«They're doing 50 genes rather than a whole exome»
for a gene sequencing study.
Bray speculates that in the future, patients might submit saliva samples
for gene sequencing, along with using automated sensors to collect information about factors such as their environment, diet, activity and stress.
Rudenko and Oliver send DNA from the cultured spirochetes
for gene sequencing at a lab at the University of Washington in Seattle.
To this purpose, GenProfile utilizes a powerful technology platform, which involves proprietary high - throughput technologies
for gene sequence comparison (e.g., multiplex sequence comparison), genotyping (MALDI - TOF minisequencing), unique approaches to data analysis and interpretation, as well as a large network of clinical collaborators.
I question why they chose to look
for a gene sequence that is so common in the environment when a much more specific method could easily have been used.
Not exact matches
Given the similarities between the Canadian Patent Act and its U.S. counterpart
for the definition of «invention», the Canadian Patent Office has
for many years granted claims like Myriad's to isolated
gene sequences and continues to do so.
The ability to locate the individual
gene or
gene sequence responsible
for each disease could revolutionize biomedicine in the 21st century.
Speaking about the film recently in Los Angeles, Cera — who in this film, takes some refreshingly bold steps away from his usual one - note nerd persona — and co - writer / director Edgar Wright (who also did the zany cult classics Shaun of the Dead and Hot Fuzz) discussed the meaning of the film, the stretching Cera had to go through
for the role, and the way in which the film's hyperkinetic action
sequences are really just the same as the dance scenes in Grease or a
Gene Kelly movie.
For their experiments, the researchers created hybrids of two genetically distinct mouse strains with a fully
sequenced genome, allowing
gene variants to be clearly assigned to the maternal or paternal allele.
Using Atlantic killifish (Fundulus heteroclitus), the researchers examined whether mitochondrial - nuclear interactions alter the frequency of alternative forms of a
gene that arise by mutation, called alleles,
for over 11,000 nuclear DNA
sequence variations within a population of the fish with mixed ancestry.
The scientists compared the genetic
sequence of five related strains of the species, looking
for orphan
genes and examining the life cycles of the various
genes in the fly genome.
An international team led by researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a new technique
for identifying
gene enhancers —
sequences of DNA that act to amplify the expression of a specific
gene — in the genomes of humans and other mammals.
In 1980 Fiers first
sequenced the
gene for hemagglutinin derived from the human influenza strain H3N2 that circulated in 1965.
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.
The even greater surprise is the recent discovery that epigenetic signals from the environment can be passed on from one generation to the next, sometimes
for several generations, without changing a single
gene sequence.
These are
sequences made in the lab from RNA — the template used to produce the proteins that
genes code
for.
Which
genes are activated and which are turned off is in part determined by a second tier of information which is superimposed on the nucleotide
sequences that provide the blueprints
for protein synthesis.
And a dog genome
sequence has made the animals an even more useful model by quickening the search
for disease - causing
genes.
Almost immediately such familial genome
sequencing proved its value, uncovering mutations responsible
for diseases caused by defects in a single
gene.
«
Gene sequencing study reveals unusual mutations in endometriosis: Findings advance search
for new ways to classify aggressive forms of the disease.»
He and his colleagues have been trawling the world's oceans
for microbes and
sequencing their
genes.
The Tetrahymena intervening
sequence (IVS) has been inserted into the
gene for the alpha - donor fragment of beta - galactosidase in a recombinant plasmid.
On the other hand, by deciding that an EST
sequence does not provide an adequate written description of a claim directed to «a
gene,» the PTO has preserved the possibility
for a
gene itself to be patented once its full - length
sequence is determined.
«
For example, among individuals carrying the SNP
sequence «TGT» at all three locations on both copies of the
gene, 62 percent were blue - eyed,» says Sturm's colleague David Duffy.
The policy — in the form of first Office Actions on a series of applications
for patents on expressed
sequence tags, ESTs — could greatly complicate basic
gene therapy research by substantially allowing patents
for small
sequences of a
gene that may later be used by the patent holder to corner ownership and uses of entire
genes.
As
for the identities of Mendel's other four
genes, Weeden says he expects them to be revealed in the next few years as more plant genomes give up their
sequences.
The team
sequenced the
gene that codes
for the NaV1.7 channel in mole rats, and compared it with SCN9A — a key
gene in the human version of the channel.
