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Venomous sea snakes play heads or tails with their predators

In a deadly game of heads or tails venomous sea snakes in the Pacific and Indian Oceans deceive their predators into believing they have two heads, claims research published today in Marine Ecology . The discovery, made by Dr Arne Redsted Rasmussen and Dr Johan Elmberg, showed that Yellow-lip...

Chemicals in common consumer products may play a role in pre-term births

ANN ARBOR, Mich.---A new study of expectant mothers suggests that a group of common environmental contaminants called phthalates, which are present in many industrial and consumer products including everyday personal care items, may contribute to the country's alarming rise in premature births. ...

Bacteria play role in preventing spread of malaria

Bacteria in the gut of the Anopheles gambiae mosquito inhibit infection of the insect with Plasmodium falciparum , the parasite that causes malaria in humans, according to researchers at the Johns Hopkins Bloomberg School of Public Health. Scientists with the Bloomberg School's Malaria Research...

Vanderbilt engineers play key role in new DOE energy frontier research center

A team of Vanderbilt engineers will play a key role in a new federal effort to significantly improve our understanding of how gases and liquids interact with solid surfaces basic studies that have potential applications ranging from better batteries to more efficient methods for converting solar ...

Small RNAs can play critical roles in male infertility/contraception

RENO, Nev. University of Nevada School of Medicine scientists in the Department of Physiology and Cell Biology have discovered insight into the reproductive workings of the male sex chromosome that may have significant implications for male infertility and contraception. This import...

Exposure to insecticide may play role in obesity epidemic among some women

EAST LANSING, Mich. Prenatal exposure to an insecticide commonly used up until the 1970s may play a role in the obesity epidemic in women, according to a new study involving several Michigan State University researchers. More than 250 mothers who live along and eat fish from Lake Michigan were...

New data suggest 'jumping genes' play a significant role in gene regulatory networks

CHICAGO, IL--Research performed in the Center for Biomolecular Science & Engineering (CBSE) at the University of California, Santa Cruz, suggests that mobile repetitive elements--also known as transposons or "jumping genes"--do indeed affect the evolution of gene regulatory networks. David Haus...

Newly found enzymes may play early role in cancer

SALT LAKE CITYResearchers have discovered two enzymes that, when combined, could be involved in the earliest stages of cancer. Manipulating these enzymes genetically might lead to targeted therapies aimed at slowing or preventing the onset of tumors. "We could conceivably reactivate a complet...

Brain enzyme may play key role in controlling appetite and weight gain

December 10, 2008 - (BRONX, NY) - Researchers at Albert Einstein College of Medicine of Yeshiva University have found that overactivity of a brain enzyme may play a role in preventing weight gain and obesity. The findings were reported in Cell Metabolism . To understand what drives hunger and...

Mysterious microbe may play important role in ocean ecology

SANTA CRUZ, CA--An unusual microorganism discovered in the open ocean may force scientists to rethink their understanding of how carbon and nitrogen cycle through ocean ecosystems. A research team led by Jonathan Zehr, professor of ocean sciences at the University of California, Santa Cruz, charac...

Light receptors in eye play key role in setting biological clock, study shows

Biologists at the University of Virginia have discovered a switching mechanism in the eye that plays a key role in regulating the sleep/wake cycles in mammals. The new finding demonstrates that light receptor cells in the eye are central to setting the rhythms of the brain's primary timekeeper,...

Entomologists play matchmakers for cerambycid beetles

RIVERSIDE, Calif. Cerambycid beetles, also known as long-horned beetles, can cause severe damage to standing trees, logs and lumber. How then might they be promptly detected and their numbers swiftly controlled? Two entomologists have devised a solution based on how male and female cerambycid ...

Novel structure proteins could play a role in apoptosis

Isoforms from Novel Structure Proteins (NSP), a new family of genes discovered by researchers in the Sbarro Institute for Cancer Research and Molecular Medicine in Temple University's College of Science and Technology, could be involved in apoptosis or programmed cell death. NSPs were discove...

