Sentences with phrase «so gene variants»

So gene variants that have been selected for are often found surrounded by the same stretches of DNA, whereas those that have not been selected do not have consistent genetic neighbours.

Not exact matches

Every gene in (almost) every cell of the body is present in two variants — so called alleles: one is deriving from the mother, the other one from the father.

These are subjected to so - called next generation sequencing, a technique that sifts the vast genetic composite, ferreting out sequence variants (or alleles) caused by mutations in genes.

«So, a variant of gene with a positive effect on intelligence, has a negative effect on schizophrenia, body mass index or obesity.»

The IGF1 protein is crucial for the growth of mammals, including mice and humans, so Ostrander's group and other collaborators began collecting DNA from additional breeds to see if they also shared the same gene variant.

In general, more than 70 percent of schizophrenia cases are sporadic versus familial — so many patients have variants of influential genes that have occurred in them for the first time.

«So a [gene variant] that conferred risk to asthma confers protection against [worm infection].»

We did not find any evidence for a so - called «positive selection» but instead found that many gene variants linked to schizophrenia reside in regions of the genome in which natural selection is not very effective in the first place.

So scientists can now use the so called gene chips to scan people's DNA for hundreds of thousands of genes and different variants of geneSo scientists can now use the so called gene chips to scan people's DNA for hundreds of thousands of genes and different variants of geneso called gene chips to scan people's DNA for hundreds of thousands of genes and different variants of genes.

Here's a gene that's central to how nerve cells communicate with each other, so it's curious to us to see a grossly different protein variant.

McRae and colleagues found that the genetic variants associated all lie in or near genes that encode so - called odorant or olfactory receptors.

All land vertebrates carry a version of the FOXP2 gene, so some of the Oxford researchers then teamed up with colleagues from the Max Planck Institute for Evolutionary Anthropology in Germany to analyze what is unique about the variant in humans and to track how the gene had evolved in our ancestors.

Although the gene sequences were not identical to the Mikovits - Ruscetti XMRV gene sequence reported in Science, they were so close Lo believed he had found genetic variants of a single MLV - like virus species that likely included XMRV.

So are several other gene variants.

For example, some people have a particular variant of the ADH1B gene that causes an amino acid change in this enzyme, which leads to faster enzyme activity so individuals with this variant metabolize alcohol more rapidly which means that acetaldehyde levels are temporarily increased.

«MARRVEL helps to facilitate analysis of human genes and variants by cross-disciplinary integration of 18 million records so we can speed up the discovery process through computation,» Liu said.

The gene variants that have been identified so far contribute only weakly to the risk of contracting the disorder.

Now researchers can look to see whether those variants are involved in regulation of some sort and if so, what genes are being regulated.

The FRO2 gene is common to all plants, so boosting its expression in food crops or finding variants that thrive in poor soils could be important for increasing crop yields in the face of population growth and global warming's threats to arable land.

The other finding was of a variant near genes for several so - called semaphorins, proteins that guide developing nerve cells as they grow toward their final targets.

The existence of so many rare variants complicates efforts to study the relationship between genes and health.

A naturally occurring variant in a different gene, the so - called APOE2 allele, has been previously shown to protect against Alzheimer's disease, but Stefansson says the new variant, while rarer, confers much greater protection.

One possible hypothesis: coffee hounds have gene variants that increase their metabolism of caffeine, «so to maintain levels that give them [the same] fix, they require more» coffee, Cornelis says.

Transfers of DNA happen so much that bacteria can have all sorts of different combinations of genes and gene variants.

The researchers discovered a single letter variant located in TP53, a gene known to play a central role in tumor biology and for accumulating so called somatic mutations, during the development of cancer in patients.

Testing indicated that Jolie had a gene variant associated with very aggressive form of this cancer, so she opted for a double mastectomy.

the evolution of domesticated animals has been underway for so long that we can now see the evolution of gene variants, that is, genes in which several successive mutations gradually changed the function of the gene.

And one variant of this gene causes the liver to break down caffeine very quickly, so those of us who receive two of the fast caffeine genes handle coffee and tea like a boss.

Even more encouraging is evidence that polyphenols in olive oil can interact with a hereditary gene variant of endothelial nitric oxide synthase (the NOS3 Glu298Asp polymorphism, which is a risk factor for hypertension and coronary artery disease), to improve endothelial function after meals.19 So, even if genetics are not in your favor, olive oil may help.»

So the short answer to your question is no, you can not compensate for an MTHFR gene variant by taking more folate in your diet.

The researchers measured the participants» genetic risk by identifying how many of the 32 known variants of the so - called obesity gene each person had.

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In cats only E and e have been documented so far, but in rabbits there are at least 4 variants of the Extension gene (alleles).