Researchers once thought that the groups» distinct physiological and behavioral profiles stemmed from
a variant in a single gene.
Not exact matches
No particular genetic
variant was shared across all synesthetes
in all three families, suggesting there is no
single «synesthesia
gene» or set of
genes.
This process known as «alternative splicing» and allowing a
single gene to generate multiple protein
variants is especially prevalent
in the mammalian brain.
Reviewing thousands of genome wide associate studies (GWAS) to identify genetic
variants in single nucleotide polymorphisms (SNPs), investigators at Dartmouth's Norris Cotton Cancer Center found that some alleles (one of a pair of
genes located on a specific chromosome) are more frequently risk - associated with disease than protective.
In all, the study included the data of more than 23,000 people to show that approximately 12 percent of a person's variation in delay discounting can be attributed to genetics — not a single gene, but numerous genetic variants that also influence several other psychiatric and behavioral trait
In all, the study included the data of more than 23,000 people to show that approximately 12 percent of a person's variation
in delay discounting can be attributed to genetics — not a single gene, but numerous genetic variants that also influence several other psychiatric and behavioral trait
in delay discounting can be attributed to genetics — not a
single gene, but numerous genetic
variants that also influence several other psychiatric and behavioral traits.
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.
In many cases, the activity of particular genes was tied to a single genetic variant, with strong differences in frequency between European and African population
In many cases, the activity of particular
genes was tied to a
single genetic
variant, with strong differences
in frequency between European and African population
in frequency between European and African populations.
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.
BROCA detects all
single base substitutions, insertions and deletions and copy number
variants in all 24
genes implicated
in breast cancer.
Now, a study led by a researcher at the Salk Institute has found that
variants of a
single gene can largely determine a plant's ability to thrive
in environments where iron is scarce.
«Identifying these
gene variants linked to both type 2 diabetes and CHD risk
in principle opens up opportunities to lower the risk of both outcomes with a
single drug,» said study co-senior author Danish Saleheen, PhD, an assistant professor of Biostatistics and Epidemiology.
Other medical sequencing projects will use DNA sequencing to: discover new
genes that are involved
in common diseases; identify the
genes responsible for dozens of relatively rare,
single -
gene (autosomal Mendelian) diseases; sequence all of the
genes on the X chromosome from affected individuals to identify those involved
in sex - linked diseases; and survey the range of
variants in genes known to contribute to certain common diseases.
The results also showed that polymorphism, a genetic
variant that can change the way a particular
gene functions, is possible under a wide range of conditions, which results
in a
single population playing a variety of different behavioral games.
Cardiomyopathy can be caused by a
single mutation
in any one of a number of
genes, each one resulting
in a slightly different
variant of the disease.
Sequencing accelerates the analysis of cancer associated alterations
in genome sequence such as insertions and deletions, CNVs, inversions, duplications, translocations and
gene fusions, as well as
single nucleotide
variants.
In a study, published in Science, they investigated a gene region that contains a particular single nucleotide variant associated with increased risk for developing colorectal and prostate cancers — and found that removing this region caused dramatic resistance to tumor formatio
In a study, published
in Science, they investigated a gene region that contains a particular single nucleotide variant associated with increased risk for developing colorectal and prostate cancers — and found that removing this region caused dramatic resistance to tumor formatio
in Science, they investigated a
gene region that contains a particular
single nucleotide
variant associated with increased risk for developing colorectal and prostate cancers — and found that removing this region caused dramatic resistance to tumor formation.
The investigators found that people who carry a
single copy of the KL - VS
variant of the KLOTHO
gene, roughly 20 percent of the population, have more klotho protein
in their blood than non-carriers.
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.
In each case they checked tiny sites of known DNA - sequence variations — «
single nucleotide polymorphisms» — that mark common
gene variants.
Studying a specific type of genetic variation
in the DNA sequences of wolves and domestic dogs - called
Single Nucleotide Polymorphisms (SNPs)- the scientists identified the transfer of dog
gene variants into wolf genomes.
In the first paper, utilizing genomic analysis of nearly 8,500 Icelandic and Dutch participants, the deCODE team identified a novel, tightly - linked pair of
single - letter
variants (SNPs) near the ASIP (agouti signaling protein)
gene on chromosome 20 that greatly increase the likelihood of an individual being prone to freckles and sunburn.
This idea is intuitive:
in theory, large - effect
variants would be kept at low frequency by natural selection, a pattern that's well established for mutations that cause rare
single -
gene disorders.
Anna Vorobyeva is characterizing human autism - associated
single nucleotide
variants (SNVs)
in genes encoding proteins that regulate global protein synthesis.
In a new study, Sklar and her colleagues are scanning 500,000
gene variants, known as
single nucleotide polymorphisms, obtained from a sampling of patients with bipolar disorder.
Phenotypes that result from changes (i.e.,
variants)
in a
single gene (i.e., monogenic) and that can be transmitted from parents to offspring
in Mendelian patterns, such as autosomal dominant, autosomal recessive, X-linked, are known as Mendelian phenotypes.
First, Dr. Shendure described some interesting experiments under way
in his lab to elucidate the function of non-coding regulatory
variants — specifically,
single nucleotide changes
in the core promoter that alter
gene transcription.
Carrier testing can be ordered
in various ways, including targeted
single gene disease testing, panel testing of multiple genetic diseases, or less commonly through a broad genomic test looking for genetic
variants throughout the genome or exome.
Finding just a
single additional case with a deleterious
variant in the same
gene and overlapping phenotype may provide sufficient evidence to identify the causative
gene, but today, case data sits
in isolated databases.
This section invites manuscripts describing (a) Linkage, association, substitution or positional mapping and epigenetic studies
in any species; (b) Validation studies of candidate
genes using genetically - engineered mutant model organisms; (c) Studies focused on epistatis and
gene - environment interactions; (d) Analysis of the functional implications of genomic sequence variation and aim to attach physiological or pharmacogenomic relevance to alterations
in genes or proteins; (e) Studies of DNA copy number
variants, non-coding RNA, genome deletions, insertions, duplications and other
single nucleotide polymorphisms and their relevance to physiology or pharmacology
in humans or model organisms,
in vitro or
in vivo; and (f) Theoretical approaches to analysis of sequence variation.
To explore the possibility of common genetic pathways within the respective pathophysiologies, nine ADHD candidate
single nucleotide polymorphisms (SNPs)
in seven
genes were tested for association with PD
in 5333 cases and 12,019 healthy controls: one
variant, respectively,
in the
genes coding for synaptosomal - associated protein 25 k (SNAP25), the dopamine (DA) transporter (SLC6A3; DAT1), DA receptor D4 (DRD4), serotonin receptor 1B (HTR1B), tryptophan hydroxylase 2 (TPH2), the norepinephrine transporter SLC6A2 and three SNPs
in cadherin 13 (CDH13).
Might mating between an ancient human and a Neanderthal - perhaps occurring
in only a
single instance - have introduced a
gene variant into the human population that enhanced human brain function?
Genome - wide association studies use «genechip» technology to identify genetic
variants (
single gene polymorphisms or «SNPs») that could explain differences
in health between individuals.
[PMID 26175754] DNA methylation and
single nucleotide
variants in the brain - derived neurotrophic factor (BDNF) and oxytocin receptor (OXTR)
genes are associated with anxiety / depression
in older women
Methods.: Dogs of various breeds, affected or unaffected with primary glaucoma, were genotyped for the Gly661Arg
variant of ADAMTS10, as well as 7 other nonsynonymous
single nucleotide polymorphisms (SNPs)
in other
genes in the beagle POAG locus that segregate with disease.