Sentences with phrase «snippets of»

Using tiny snippets of DNA as «barcodes,» researchers have developed a new technique for rapidly screening the ability of nanoparticles to selectively deliver therapeutic genes to specific organs of the body.
By suppressing genes that are active in the developing embryo, silenced just before birth, and re-activated years later in many advanced cancers, the let - 7 family of «microRNAs» — tiny snippets of RNA that can put the brakes on expression of selected genes — appears to prevent human cancer cells from reasserting their prenatal capacity to divide rapidly, travel and spread.
Researchers design snippets of proteins (peptides) that, like Jello *, form semisolid gels under the right conditions in solution.
They found some snippets of the C. elephantopus genome in the population, and using a special computer model they analyzed how recently these genes would have entered the population.
This new RNA type is distinct from microRNAs, snippets of genetic material that are also known to influence a person's risk of developing tumors.
The researchers found that snippets of DNA called enhancers can boost the frequency of bursts, suggesting that these bursts play a role in gene control.
These approaches map genomes by aligning hundreds of millions of small, overlapping snippets of DNA, typically about 100 bases long, and then analyzing their DNA sequences to construct a map of the genome.
But when Overballe - Petersen knocked out part of this machinery in his bacteria, they carried on taking in short snippets of DNA, unfazed.
The researchers got the volunteers to listen to hundreds of snippets of speech taken from a database designed to provide an efficient way to cycle through a wide variety of phonemes, while monitoring the signals from the electrodes.
Past work by Yoo and his colleagues — then at Stanford University — showed that exposure to two short snippets of RNA turned human skin cells into neurons.
A nonsense PR stunt is doing the rounds, but finding snippets of DNA that are associated with whether you like a particular food doesn't actually mean much
The sequencing technology works by first chopping the genome into single - stranded DNA fragments and combining them with snippets of known synthetic DNA so that they form small circles of about 400 bases.
It can retrieve video, audio or text snippets of past conversations with people he has spoken with, and even provide real - time links between past chats and topics he is currently discussing.
Adding some complexity to the seemingly simple life of a single - celled organism, researchers have found that a green alga uses snippets of RNA to control its genes.
During the fMRI session, participants had to listen to snippets of classic genre songs and provide pleasure values on a scale from 1 to 4 in real time.
To find the segment, the team tried inserting various snippets of the rat DNA that codes for VR1 into corresponding positions of chicken DNA.
To make one of their simplest circuits, Wong's team inserted four extra snippets of DNA after a promoter.
Three years ago, he set out to create a microscopic profile of personal health, cataloging not just an individual's genes but also proteins, snippets of RNA, and other crucial molecules.
The chips carry snippets of known genetic material that, when paired up by DNA in a test sample, tell researchers what genetic code is present.
In essence, microarrays are fingernail - sized chips embedded with snippets of known DNA.
Bacterial microbes face a never - ending onslaught from viruses and invasive snippets of nucleic acid known as plasmids.
A new algorithm doubled the rate of cooperation between humans and AI across 472 games by adding short snippets of conversation known as «cheap talk».
AN ARTIFICIAL intelligence has taught itself to recognise concepts just by watching snippets of video.
To upgrade their DNA «switches,» Wong and his colleagues steered clear of transcription factors and instead switched human kidney cell genes on and off using scissorlike enzymes that selectively cut out snippets of DNA.
Amy Buck and her colleagues studied microRNAs, snippets of genetic material in a host organism — you, for instance — that influence the proteins the organism's cells produce.
Twenty subjects, while lying in an fMRI machine, listened to two - and - a-half second snippets of sounds conveying emotions: from a cheery «ha ha» or enthusiastic «woo hoo») to a fearful «aaah» and a grumpy «blech.»
But he delights in finding snippets of accuracy in films, which to him, «is like finding an inside joke.»
For the new study, Geisbert and his colleagues used snippets of so - called small interfering RNAs (siRNA), which can tinker with a virus's replication.
The conflicting analyses, however, were based on small snippets of the genome.
Then they anchored numerous identical snippets of single - stranded DNA to the glass surface between the electrodes.
Evidence of the virus itself, in the form of snippets of genetic material found in DNA from white blood cells, was discovered in three of them, each living in a different village.
CRISPR - Cas copies snippets of DNA from invading viruses so that subsequent generations of bacteria can repel these pathogens more effectively.
Everyone had their own way of making snippets of DNA.
The researchers incubate cells with tiny snippets of single - stranded DNA engineered to slip into the cells» outer membranes, covering each cell like the hairs on a tennis ball.
The new study demonstrated the advantages of an in vivo DNA barcoding technique, which attaches small snippets of DNA to different lipid - based nanoparticles that are then injected into living animals; more than a hundred nanoparticles can be tested in a single animal.
These microbes essentially keep mug shots of dangerous viruses in their DNA, storing snippets of viral genes between certain repeated segments of their own genes in a natural biological process known as CRISPR, for clustered regularly interspaced short palindromic repeats.
New computational techniques can identify people or trace their behavior by combining just a few snippets of data.
Willerslev's team used cutting - edge methods to extract snippets of DNA from a 0.2 - gram flake of finger bone.
In their current study, described online today in Science, Discher and his colleagues copied short snippets of the CD47 protein, known as peptides, and attached them to nanoparticles designed to ferry either imaging agents or anticancer compounds to tumors.
This will cover a pilot project in a small region — about 1/1000 of the human genome — containing the genes for the major histocompatibility complex (MHC), proteins that present snippets of pathogens to immune cells.
«So they have instead turned to smear, innuendo, criminal hacking of websites, and leaking out - of - context snippets of personal emails in their effort to try to confuse the public about the science and thereby forestall any action to combat this critical threat.»
Micro-RNAs are tiny snippets of non-coding DNA that turn off the production of proteins created by genes, proteins that tell cells what to do.
First, an inactivated form of HIV, the virus that causes AIDS, is packed with snippets of custom - designed DNA.
There is even a newly discovered category of subviral agents known as viroids: naked snippets of RNA that lack even an outer protein coat and don't encode for anything.
Snippets of RNA known as short interfering RNA (siRNA) turn off specific genes inside living cells by destroying the messenger RNA molecules that carry DNA's instructions to the rest of the cell.
Sutovsky proposes blocking the process by injecting a woman with snippets of protein that resemble the building blocks of proteasomes.
RNA messages are copies of small snippets of DNA that move out of the cell nucleus to be converted into proteins.
Insight into this mechanism led the researchers to design new peptides — snippets of the human B7 - 2 receptor protein — that powerfully block the binding of a superantigen to its costimulatory receptor targets, and thereby protect against lethal toxic shock, as they showed in animals.
In fact, my sexual orientation, mood and personality type can all be worked out from snippets of online data.
Far from being dull, these lists contain snippets of information that I have not found elsewhere (Globus Aerostaticus and its companion are extinct constellations).
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