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 FADS
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 FADS
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 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 increas
In addition, new
genes arise regularly, although the number
of genes in a particular organism does not seem to increas
in 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 pl
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 pl
Gene 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 MB
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 MB
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 MB
in 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 start
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 start
in particular, what varies is the point
in the «string» of code at which protein synthesis start
in 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 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.
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 advantag
In both cases the
genes of the founders become prevalent
in the new population, even if they confer no particular selective advantag
in 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.