Sentences with phrase «which animal researchers»

The case is the first in which animal researchers have faced criminal charges in the US since 1981.

Not exact matches

When the researchers presented plans for their study to tribe members who were trained research assistants, the assistants protested that the experiment — which involved watching children play with toy animals — was not culturally appropriate.

Of nearly 300 living animal and protist species documented on the debris, which crossed the Pacific Ocean following Japan's destructive 2011 tsunami, researchers analyzed in detail 237 species, which include larger invertebrates and two fish.

By studying human cancer cells and animal models of cancer in the lab, our researchers have shown that loss of PTEN leads to high levels of PI (3,4) P2, which could result in hyperactivation of AKT.

Researchers see this as a possible explanation for hayfever, which is strongly associated with pollen sensitization, having increased from 22 percent to 31 percent in Sweden, between 1990 - 2008, while the incidence of asthma, that is strongly associated with furred animals and mite sensitization, remained unchanged for the same period.

What's more, the animals» tissues were tainted with a synthetic steroid, which the researchers suspect was causing them to switch sex.

The researchers call this newly - discovered ACS - mediated mechanism a «lipid sensor» and believe it could be a widespread strategy by which animals translate cues from the environment into physiological responses.

The researchers put the mice through a standard test in which the animals are trained to find a platform in a swimming pool.

Oftentimes, sellers would offer Brown and his fellow researchers «a turtle or monitor lizard or some other animal which they should not have had in their possession,» he said.

Other tools in the researchers» arsenal were high - resolution tracking, which provided information about how the manta rays used the lagoon habitat over long and short periods of time; an acoustic camera, which logged patterns of the animals entrances and departures from the lagoons; and photo identification / laser photogrammetry — making measurements from photographs — which provided insight into whether the manta rays were staying in this habitat for longer time periods by tracking their comings and goings.

The researchers reported a 24-fold increase in adenosine concentration in the blood of the animals after acupuncture, which corresponded to a two - thirds reduction in discomfort, as revealed by how quickly they recoiled from heat and touch.

The scientists measured how much the soil animals ate using «bait lamina strips»: small sticks with holes in which the researchers filled substrate that resembled the organic matter in the soil.

Researchers are not sure what is causing the peculiar behaviors but Munday suspects that elevated CO2 levels interfere with a neurotransmitter called GABA, which plays a key role in modulating activity in the brain and nervous system of virtually all animals, including humans.

The researchers kept the animals in chronically thin air that's similar to the oxygen levels people would experience at the peak of Mont Blanc, the tallest mountain in the Alps, which soars nearly 5000 meters above sea level.

Researchers performed a meta - analysis of literature examining patients with NASH, and then tested their hypothesis using an animal model, which enabled them to eliminate possible confounders of the clinical data, such as antibiotic exposure and medical comorbidities.

Researchers observed that the rate at which Cassiopea jellyfish pulsed their bell decreased by one - third at night, and the animals were much slower to respond to external stimuli such as food or movement during that time.

The BPEC cell developed by the researchers is based on the naturally occurring process of photosynthesis in plants, in which light drives electrons that produce storable chemical energetic molecules, that are the fuels of all cells in the animal and plant worlds.

The researchers monitored which lemurs solved the problem and which did not, and focused on how the other animals treated the ones that had succeeded.

In this study, the researchers began with a naturally occurring antimicrobial peptide called clavanin - A, which was originally isolated from a marine animal known as a tunicate.

«The letter, which comes in response to an aggressive campaign by the animal rights group People for the Ethical Treatment of Animals (PETA), claims that for more than 30 years researchers at the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) have been «removing [macaques] from their mothers at birth and subjecting them to distressful and sometimes painful procedures that measure their anxiety and depression.»»

Marrying that DNA data with archaeological findings, the context in which the bones were discovered, for example, may tell researchers more about when, where and how humans first engaged with plants and animals.

The researchers warn that removing marine animals at the top of the food web could significantly disrupt the ocean's overall ecology for potentially millions of years, which is why effective management strategies will be critical.

For this study the researchers looked only at mitochondrial DNA, which represents only a small portion of the DNA in each animal's cells.

This gruesome scene is a bonanza for the local population of ravens, which has exploded in recent years as hunting has increased, a researcher told the Animal Behavior Society meeting here on 15 July.

The researchers suggest the cause may be a change to a warmer, wetter climate, which reduces tree growth and may lead to a thinner layer of leaf litter, where the animals live.

