Sentences with phrase «of single genes for»

Such models aim to elucidate the contribution of single genes for protection against mutations, genomic instability, ageing and ageing related diseases such as cancer.
With the data provided by the FLI researchers, scientists around the world may now set targeted mutations to investigate the relevance of single genes for aging, in order to better understand regulating mechanisms and, eventually, develop new approaches for therapy or prevention of aging - related diseases.

Not exact matches

(insert your own, southerners backwoods joke here) So Mendel fails, in my mind, to adequately account for the very narrow gene pool (read single - celled organism) that the theory of evolution begins with.
Blakemore argues that a single gene mutation could in fact have been the cause of this increase - for in fact only one extra cell - division step would cause a doubling of brain size.
In SIF - seq, hundreds or thousands of DNA fragments to be tested for enhancer activity are coupled to a reporter gene and targeted into a single, reproducible site in embryonic cell genomes.
In yeast, for example, they've found that increasing the activity of a single gene, called Sir2, can significantly extend life span.
Now a single gene is providing some answers, which should lead to a better understanding of sudden infant death syndrome and sleep apnoea, for example.
The disease results from a single mutation in the gene that codes for one of the protein chains that make up the hemoglobin molecule.
Alpha -1-antitrypsin deficiency (A1ATD) is the most common genetic disease of the liver, and is caused by a single nucleotide change in the gene that codes for alpha -1-antitrypsin (A1AT), an enzyme inhibitor that normally protects bodily tissues.
To generate the models, Jackson created two mutated versions of the PrP - coding gene by changing a single codon — one of the three - nucleotide «words» in genes that code for the various amino acids in proteins.
In the new study, the researchers sequenced the entire genome of mice that had undergone CRISPR gene editing in the team's previous study and looked for all mutations, including those that only altered a single nucleotide.
Working with this hypothesis, the researchers conducted a statistical analysis of the CX3CR1 gene in over 7000 schizophrenia and autism patients and healthy subjects, finding one mutant candidate, a single amino acid switch from alanine to threonine, as a candidate marker for prediction.
«This work demonstrates the feasibility of using a single gene editing platform, plus the regenerative power of stem cells to correct genetic mutations and restore dystrophin production for 60 percent of Duchenne patients,» said Pyle, associate professor of microbiology, immunology and molecular genetics and member of the Broad Stem Cell Research Center.
The findings provide proof of principle that restoring the function of a single tumor suppressor gene can cause tumor regression and suggest future avenues for developing effective cancer treatments.
These multigene interactions are subtler and knottier than the single gene drivers of diseases such as hemophilia and cystic fibrosis; spotting them calls for statistical inspiration and rigorous experiments repeated again and again to guard against introducing unproven gene tests into the clinic.
Molecular geneticists dream of having a similarly comprehensive view of networks that control genes: For example, they would like to identify rules explaining how a single DNA sequence can express different proteins, or varying amounts of protein, in different circumstances (see p. 80).
And for about 80 per cent of genes, there is an exact, single match in humans.
It is typically less expensive to get preselected information about the 20,000 or so genes that make up a person's exome — the section of the genome that provides instructions for making proteins — than to perform a more precision - oriented test that targets a single gene.
Sickle cell disease is a recessive genetic disorder caused by a single mutation in both copies of a gene coding for beta - globin, a protein that forms part of the oxygen - carrying molecule hemoglobin.
Rare, deadly, and caused by a single gene mutation, it was a perfect proof - of - principle condition for anyone seeking to replace damaged DNA with genes that did the job.
«Single gene encourages growth of intestinal stem cells, supporting «niche» cells, and cancer: Finding in mice could lead to new therapies for damaged organs, cancer.»
There is little dispute that genetics accounts for a large amount of the variation in people's intelligence, but studies have consistently failed to find any single genes that have a substantial impact.
«What is so remarkable about dati is that females that are mutant for just this single gene can never decide to accept males, no matter how hard the males try to impress them» says Joseph Schinaman, a PhD student and first author of the publication.
Now researchers have identified a single gene, called fruitless (fru), as responsible for the development of male sexual behavior in the fly.
For Helicobacter pylori, a pathogenic bacterium that colonizes over 40 percent of the world population and is associated with gastric cancer, the team discovered that epigenetic heterogeneity can quickly emerge as a single cell divides, and different subpopulations with distinct methylation patterns have distinct gene expressions patterns.
«By sequencing all of the DNA that codes for mRNA and ultimately, proteins, Dr. Amin and colleagues found a single gene that may account for as much as 4 % of the heritable risk for depression,» said Doctor John Krystal, Editor of Biological Psychiatry.
