Sentences with phrase «used by biologists»

Stotting is also used by biologists to describe the jumping behaviour of antelopes in response to predators.

However, they are also increasingly being used in the medical profession for their potential to detect cancerous cells [2] and have been used by biologists to search for everything from molluscs to moth eggs [3].

Some dog fanciers describe this behavior in terms used by biologists to explain wolf interactions — they toss around terms such as «pack dynamics» and «dominance hierarchy» to explain how dogs see the world.

«Currently, crystallography is the tool used by biologists and immunologists to probe the inner workings of proteins and molecules — the machines of life.

This structural information can be used by biologists, for example, to determine the precise mechanism by which biomolecules work.

Indeed, because eggs are large cells that are relatively easy to manipulate, they are one of the favored cell types used by biologists to express foreign genes and to test gene function.

It also offers an alternative to the approach used by biologist Craig Venter of building a genome from scratch to impart new properties to cells — laborious because even the smallest error kills the cell (see «Craig Venter: Why I put my name in synthetic genomes «-RRB-.

In his book Altered Genes, Twisted Truth, attorney Steven Druker reflects on the concept of mythogenesis, a phrase used by biologist and biotech advocate William...

Not exact matches

The biologist argued that the additive in question — which is created by using a centrifuge to spin off muscle meat from layers of fat and then treating it with ammonia — was not real ground beef.

The term «RNA world» was first used in a 1986 article by Harvard molecular biologist Walter Gilbert (3):

An immune response, triggered by foreign neural stem cells, could actually help attack tumors, says Evan Snyder, a stem cell biologist at Sanford Burnham Prebys Medical Discovery Institute in San Diego, California, and one of the early pioneers of the idea of using stem cells to attack tumors.

Thomas is a wildlife biologist by training, but he now uses technology such as satellite remote sensing and software applications such as geographic information systems to model vector disease transmission.

Ben Novak, a biologist funded by Revive & Restore, the nonprofit group Brand established, will use that blueprint to try to revive the extinct bird.

What is important about our study is that it is a different methodology than what is used by fisheries scientists for stock assessments, and therefore we serve as an independent verification,» says Kent Carpenter, a marine biologist at Old Dominion University in Norfolk, Virginia, and a co-author on the paper.

Meanwhile a team led by Yihong Ye, a cell biologist at the National Institutes of Health, discovered another pathway that uses different protein workhorses to accomplish a similar off - load.

Using the fossil record as a guide, a research team led by Yale paleontologist and developmental biologist Bhart - Anjan S. Bhullar and Harvard developmental biologist Arhat Abzhanov conducted the first successful reversion of a bird's skull features.

With this new, aggregate climate map in hand, they turned to a technique used primarily by ecologists and biologists, called species distribution modeling, to identify fire - prone regions of the globe.

Using a star - recognition algorithm developed by NASA, volunteers Jason Holmberg and Zaven Arzoumanian, and marine biologist Brad Norman from Murdoch University in Australia, have developed software that can assign a whale shark a «digital fingerprint» based on a photograph of the pattern of spots on its back.

Restoring normal function to a mutated protein is more difficult than simply blocking a protein, the strategy used by most medical therapies, says Klas Wiman, a tumor cell biologist at the Karolinska Institute in Stockholm.

They focused on a mustard green called Arabidopsis, the reference organism used by plant biologists in their research.

The work done by Bárbara is important, as it provides a framework and a simulation tool that many ecologists and conservation biologists will be able to use.»

After 40 years of debate, evolutionary biologists have used 10,000 twins and siblings in an attempt to discover whether it arose to give women a reproductive boost, or simply as a by - product of evolution of the male orgasm.

Therefore federal and state biologists are scrambling to assess the impacts, using funds largely provided by DHS.

A classmate supervised by a systems biologist and a clinician once told me how, when her biologist PI would become excited over an interesting result, the clinician would respond, «That's great, but how can we use this?»

Witness the recent use of the site by molecular biologist Kenneth Ka - Ho Lee at the Chinese University of Hong Kong, who used Research Gate to much fanfare last March.

Biologists at Washington University in St. Louis have exposed one such interloper by characterizing the unique biochemical pathway it uses to synthesize auxin, a central hormone in plant development.

Now, molecular biologists have learned how to keep track of these elusive animals without having to see them: by using a new probe that detects their DNA in the springs in which they swim.

