production of individual proteins or the activity of particular genes in living cells.

Not exact matches

Only in the past decade has RNA been discovered to carry out a wide variety of specific tasks in genetics, such as turning particular genes on or off.
«So in many cases,» says Doug Gurian - Sherman, a plant pathologist and director of sustainable agriculture at the Center for Food Safety, «the particular genes used will only work well in certain genetic backgrounds and environments.»
To quote Ayala and Kiger's textbook, Modern Genetics: «There is no way of knowing whether a given gene will mutate in a particular cell or in a particular generation,» because the mutations «are unoriented with respect to adaptation.»
If Chad and others argue that naturalistic evolution must be dismissed because we don't know exactly what happened with gene mutation and transmission frequencies during particular periods of rapid change, then how can we accept a replacement argument in which we don't even know what happens at all?
For instance, one admits that in much of evolution (probably all above the bacteria), evolutionary changes involve enormous numbers of genes, rather than a selection of one or two particular genes (although that occurs in a few instances, possibly, for instance, in industrial melanism).
«In two studies of breast - fed infants involving more than 3,000 children in Britain and New Zealand, breastfeeding was found to raise intelligence an average of nearly 7 IQ points if the children had a particular version of a gene called FADSIn two studies of breast - fed infants involving more than 3,000 children in Britain and New Zealand, breastfeeding was found to raise intelligence an average of nearly 7 IQ points if the children had a particular version of a gene called FADSin Britain and New Zealand, breastfeeding was found to raise intelligence an average of nearly 7 IQ points if the children had a particular version of a gene called FADS2.
Other research shows that ADHD children with a particular gene variation have thinner tissue in the area of the brain that's associated with attention.
No particular genetic variant was shared across all synesthetes in all three families, suggesting there is no single «synesthesia gene» or set of genes.
Some morphogenic gradients apparently yield but a single effect: If the concentration of a morphogen in a particular place is above a critical threshold, a target gene is activated; otherwise, it is not.
In addition, new genes arise regularly, although the number of genes in a particular organism does not seem to increasIn addition, new genes arise regularly, although the number of genes in a particular organism does not seem to increasin a particular organism does not seem to increase.
Women with precancer or cancer were most likely to have particular versions of the viral gene E7, which researchers are now interested in targeting.
These allusions to the past aren't surprising considering how drastically the clinical trial changed gene therapy and, in particular, the career of James M. Wilson, the medical geneticist who headed Penn's Institute for Human Gene Therapy, where the test took plgene therapy and, in particular, the career of James M. Wilson, the medical geneticist who headed Penn's Institute for Human Gene Therapy, where the test took plGene Therapy, where the test took place.
Recent advances in the understanding of cancer have led to more personalized therapies, such as drugs that target particular proteins and tests that analyze gene expression patterns in tumors to predict a patient's response to therapy.
The team found that humans are equipped with tiny differences in a particular regulator of gene activity, dubbed HARE5, that when introduced into a mouse embryo, led to a 12 % bigger brain than in the embryos treated with the HARE5 sequence from chimpanzees.
By combining each mouse's genome, phenome, proteome and metabolome, the scientists were able to identify a particular gene, located on their chromosome 2, and whose presence plays an important role in the development of type 2 diabetes «The mice with a high - fat diet are more or less likely to develop diabetes depending on whether this gene is active or not,» said Evan Williams, LISP PhD student and the article's co-first author.
These epigenetic switches and markers in turn help switch on or off the expression of particular genes.
The authors reproduced this disorder in mice to explore whether mutations in a particular VGSC, encoded by the SCN8A gene, increase the risk of cardiac arrhythmia, which might, in turn, influence susceptibility to SUDEP.
They started with pairs of fat yellow mice known to scientists as agouti mice, so called because they carry a particular gene — the agouti gene — that in addition to making the rodents ravenous and yellow renders them prone to cancer and diabetes.
Steve: So you might have a gene for a particular brain receptor or, I think what you talk about in the article is not actually the structure of the receptor molecule, but the amount of receptors that you actually produce?
In this way the binding of the DNA to the corresponding nucleosome is changed so that the DNA for example becomes accessible for transcription enzymes and activates a particular gene.
As a graduate student at the University of California, San Francisco, he heard molecular biologist Cynthia Kenyon describe how worms with a mutation in a particular gene had double the lifespan of those without it.
In particular, genes account for only 1.2 percent of the genome's three billion bases.
In flies and mice, «their robustness comes in their genetics, and in particular the ability to rapidly develop systems where we can alter genes,» explains Jonathan Gitlin, a developmental biologist and director of research at MBIn flies and mice, «their robustness comes in their genetics, and in particular the ability to rapidly develop systems where we can alter genes,» explains Jonathan Gitlin, a developmental biologist and director of research at MBin their genetics, and in particular the ability to rapidly develop systems where we can alter genes,» explains Jonathan Gitlin, a developmental biologist and director of research at MBin particular the ability to rapidly develop systems where we can alter genes,» explains Jonathan Gitlin, a developmental biologist and director of research at MBL.