«For the first time, we can predict the outcomes of modifying multiple genes involved in lignin biosynthesis, rather than working with a single gene at a time through trial and error, which is a tedious and time - consuming process,» says Jack Wang, assistant professor in NC State's College of Natural Resources and lead author of a paper about the research in Nature Communications.
A single variation in the gene for brain - derived neurotropic factor (BDNF) may influence obesity in children and adults, according to a new study funded by the National Institutes of Health.
When a single gene exists in the ancestral mutation, that would have made for higher levels of enzyme expression, would have messed up with sensory function.
«This treatment takes into account the entire genomic pattern, and shows that affecting a single gene is not enough for the treatment of pancreatic cancer or any cancer type in general,» according to Prof. Satchi - Fainaro.
«We can't screen for every possible disease gene, which is another reason to limit the number of offspring from a single donor,» says Prof Sydsjö.
They have discovered that a single amino acid difference in the structure of histone H3.3 enables it to serve as a kind of memory device for the cell, marking genes that need to remain active.
The authors also provide experimental validation for using active genetics as an efficient means for targeted gene insertion, or «transgenesis,» and single - step replacement of genetic control elements.
By going gene hunting in the Phenome Room, Jackson Laboratory scientists hope to steer their colleagues away from the search for single genes in favor of hunting for gene networks.
Single - cell differential gene expression analysis revealed a spectrum of known transcripts, including several linked to cytotoxic and costimulatory function that are expressed at higher levels in the TEMRA (effector memory T cells expressing CD45RA) subset, which is highly enriched for CD4 - CTLs, compared with CD4 + T cells in the central memory (TCM) and effector memory (TEM) subsets.
With the completion of the first phase of the Human Genome Project in 2000, and the advent of sequencing technologies that can detect gene variations such as single nucleotide polymorphisms (SNPs), for the first time scientists have the tools in hand to find the key immune genes and genetic networks that play roles in vaccine response.
The team found that a single polymorphism (a difference in one «letter» of the sequence) in the BDNF gene accounted for significant differences in intelligence among those with similar injuries and comparable intelligence before being injured.
«First, there is no single road map to eusociality — the complex, cooperative social system in which animals behave more like superorganisms than individuals fending for themselves,» said Gene Robinson, a lead on the study who is a professor of entomology and director of the Carl R. Woese Institute for Genomic Biology at the University of Illinois.
«For the first time we've found that almost every complex disease has a unique set of associations with single - gene diseases.
Hereditary predisposition to cancer is sometimes due to a single high - risk genetic change, like a mutation in the BRCA1 or BRCA2 genes for breast cancer, but most of the time, the disease is the result of multiple gene variants that add up, environmental risk factors, and a big element of chance.
He has worked in the biotech industry as a research scientist for over 11 years with a focus on emerging technologies including gene targeting in mice, molecular analysis of transgenes using GFP variants at the single cell level, and developing flow cytometry reagent kits to speed up assay development time for researchers.
The absence of a single gene tree identical to the avian species tree is consistent with studies in yeast (82), indicating that phylogenetic studies based on one or several genes, especially for rapid radiations, will probably be insufficient.
«For species that have a very rapidly changing environment, this process of co-option of single genes may be fairly important.
The study, published in Nature Genetics, offers the possibility that targeting these processes, instead of single genes, may provide new opportunities for treatment of Wilms tumor.
A single injection of a new treatment has reduced the activity of the gene responsible for Huntington's disease for several months in a trial in mice.
An alteration in the neuregulin - 1 gene — a single change in one letter of the DNA code for the protein — has been found in families with schizophrenia and linked to late - onset Alzheimer's disease with psychosis.
Brandis and Hughes changed many different codons and showed that changing even a single codon in the gene for this protein into any one of the alternative «synonymous» codons reduced the «fitness» of Salmonella.
For each gene, the researchers compared the number of single letter mutations that alter the encoded protein versus silent mutations that have no effect.
Instead, Werren likened the functionality of these single - copy genes to «moonlighting» for extra cash, with the genes taking on a «night job» in the venom gland in addition to their «day job» elsewhere in the body.
As a postdoc in the lab of Zefeng Wang, PhD, a member of the UNC Lineberger Comprehensive Cancer Center, Choudhury stumbled upon DAZAP1 while searching for proteins involved in alternative splicing — when a single gene organizes its genetic code to create different proteins with various functions.
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