Sentences with phrase «studied animal groups»

Research reveals that phthalates and BPA affect reproduction in all studied animal groups and impair development in crustaceans and amphibians.

Not exact matches

John Eppig, a reproductive biologist at Jackson Laboratory in Bar Harbor, Maine raised the concern that no animal studies with a control group have been done — a standard practice with experimental medical procedures — yet somehow the procedure is being tried on humans.

If the findings of those who study animal behavior are to be accepted, power is an indispensable element in the preservation of the group life of the species in the animal world.

While we all take some inspiration from ancient paganisms, there are some groups who are deeply dedicated to studying the primary texts and archaeological records of their chosen cultural framework to try to make their paths as close to their spiritual ancestors as reasonably possible in the modern world — this includes the use of bonfires and occasionally animal sacrifice.

Previous studies of animal speed have focused only on certain groups of animals, such as mammals.

Traditionally, they are grouped by the type of organism being studied: botany, the study of plants; zoology, the study of animals; and microbiology, the study of microorganisms.

The amicus brief cited examples from an array of groups increasingly using public records laws to gain access to emails beyond those of climate scientists, including animal rights groups that have long waged legal battles against researchers who use animals in their studies and opponents of genetically modified organisms seeking to expose the emails of scientists in efforts to demonstrate links to industry.

Other groups have attempted to induce PANDAS in animals, says James Leckman, a pediatric psychiatry researcher at Yale University, who was not involved in the study, but the results from those studies were inconsistent.

This hypothesis is supported by studies of comparative morphological and functional anatomy, which are based on the recognition of structural similarities between the basic body plans of the various animal groups.

«I think it's a stretch to suggest more generally that tropical animal populations may be capable of rapid adaptation to anthropogenic warming,» said Mahler, who is also co-chairman of the Anoline Lizard Specialist Group, which studies which anole lizard species are at risk of extinction at the International Union for Conservation of Nature.

This is important because current DNA studies, known as «molecular clocks», which are used to estimate how long ago a group animals originated, suggests the first animals appeared before these burrows.

«The study provides further evidence to explain why dinosaurs were one of the most successful groups of animals to live on this planet.»

The study took advantage of an important large animal model of SMA, the SMA piglet developed by the research group.

Nadeau also studies the potential impacts of climate change on species around the globe, using modeling, field observation and experiments to predict where species are most vulnerable and determine how conservation groups can best mitigate the negative impacts of climate change on animal populations.

A group of animals that has woken up a special interest for studies in Mexico is the so - called «dung beetles».

A new study by University of Arizona biologists helps explain why different groups of animals differ dramatically in their number of species, and how this is related to differences in their body forms and ways of life.

The study found that parental relationships - specifically whether they were polyandrous or monogamous plays a key role in whether animal families stay together as a group or not.

The researchers read all of those studies, looking for things such as appropriate control groups and whether a sufficient number of animals had been used.

In the new study, Ji's group put SHANK3 - deficient mice through a battery of sensory tests, finding that the animals had lower sensitivity than normal mice to heat and heat - related pain — akin to the soreness a person feels after a sunburn.

Environmental groups urged the panel to recommend that FDA consider the JAMA paper, as well as the complete range of animal studies, and revise its calculation of a safe level.

The study not only demonstrates that the influence of kin selection may stretch beyond that of nuclear and extended family groups thus promoting co-operation in large social groups, but it is also the first study to show that kin selection may promote the communal construction and maintenance of an animal - built physical structure.

For the new study, reported in the 20 April issue of Science, animal communication researcher Karen McComb of the University of Sussex in Brighton, United Kingdom, and Sarah Durant of the Institute of Zoology in London studied 20 small family groups of elephants, each typically containing several females and their calves, in Kenya.

In the past, nutritional scientists have largely relied on studies of animals, small groups of people, and / or petri - dish biochemistry that may not reflect the vagaries of human metabolism, although Willett uses such studies when he deems it appropriate.

In his book, The Cholesterol Myths: Exposing the Fallacy That Saturated Fat and Cholesterol Cause Heart Disease, Swedish physician Uffe Ravnskov asserts that as of 1998, 27 studies on diet and heart disease had been published regarding 34 groups of patients; in 30 of those groups investigators found no difference in animal fat consumption between those who had heart disease and those who did not.

For the study, the researchers used an unusually large dataset made up of the sequences of 128 proteins from 55 species, including representatives of all the major animal groups, focusing in particular on those that diverged very early.

In previous studies, Chen - Yu Zhang's group has reported a striking finding that plant miRNAs are ingested from plant diets and pass through the gastrointestinal tract, enter into the blood, accumulate in tissues and regulate endogenous gene expression in animals.