It also makes use of statistical methods developed by IU Bloomington biologist Emilia Martins.

Washington State University molecular biologist Michael Skinner had previously shown that sperm abnormalities induced by vinclozolin, a toxic fungicide used on wine grapes, strawberries, and other fruits, can pass from father to son for four generations in rats.

Graduate student Emily Thomas, synthetic biologist Jonathan Silberg and their colleagues built upon established techniques that attach bio-orthogonal (noninterfering), artificial amino acids to transfer RNA (tRNA), which are used by ribosomes to synthesize proteins.

By applying the same phylogenetic methods that biologists use to trace descent in plants and animals it is possible to explore the «evolution» of stars in the Galaxy.

PCR analysis of mtDNA is increasingly used by field biologists to track the relationships or numbers of animals in the wild.

Also, most DIY biologists are interested in building genetic circuits in bacteria or yeast, and they can generally do this using well - established techniques, such as SLiCE (seamless ligation cloning extract), and with genes that have been synthesized by commercial suppliers or that can be obtained from the iGEM registry.

German biologist Kirsten Pohlmann of the University of Konstanz and her colleagues thus hypothesized that such fish might be using chemical and hydrodynamic cues in the wakes left by prey to locate their next meal.

He cites a recent study, for instance, conducted by an international team of molecular biologists that used the DNA of living placental mammals to estimate that their ancestors originated more than 100 million years ago.

Researchers led by developmental biologist Hiroshi Hamada at the University of Osaka used a pump to reverse the normal leftward flow of fluid over mouse embryos.

Curran and his colleagues tweaked the amount of Maf1 in C. elegans, a transparent worm often used as a model organism by biologists.

Much of her writing from that time, reprinted and updated in this book, covers the ideas of controversial University of California at Berkeley biologist Peter Duesberg, who hypothesizes that AIDS is not caused by HIV but by drug use or poverty.

But stem cell biologist and physician Michele De Luca of the University of Modena and Reggio Emilia in Italy and his colleagues have been developing a way to counteract an EB - causing mutation by inserting a new gene into the cells used for grafts.

THE SHOT: This photograph was taken by marine biologist Charles Mazel using a waterproof Nikonos III camera with a 35 mm lens, ISO 200, f / 4, 1/60 second.

The HFEA has approved an application by developmental biologist Kathy Niakan, at the Francis Crick Institute in London, to use the genome - editing technique CRISPR — Cas9 in healthy human embryos.

Biologists have long wondered if mammals share the elegant system used by insects, bacteria and other invertebrates to defend against viral infection.

A team of developmental biologists led by Hans Schöler and Karen Hübner at the University of Pennsylvania placed densely packed clusters of stem cells from mouse embryos in a petri dish, using fetal calf serum as a growth medium and adding a gene protein that turns green when germ cells form.

A molecular biologist at the Broad Institute and the McGovern Institute for Brain Research at Massachusetts Institute of Technology in Cambridge, Zhang and colleagues have screened hundreds of candidate enzymes, among them, a protein called CPF1 that's used by many different types of bacteria to fight off viruses.

The SX - 8 unit is based on a refinement of a technology already heavily used by climatologists and biologists to simulate a range of scenarios — from weather patterns to protein folding.

«I can appreciate these results because they illustrate and reinforce, using comparisons of closely related species, something that has been doubted by some evolutionary biologists in the past, namely the fact that plasticity itself can evolve,» says Smithsonian Tropical Research Institute theoretical biologist Mary Jane West - Eberhard, who was not involved in the study.

Over the past several years, the researchers, led by SDSU biologist Roland Wolkowicz, have been developing cell - based platforms that can be used to monitor the biomolecular activity of viruses inside their host cells.

In the new study, a team lead by Isabelle - Anne Bisson, a conservation biologist with the Smithsonian Conservation Biology Institute in Washington D.C., set out to assess whether information on wildlife health could be used to predict the emergence of disease in humans.

So the researchers used statistical methods similar to those employed by biologists to trace species lineages back through the branching tree of evolution based only on modern DNA sequences.

The Science paper, by developmental biologist Ethan Bier and his student Valentino Gantz at the University of California, San Diego, used CRISPR to insert a modification into genes on both chromosomes in a pair, so that when the flies bred, they would pass the modification on to practically all of their offspring.