Because the vast majority of genes are encoded with exactly the same code, this particular code is often referred to as the canonical or standard genetic code, or simply the genetic code, though in fact there are many variant codes; thus, the canonical genetic code is not universal.
Angelman syndrome, which causes learning difficulties, speech problems, seizures, jerky movements and an unusually happy disposition, results when a gene inherited from the mother in a particular area of chromosome 15 is mutated and the other copy of the gene, inherited from the father, is silenced.
SEATTLE — Some people who have a particular form of a gene that, when mutated, causes Werner's syndrome — a rare disorder characterized by rapid aging in youth — appear to have a relatively low risk of suffering a heart attack.
«Genetic studies have shown in fact that that commonality is almost entirely due to a particular set of genes.
When produced in excess during times of adversity, these particular miRNAs trigger epigenetic changes, which alter gene activity to cope with these environmental hardships.
As a grad student, I once spent 2 months demonstrating that three particular amino acids on a protein in the arabinose operon (the group of genes that allows bacteria to metabolize a certain sugar) do not play a role in causing that protein to bind to other copies of itself.
When dozens of genes are working together, it's tricky to tease out which one is misfiring in a particular instance.
In a new study, researchers are taking joint biopsy tissue from patients at the start of a new therapy and then six weeks later to see if they can find a predictor gene sequence that will clearly identify which patients respond to a particular therapy.
In actual fact, the gene varies depending on the tissue where it is located (cerebral cortex, cerebellum, olfactory epithelium, etc.); in particular, what varies is the point in the «string» of code at which protein synthesis startIn actual fact, the gene varies depending on the tissue where it is located (cerebral cortex, cerebellum, olfactory epithelium, etc.); in particular, what varies is the point in the «string» of code at which protein synthesis startin particular, what varies is the point in the «string» of code at which protein synthesis startin the «string» of code at which protein synthesis starts.
To figure out what's really happening within an organism — or within a particular organ or cell — researchers are linking the genome with large - scale data about the output of those genes at specific times, in specific places, in response to specific environmental pressures.
Studies seeking subtle signs of selection in the DNA of humans and other primates have identified dozens of genes, in particular those involved in host - pathogen interactions, reproduction, sensory systems such as olfaction and taste, and more.
Having just one copy of a particular variant of a gene called CREBRF is associated with a 1.5 increase in BMI.
Many conditions, including various cancers, heart attacks, lupus, and depression, likely arise when a particular mix of genes collides with something in the environment, such as nicotine or a fatty diet.
Individuals who had a particular variation in a specific gene (platelet derived growth factor D; PDGFD) had a markedly increased risk of adrenal suppression, both in the children with asthma and adults with COPD.
«My part of it was basically to identify what gene was being activated by a particular effector from the bacteria in order to cause disease,» he said.
But geneticists have been struggling to find ways of directing beneficial genes to particular spots in the genome.
Over the longer term, the identification of the coffee tree genome sequence opens up new possibilities for varietal improvement, knowledge of the specific functions of the genes (in particular those specific to coffee trees), the possibility of transferring results to other species, and refining diagnostic tools for the function of the plant.
But some of the babies did not show this normal decrease in vagal tone during distressing periods; the researchers found that these infants who lacked an effective response at ages three and six months shared a particular variant of the DRD2 gene, which regulates receptors for the neurotransmitter dopamine.
In many cases, the activity of particular genes was tied to a single genetic variant, with strong differences in frequency between European and African populationIn many cases, the activity of particular genes was tied to a single genetic variant, with strong differences in frequency between European and African populationin frequency between European and African populations.
Exposure to small amounts of lead may contribute to ADHD symptoms in children who have a particular gene mutation, according to new research published in Psychological Science, a journal of the Association for Psychological Science.
In both cases the genes of the founders become prevalent in the new population, even if they confer no particular selective advantagIn both cases the genes of the founders become prevalent in the new population, even if they confer no particular selective advantagin the new population, even if they confer no particular selective advantage.
Large scientific studies in people and animals may help us understand the role of particular genes and neurochemicals in this process — and whether this process differs in the various forms of autism.
Their research, published in PLOS ONE, focused on one particular gene — TRIM29 — selected from a pool of 100 genes with regulatory patterns specific to normal breast tissue, to prove the link between breast - specific genes and the pathology of cancer.
The researchers have studied analyses of the genetic material of viruses found in newly infected people and, in particular, the gene env, which codes for the protein envelope or «coat» around the virus.
And although the rest of Genghis Khan's genome has certainly, if Zerjal and Tyler - Smith are right, made an outsize contribution to the Central Asian gene pool, it has been chopped to bits and mixed in so thoroughly over the centuries by genetic recombination that no one today is likely to have his whole suite of genes for any particular trait.
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