«Captive studies may undercut these animals, may underestimate what they are doing,» because studies of animals in captivity can fail to fully replicate the social groups and relationships that occur in the wild, he told Live Science.

A U.S. sugar industry trade group appears to have pulled the plug on a study that was producing animal evidence linking sucrose to disease nearly 50 years ago, researchers argue in a paper publishing on November 21 in the open access journal PLOS Biology.

The study's lead author, Patricia Lopes from the Department of Evolutionary Biology and Environmental Studies at the University of Zurich, says that previous research in wild animals has generally ignored how this change in behaviour may affect social contacts in a group and how, in turn, these changes can impact the transmission of a disease.

The team's discovery that «the collective outcome [the group personality] is different from the sum of the personalities is very cool,» says Noa Pinter - Wollman, an animal behaviorist at the University of California, San Diego, who was not involved in the study.

In their study, published in the scientific journal Peer J, the scientists demonstrate that the species diversity of both groups of animals was noticeably higher in the past than it is today.

Study co-author Professor Paul Scofield of Canterbury Museum says: «These bats, along with land turtles and crocodiles, show that major groups of animals have been lost from New Zealand.

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.

The multi-author study, by the Global Alliance for Rabies Control's Partners for Rabies Prevention Group, also shows that annual economic losses because of the disease are around 8.6 billion US dollars, mostly due to premature deaths, but also because of spending on human vaccines, lost income for victims of animal bites and other costs.

As part of the study, groups of 18 to 20 female mice were vaccinated with one of the vaccines or a placebo, and some animals received a second dose of the same vaccine or placebo a month later.

«I think the paper convincingly shows that animal groups can show both collective intelligence and cumulative culture,» says Harvard University animal behaviorist Albert Kao, who was not affiliated with the study.

A group from the NIH's National Institute of Allergy and Infectious Diseases (NIAID) evaluated the live imaging system as a potential alternative to traditional methods of assessing investigative influenza vaccines and treatment in mice, which can be time consuming and require more study animals for valid statistical comparison.

«Gall and Damsky's experiment helps us understand how human - caused noise can interfere with the transfer of information among animals in social groups,» according Florida Atlantic University's Rindy Anderson, an expert in vocal communication in birds who was not involved with the study.

Of course, the choice of harness is not always straightforward and Peham is quick to recognize the need to extend the group's research, «We should study guide dogs for a longer period of time to find out whether any of the harnesses are associated with long - term problems in the animals.

This study agitates the feud between conservationists, who fear free - roaming cats are devastating wildlife, and animal welfare groups that argue neutering feral cats is a better solution than removing them from the environment altogether.

The study found that 8,600 families of genes are shared across deuterostomes, a large animal grouping that includes a variety of organisms, ranging from acorn worms to star fishes, from frogs to dogs, to humans.

Institutions that conduct research with animals have been targeted by groups such as the Animal Liberation Front, for example, and institutions that do defense - related studies may need to increase staff awareness of those who might seek access to restricted materials or information.

«Animals interact with their environment based on stereotypical movement patterns, such as those performed during running, breathing or feeding,» explains Prof. Lohmann, who directs the Developmental Biology research group at the Centre for Organismal Studies.

For the current study, Jessica Childs, a graduate student in Kroener's lab, applied VNS to a test group of rats used in the study in a process called «extinction learning» to determine whether the procedure could help the animals learn different behaviors and reduce their drug cravings.

During the study of a number of aardvarks by researchers of the Brain Function Research Group at the University of the Witwatersrand, all but one of the study animals — as well as other aardvarks in the area — died because of a severe drought, with air temperatures much higher than normal and very dry soil in the area.

Based on previous studies of the life - history, physical and ecological aspects of fecundity, Dr Pincheira - Donoso's work also concludes that the theory should distinguish between fertility during an animal's lifetime and during one particular breeding season, rather than grouping all time periods together.

«That they looked across a large number of groups over a long time makes this a powerful [study],» says Jeffrey French, an animal behaviorist at the University of Nebraska, Omaha.

Sharpe has been studying dwarf mongooses at the Phuza Moya Private Game Reserve in northeastern South Africa, where several groups of the animals are habituated to the presence of humans.

Recent animal studies from Cole's group confirm the link: cortisol receptors stopped working in rhesus monkeys that were socially stressed.

The study looked at a way to substitute animal - based saturated fats for plant - based unsaturated fats in muffins made for patients with the metabolic syndrome, a group of risk factors that affect about a third of adults in the United States, increasing their chance of cardiovascular disease and type 2 diabetes.