Genes may play role in risk assessment for prostate cancer among Hispanics and caucasians

PHILADELPHIA Genetic differences may explain the greater risk for prostate cancer among Caucasian men compared with Hispanic men, which could help clinicians predict who is more likely to develop the disease, according to a paper published in the May 15, 2008, issue of Clinical Cancer Research, a...

Viruses may play a role in lung cancer development

Papers presented at the 1st European Lung Cancer Conference, jointly organized by the European Society for Medical Oncology (ESMO) and the International Association for the Study of Lung Cancer (IASLC) in Geneva, Switzerland highlight emerging evidence that common viruses may contribute to the dev...

T-cadherin affects blood vessel growth in breast cancer, hormone from fat cells may play a role

Researchers at the Burnham Institute for Medical Research (Burnham) may have found a new option for targeted breast cancer therapy by showing the link between a certain protein and the formation and development of blood vessels that feed breast tumors. Like mortar between bricks in a wall, T-cadhe...

ORNL study finds rivers play part in removing nitrogen

OAK RIDGE, Tenn., March 12, 2008 Tiny organisms play a powerful role in removing nitrate, a form of nitrogen pollution caused by human activity, in streams, according to a study by a team led by Oak Ridge National Laboratory and published in Nature. In the first phase of the study, which invol...

Viruses evolve to play by host rules, according to University of Pennsylvania researchers

PHILADELPHIA -- Biologists at the University of Pennsylvania and Harvard University have examined the complete genomes of viruses that infect the bacteria E. coli, P. aeruginosa and L. lactis and have found that many of these viral genomes exhibit codon bias, the tendency to preferentially encode ...

Airborne bacteria may play large role in precipitation

A Montana State University professor and his colleagues have found evidence suggesting that airborne bacteria are globally distributed in the atmosphere and may play a large role in the cycle of precipitation. The research of David Sands, MSU professor of plant sciences and plant pathology, alo...

Cold Spring Harbor Laboratory to play central role addressing key questions in plant biology

Cold Spring Harbor, NY Cold Spring Harbor Laboratory (CSHL) will play a central role in an important new initiative called the iPlant Collaborative, funded by the National Science Foundation (NSF). The Collaborative will define and address grand challenge questions in plant biology that have glob...

River plants may play major role in health of ocean coastal waters

Recent research at MITs Department of Civil and Environmental Engineering suggests how aquatic plants in rivers and streams may play a major role in the health of large areas of ocean coastal waters. This work, which appeared in the Dec. 25 issue of the Journal of Fluid Mechanics (JFM), descri...

Yale discovery suggests protein may play a role in severe asthma

New Haven, Conn.A protein measured in a simple blood test may be a new biomarker to identify patients with the most serious form of asthma, Yale School of Medicine researchers report today in the New England Journal of Medicine. Identifying this new biomarker, YKL-40, brings investigators one ...

Fair play in chimpanzees

This release is also availabe in German . In the ultimatum game - which was developed by another German, Werner Güth, now at the Max Planck Institute for Economics in Jena - one person, the proposer, is given money by an experimenter. That proposer can then divide the "manna from heave...

Depression, aging, and proteins made by a virus may all play role in heart disease

COLUMBUS, Ohio Researchers here have linked an increase in two immune system proteins essential for inflammation to a latent viral infection and proposed a chain of events that might accelerate cardiovascular disease. The same process may be involved in a host of other ailments plaguing the e...

Conference to examine role technology can play in helping US manage healthcare costs

WHAT: Economic Strategy for Health Care through Bio and Information Standards and Technologies, a conference designed to examine the role technology and technical standards can play in helping the United States manage health care costs. WHY ATTEND: To learn where technology investments should b...

Neural stem cell study reveals mechanism that may play role in cancer

In the dynamic world of the developing brain, neural stem cells give rise to neurons deep within the brains fluid-filled ventricles. These newborn neurons then migrate along the stem cell fibers up to the neocortex, the seat of higher cognitive functions. Now, scientists have discovered a key mech...