At the Galveston National Laboratory, which houses a biosafety level 4 lab, researchers shut down experiments, euthanized infected animals, put pathogens in cold storage, and autoclaved cell cultures.

The researchers from the University's Institute of Infection and Global Health ranked the top 100 pathogens affecting humans and the top 100 affecting domestic animals using a system which, they believe, will help governments across the continent plan for risks associated with the spread of infectious diseases, including as a result of climate change, and for biosecurity.

Franco believes that the new European legislation — which would require systematic evaluation of all research involving laboratory animals in all E.U. countries, with ethical considerations a big part of the assessment — makes now a good time «to assess what [researchers] think about using animals, what effect training can have not only about their knowledge of the three R's but also how it affects their attitudes.»

The researchers can then check the genetic sequences against databases to learn which plants or animals they come from.

When the researchers instead asked people whether they had eaten any of the animals in their lifetime, 95 % reported having eaten a protected species, the vast majority of which were lemurs, according to an analysis published online this week in PLoS ONE.

Researchers have thus created a new branch on the animal family tree to represent this novel class, which they are calling Micrognathia.

If you really want to know an animal, then it's useful to study at least one life span, which is, lions would be 18 years and elephants may be 60 years, not too many researchers spend the 60 years in elephants, but...

The evidence that oxygen radicals were beneficial came from experiments in which researchers gave animals an antioxidant called N - acetyl cysteine.

Her lab uses Hydra genetically engineered to light up the animals» two tissue layers, which allowed the researchers to observe the hydras» feeding process on a cellular level.

Alternatively, animal studies can be very informative — and which the researchers have also provided.»

To overcome these limitations, the researchers created three versions of a plant - based diet: an overall plant - based diet which emphasized the consumption of all plant food and reduced (but did not eliminate) animal food intake; a healthful plant - based diet that emphasized the intake of healthy plant foods such as whole grains, fruits and vegetables; and an unhealthful plant - based diet which emphasized consumption of less healthy plant foods such as refined grains.

Some researchers had their doubts: Thousands of the books were produced, which would have taken a lot of stillborn calves, and small animal skins aren't thought to be tough enough for parchment purposes.

As «man's best friend» and closest companion animal, the researchers believe that the latest results may offer a new piece of the puzzle over the reported significant decline in human semen quality — a controversial subject which scientists continue to debate.

That's the lesson one researcher is taking away from a microscopic analysis of the fairy wasp (Megaphragma mymaripenne), which at a mere 200 micrometers in length is one of the world's smallest animals (shown compared to a paramecium and amoeba above).

Using a nuclear protein expressed in follicle stem cells (FSCs), the researchers found that castor, which plays an important role in specifying which types of brain cells are produced during embryonic development, also helps maintain FSCs throughout the life of the animal.

After the deadly virus struck in 2002, disease researchers traced it to raccoonlike animals called Himalayan palm civets, which are sold for food in live - animal markets in China.

Some 300 researchers had already demonstrated on 1 June in Italy to defend animal experimentation; the new protests, which included flash mobs and conferences in 15 cities, were aimed more broadly.

Virginia Tech researchers led the team that re-evaluated and re-classified the animal, Diandongosuchus fuyuanensis, which had previously been labeled as a poposauroid, a group of animals more closely related to crocodiles.

For the animal study, the researchers separated 52 mice with colon cancer tumors into three groups, including a control group and groups that were fed either the grape compounds or sulindac, an anti-inflammatory drug, which was chosen because a previous study showed it significantly reduced the number of tumors in humans.

Basically 75 percent of all the emerging diseases come from animals, and the seminar which brought together a group of diverse researchers, tried to look at what we can do to better contain or spot potential outbreaks.

In addition, the connection between iron levels and oxygen production found here will help researchers to reconstruct the long - term processes behind the evolution of animals — which need high levels of oxygen.

As David Yáñez, a CSIC researcher at the Zaidin Experimental Research Centre in Granada (southern Spain) explains, «Up until now, no - one had described the mode of action of a compound which can repeatedly reduce (by 30 %) methane production in animals without any risks, either to the animal's health, or to their productivity.»

Advances in genetic engineering, especially the CRISPR - Cas9 revolution, have some researchers saying it's time to start thinking seriously about which animals we might be able to bring back, and which ones would do the most good for the ecosystems they left behind.

By comparing different click types to recordings at the surface — where researchers can see which animals are making the noise — scientists can learn what different species sound like, and use those clicks to map the animals» movements deep underwater.

To understand the development of the human brain, the researchers looked to a much simpler animal, the fruit fly, in which they could control and observe cells more easily.