Sentences with phrase «with gene sequences»

As with gene sequences, public databases house results from many large - scale array experiments that serve as useful comparative information for other researchers.
As the name suggests, ecRNA partially overlaps with a gene sequence that produces messenger RNA; but it also includes RNA sequences from DNA beyond the gene boundary.

Not exact matches

That's not to say gene editing is new (it isn't), but Crispr simplifies the process by using molecular scissors that can be precisely targeted to snip out aberrant regions of genetic code, which can then be replaced with the correct sequences.
With respect to antibiotic resistance, this novelty can be induced and we can trace the novelty to particular mutations arising absent gene transfer; i.e. the genes which give rise the resistance were not present prior to the mutation, they are new sequences and not simply the activation of dormant genes.
A separate genetics adviser will review, support and identify potential linkages in the genetics component of methane mitigation, including genomics (work on recombinant DNA and gene sequencing) and genetic interaction with environment.
This dataset contains millions of genomic sequences from a diverse set of rice varieties that, when combined with phenotyping observations, gene expression, and other information, provides an important step in establishing gene - trait associations, building predictive models, and applying these models to breeding.
The CRISPR approach is very good at disabling genes, but using the technique to fix them is much harder, because it involves replacing a faulty sequence with another.
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.
The vaccine can be targeted to the chosen pathogen by using RNA molecules which share sequence identity with the pest's genes and prevents their expression.
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.
In the new research, the UB scientists found they could reverse those social deficits with a very low dose of romidepsin, which, they found, restores gene expression and function using an epigenetic mechanism, where gene changes are caused by influences other than DNA sequences.
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.
A transgenic mouse — one with foreign genes swapped into its DNA — poses with its own gene sequence at Harvard Medical School.
I remember looking at the report and realizing that there were all of these similar genes in all of these different animals and thinking: «Maybe a careful reading of the papers associated with the sequences most similar to mine will tell me something about my own gene
Using gene sequencing tools, scientists from Johns Hopkins Medicine and the University of British Columbia have found a set of genetic mutations in samples from 24 women with benign endometriosis, a painful disorder marked by the growth of uterine tissue outside of the womb.
Night after night Rienhoff tediously compared his daughter's DNA sequence with reference sequences stored in several major genomic databases — Ensembl, Heidelberg, and the UCSC Genome Bioinformatics gene bank, among others.
The inserted DNA both knocks out the gene and, along with some adjacent mouse DNA, becomes a unique sequence tag marking that gene.
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.
With the successful completion of genome - sequencing projects, science's knowledge of genes and proteins has increased exponentially.
Brains of individuals who died with Huntington's, Parkinson's or no neurological condition were analyzed using sequencing technology that provides a data readout of the activity of all genes in the genome.
However, the results of more recent phylogenetic analyses, derived from comparisons between sequences of specific genes and of whole genomes, seemed to point to Ctenophora as the first group that parted company with the lineage from which the rest of the animal kingdom (including sponges) evolved.
The idea of «reversal drives,» which would overwrite mutated genes with the original sequence, often arises as a promising solution to gene drives gone wild.
Genes in Space - 1 marked the first time the PCR was used in space to amplify DNA with the miniPCR thermal cycler, followed shortly after by Biomolecule Sequencer, which used the MinION device to sequence DNA.
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.
A Canadian project called FORGE (finding of rare disease genes) aims to sequence children and families with 200 different disorders this year.
Lu's team will extract immune cells called T cells from the blood of the enrolled patients, and then use CRISPR — Cas9 technology — which pairs a molecular guide able to identify specific genetic sequences on a chromosome with an enzyme that can snip the chromosome at that spot — to knock out a gene in the cells.
Next, he synthesised 50,000 DNA strands with sequences that almost matched parts of the 24 genes involved in lycopene production, but with a range of variations that he hoped would affect the amount of lycopene produced.
Using metabolic function analyses of identified genes, we compared our human genome with the average content of previously sequenced microbial genomes.
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.
In a 1995 Science paper, Venter's team sequenced the genome of Mycoplasma genitalium, a sexually transmitted microbe with the smallest genome of any known free - living organism, and mapped its 470 genes.
«Gene sequencing has opened a huge door to how complex these communities are,» says Patrick Seed, a Duke pediatrician specializing in infectious disease, who with biologist Rob Jackson is a lead investigator of the premature infant study.
This is the most complete and accurate bread wheat genome assembly to date with 91 per cent (98,974 genes) of the total genome annotated and assembled — a total sequence length of 13.4 GB.
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.
The map allows gene hunters to get away with less (and thus cheaper) DNA sequencing while still, it's hoped, homing in on disease genes.
The AcrA - PPMO also was effective against the human pathogens Klebsiella pneumoniae and Salmonella enterica, since those bacteria contain the same efflux pump with a matching gene sequence, Dr. Greenberg said.
But by investigating the DNA sequence around the resistance genes, the team figured out how the resistance genes transfer occurred through a new mechanism named «carry back,» where the pathogen basically has a primitive form of «sex» with the Actinobacterium and takes up its resistance genes after it dies.
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.
New genome - sequencing research suggests white European people with two copies of variant forms of MC1R, a gene linked to pale skin and red hair, have faces that appear up to two years older than those who are the same age but don't have both copies.
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.
Gene sequencing revealed two regions associated with major depressive disorder on one of the 23 pairs of chromosomes.
Using a novel combination of technologies, including trio exome sequencing of patient / parental DNA and genetic studies in the tiny larvae of zebrafish, the EuroEPINOMICS RES consortium found that mutations in the gene CHD2 are responsible for a subset of epilepsy patients with symptoms similar to Dravet syndrome — a severe form of childhood epilepsy that is in many patients resistant to currently available anti-epileptic drugs.
So to reveal their function, biologists used the sequence information along with a technique called RNA - mediated interference (RNAi) to temporarily inactivate each of nearly 17,000 of the worm's genes.
In the case of β - ionone, the smell associated with violets, McRae and colleagues managed to pinpoint the exact mutation (a change in the DNA sequence) in the odorant receptor gene OR5A1 that underlies the sensitivity to smell the compound and to perceive it as a floral note — people who are less good at smelling β - ionone also describe the smell differently, as sour or pungent, and are less likely to find it pleasant.
Three years ago, they sequenced B. theta's entire genome, which enabled them to work with a gene chip that detects what proteins are being made at any given time.
With such long stretches of DNA, Hung and his team could assess the extent to which the sequences of DNA code in the genes in the three specimens varied from bird to bird.
New, sophisticated gene sequencing techniques are leading to an increasing understanding of the causes of genetic disease, and can help parents with affected children make informed reproductive choices, the annual conference of the European Society of Human Genetics will hear.
But critics warn that genetic engineering has a dark side too, and could lead to designer babies or the release of dangerous DNA sequences into the gene pool, with dire environmental consequences.
«Single - nucleus RNA sequencing, droplet by droplet: DroNc - Seq, technology that merges single - nucleus RNA sequencing with microfluidics, brings new scale to gene expression studies in complex tissues.»
Pryer's team began a crowdfunding project with the help of the online site Experiment.com, hoping to gain $ 15,000 to sequence the fern's genes.
The researchers from Queen Mary University of London sequenced the HAS2 gene in thirteen similar or related mammals, combining the data with DNA sequences extracted from 57 published genomes representing all the major mammal groups.
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