New study finds genetically engineered crops could play a role in sustainable agriculture

Genetically modified (GM) crops may contribute to increased productivity in sustainable agriculture, according to a groundbreaking study published in the June 8 issue of the journal Science. The study analyzes, for the first time, environmental impact data from field experiments all over the worl...

St. Jude study shows genes play an unexpected role in their own activation

Investigators at St. Jude Children's Research Hospital have discovered how a single molecular “on switch” triggers gene activity that might cause effects ranging from learning and memory capabilities to glucose production in the liver. The “on switch,” a protein called CREB, is a transcription ...

3 proteins may play important role in nerve-cell repair

Some mature brain cells can grow new extensions when the amount of three particular proteins on their surface increases, a new study shows. The research examined three related receptor proteins, called GPR3, GPR6 and GPR12, on nerve cells in the brains of rats. When researchers increased t...

Cold sore virus might play role in Alzheimer's disease

A gene known to be a major risk factor for Alzheimer's disease puts out the welcome mat for the virus that causes cold sores, allowing the virus to be more active in the brain compared to other forms of the gene. The new findings, published online in the journal Neurobiology of Aging, add some scie...

Inflammation may play role in metastasis of prostate cancer

Many would assume that "mounting an immune response" or "having your body fight the cancer" is a good thing. Now, research at the University of California, San Diego (UCSD) School of Medicine strongly suggests that inflammation associated with the progression of tumors actually plays a key role in...

Stress hormones may play new role in speeding up cancer growth

New research here suggests that hormones produced as during periods of stress may increase the growth rate of a particularly nasty kind of cancer. The study showed that an increase in norepinephrine, a stress hormone, can stimulate tumor cells to produce two compounds. These compounds can break d...

Slow brain waves play key role in coordinating complex activity

While it is widely accepted that the output of nerve cells carries information between regions of the brain, it's a big mystery how widely separated regions of the cortex involving billions of cells are linked together to coordinate complex activity. A new study by neuroscientists at the Universi...

Report focuses on the role good microbes play in future medicine

Not all bacteria are bad. In fact, beneficial microbes could represent the future of medicine, with the potential to treat a variety of diseases in humans and animals from diarrhea and eczema to gum disease and autoimmune disorders, according to a report released by the American Academy of Microbi...

Study shows frogs can play key role in stem cell research

It sounds like one of those curiosities which pops up in wildlife documentaries, but the African clawed frog could prove a powerful ally for scientists working in the key area of stem cell research. Researchers at the University of Edinburgh have discovered that the distinctive species ?which has b...

Promising cell protein may play role in infection and dry eye

Plasminogen Activator Inhibitor Type 2 (PAI-2), a protein found in various cell types including the skin, has been discovered in the tissue covering the eye and may have future clinical implications in various pathologies of the ocular surface such as eye infection or dry eye, according to research...

Vital ocean prey play active role in environment

Although Antarctic krill (Euphausia superba) are one of the best-studied organisms of the open sea, key aspects of their life cycle have remained murky. Understanding krill is important because they are vital prey for fish, birds, and marine mammals, yet they are vulnerable to fishing pressure an...

Micro RNAs play role in egg making

Researchers at Northwestern University and Carnegie Mellon University have found that a recently described class of molecules called microRNAs (miRNAs) play an important role in regulating oogenesis, the process by which females make eggs. MiRNAs silence genes by binding to genetic elements called ...

Marine bacterium suspected to play role in global carbon and nitrogen cycles

Scientists successfully grow 'dwarf belonging to the sea' in laboratoryScientists are now revisiting, and perhaps revising, their thinking about how Archaea, an ancient kingdom of single-celled microorganisms, are involved in maintaining the global balance of nitrogen and carbon. Researchers have ...

Specialized immune-system B cells play double-barreled role

A specialized subpopulation of the antibody-producing B cells of the immune system plays a "double-barreled" role in triggering both kinds of immunity -- innate and acquired, Duke University Medical Center immunologists have discovered. The division of labor between B-1a and B-1b cells they have un...
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