But the predictability they did hope
for could be threatened by an evolving policy on the patentability of
gene sequences, which is emerging from the U.S. Patent and Trademark Office in Washington.
To build a family tree
for the orchids, the scientists
sequenced genes in the green structures, called chloroplasts, in which plants transform solar energy into sugar.
Using RNA
sequencing, the researchers found multiple
genes whose abnormal expression could lead to the high rate of death
for cloned embryos, including failure to implant in the uterus and failure to develop a normal placenta.
Sequencing the genome of one such organism, King and her colleagues found
genes that code
for pieces of the same proteins used
for the binding of cells and communication between cells in animals — functions that would be unexpected in such an organism.
Using a technique known as single - cell RNA
sequencing, the team explored more than 65,000 individual cells that exist under normal or inflammatory conditions, looking
for genes that were more active in one state or subpopulation versus another.
The samples were analyzed by liquid chromatography - mass spectrometry (LC - MS) to characterize the metabolite composition («metabolomics»), and biocrust DNA was extracted
for shotgun
sequencing to measure single copy
gene markers
for the dominant microbe species («metagenomics»).
But researchers had never managed to
sequence Mendel's
gene for seed color, and the pea genome is too huge to go fishing
for it, says co-author Norman Weeden, a pea researcher at Montana State University.
The two proteins have different biochemical properties and recognize different DNA
sequences, so these properties create more options
for gene - editing,» said Dr. Olson, who holds the Pogue Distinguished Chair in Research on Cardiac Birth Defects, the Robert A. Welch Distinguished Chair in Science, and the Annie and Willie Nelson Professorship in Stem Cell Research.
With epigenetics we mean such changes in
genes that are not determined by changes in the actual DNA
sequence, but effects that are superimposed on this, caused
for example by environmental effects.
«I think it's important [
for journals] to be discussing this, but I think it's unrealistic to think that journals can and should play the role of the sole enforcer,» says Claire Fraser, director of The Institute
for Genomic Research in Rockville, Maryland, which posts a range of microbial
gene sequences online.
So, you know, the
gene sequences for hemoglobin fossilize because there was no selection pressure to keep them around and, you know, like your freezing penguins they could be victimized by the warm up.
The growth of publicly accessible data troves on genome
sequences,
gene activity, and protein structures and interactions has opened new territory
for biologists.
«We've
sequenced everything on this planet, and we still don't know 149
genes that are most essential
for life!»
They argue that anyone whose genome is
sequenced for any medical reason should automatically learn whether 57 of their
genes put them at risk of certain cancers, potentially fatal heart conditions, and other serious health problems.
They
sequenced the
gene coding
for the receptor in patients with either severe skin allergies or hyper - IgE syndrome, a rare condition in which the body produces too much IgE.
By comparing the genetic
sequences of the mutant and normal flies, the researchers found that the forgetful flies had an inactive copy of a
gene that he and his Chilean collaborators dubbed Volado (Vol)-- South American slang
for absentminded.
As the cost of
gene sequencing drops, DNA being
sequenced for one purpose may yield many other secrets, such as the risk of certain cancers and Alzheimer's disease.
Near each Crispr
sequence are
genes for a variety of Cas (Crispr - associated) enzymes, including Cas9.
In March three separate teams announced that they had zeroed in on a DNA
sequence on chromosome 1 that carries the
gene for complement factor H, a protein involved in regulating inflammation.
The trust now plans to increase its spending from $ 160 million to $ 325 million over 7 years at the Sanger Centre near Cambridge — Britain's main
gene sequencing laboratory —
for more painstaking efforts to
sequence a third of the human genome by 2005.
But the benefits of this technology
for discerning the circuits of the mind go much deeper, because the virus that carries the photoreceptor
genes can also carry promoter
sequences that express their payload only in neurons with the appropriate molecular address.
Before the consortium came together, he had participated in
sequencing the genomes of two vocal learners, a songbird and a parrot, but he knew he couldn't do all of the additional
sequencing and analysis work that would be required to identify
genes related to vocal learning — not by himself, at least — so he teamed up with Genome 10K, a project aiming to collect genomes
for 10,000 vertebrate species.
In tomorrow's issue of Nature, a team of scientists from The Institute
for Genomic Research (TIGR) in Rockville, Maryland, will publish the complete genetic
sequence of the bacterium Helicobacter pylori, spelling out the precise molecular composition of the organism's
genes.