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Differently in Biological News

Why do women store fat differently from men?

It's a paradox that has flummoxed women for generations their apparent ability to store fat more efficiently than men, despite eating proportionally fewer calories. While it has long been suspected that female sex hormones are responsible, a University of New South Wales (UNSW) research revie...

Nitrous oxide emissions respond differently to no-till depending on the soil type

MADISON, WI, October 20, 2008--The practice of no-till has increased considerably during the past 20 yr. The absence of tillage coupled with the accumulation of crop residues at the soil surface modifies several soil properties but also influence nitrogen dynamics. Soils under no-till usually host...

Breast cancers behave differently before and after the age of 70

Berlin, Germany: Researchers in Belgium have discovered that increasing age affects the way breast cancer behaves. As women approach the age of 70, they become less likely to be diagnosed with aggressive tumours that have spread to the lymph nodes. But after 70, the cancer is increasingly likely t...

Plants can be used to study how and why people respond differently to drugs

RIVERSIDE, Calif. While prescription medications work successfully to cure an ailment in some people, in others the same dose of the same drug can cause an adverse reaction or no response at all. According to a research team led by Sean Cutler, an assistant professor of plant cell biology at U...

Heavy pyridine crystallizes differently

This release is available in German . The nuclei of ordinary hydrogen atoms contain only a single proton. If a neutron is added, the hydrogen becomes deuterium. In principle, molecules that contain deuterium in place of hydrogen atoms are chemically identical. However, there can be sign...

Proteins may behave differently in natural environments

When in an environment similar to that in which they exist naturally, proteins and multiprotein assemblies may demonstrate actions or dynamics different than those they exhibit when in the static form in which they are most often studied, said researchers at Baylor College of Medicine in a report i...

UCLA study finds same genes act differently in males and females

UCLA researchers report that thousands of genes behave differently in the same organs of males and females ?something never detected to this degree. Published in the August issue of Genome Research, the study sheds light on why the same disease often strikes males and females differently, and why ...

African parasite makes component of fat differently from all other organisms

Studying the parasite that causes African sleeping sickness, scientists at Johns Hopkins have discovered a previously unknown way of making fatty acids, a component of fat and the outer layer of all cells. The find unveils more about the biology of this hard-to-kill parasite and could lead to a tar...

Tissue regeneration operates differently than expected

Max Planck researchers in Bad Nauheim discover the mechanism by which adult stem cells are integrated into skeletal or heart muscle tissue. There is disagreement, however, about the mechanism on which repair processes are based. Scientists from the Max Planck Institute for Heart and Lung Research ...

NIH stimulus funding supports Emory biomedical scientists

...trauma and biological changes in the heart and brain and inflammation in response to stress. Pediatric heart development: Children's hearts respond differently to medications and surgery than adults' hearts, and more information is needed to guide pediatric heart specialists. This project looks at physiologic...

Jet-propelled imaging for an ultrafast light source

...t is important that they all be identical. In biology, that leaves only molecules like proteins and viruses. DNA or RNA inside a virus is often packed differently in each virus, and cells are not identical at the molecular level, so cannot be studied in 3-D by this method. Besides identical particles, succes...

Disease threat may change how frogs mate

...ch looks at the genetic make-up of populations, and indicates that wild frog populations that have been infected with this virus may be choosing mates differently to those in healthy populations. As Ranavirus is typically associated with heavy death tolls in infected populations, there are often few frogs lef...

Researchers capture bacterial infection on film

...reatments. Dr Will Wood, Research Fellow in the Department of Biology & Biochemistry at the University of Bath, explained: "Cells often behave very differently once they have been taken out of their natural environment and cultured in a petri dish. "In the body, immune surveillance cells such as hemocyt...

Corn yield stability varies with rotations, fertility

... have compared average crop yields; this study looked at stability of yields and whether cropping systems and manure applications affected crop yields differently in poor- and high- yielding years. K.K. Grover et al. investigated the effects of long-term cropping systems on corn grain yields, yield trends, a...

Penn-Wistar team gains insight into HIV vaccine failure

...roves the main hypothesis proposed to explain the STEP trial results." The team next questioned whether the Ad5-specific CD4 T-cells functioned any differently before or after administering the Ad5 vector. They found no significant difference in activation or expansion of CD4 T-cells in either the high- or th...

Research shows that 'invisible hand' guides evolution of cooperative turn-taking

...robotically. The researchers state: "Turn-taking is initiated only after a species has evolved at least two genetically different types that behave differently in initial, uncoordinated interactions with others. Then as soon as a pair coordinates by chance, they instinctively begin to play 'tit for tat'. This...

Finding the constant in bacterial communication

...entially the linking of an action to the number of cells and the size of their environment," You said. "For example, a small number of cells would act differently than the same number of cells in a much larger space. No matter what type of cell or their own quorum sensing abilities, the relationship between the...

Dogs, humans, put heads together to find cure for brain cancer

... and humans are genetically similar and both get the same kinds of cancers. While we share much of our genetic material, the DNA of a dog is organized differently to our own and this makes it possible to isolate smaller 'shared' regions of genetic data rather than looking at an entire chromosome." Breen, NC S...

How to text message and avoid pain

...lth and ability to work', says Gustafsson. Her thesis shows that mobile phone users with neck, arm or hand symptoms tend to use their mobile phones differently than seen in a healthy control group. 'Those with symptoms more often text messaged hunched over. Just like when using a computer, such posture shou...

Researchers observe single protein dimers wavering between two symmetrically opposed structures

...gulate how a protein is folded within a cell, he says. "Furthermore, proteins could be folded in one structure in one area of the cell, and configured differently in another location of the same cell depending on whether or not they need to be active." "Such a powerful mechanism has lots of clinical implicati...

Horse whisperers, lion tamers not needed: Scientists find genetic regions that soothe savage beasts

...hose that screamed, attacked and bit the researchers. Since then, these rats have been bred with one another, and now, the two groups of rats act very differently toward people. The tame rats tolerate being touched and picked up, and never attack. The aggressive rats scream, run away, or attack and bite. For thi...

Researchers engineer metabolic pathway in mice to prevent diet-induced obesity

...wed from plants and bacteria," said Jason Dean, a graduate student on Liao's team and an author of the study. "We know plants and bacteria digest fats differently from humans, from mammals. Plant seeds usually store a lot of fat. When they germinate, they convert the fat to sugar to grow. The reason they can dig...

International Serious Adverse Events Consortium announces initial study results in its global research collaboration to identify genetic markers related to drug induced liver injury

... at Newcastle University, but also involving researchers at the University of Liverpool and at Queen's Medical Centre, Nottingham. Patients respond differently to medicines, and all medicines can have adverse effects in some people. The SAEC's work is based on the hypothesis that many of these differences hav...

Uniloc Unveils Industry-First Authentication Technology for Comprehensive Protection of Critical Infrastructure

...on-critical applications and protect valued assets. The situation is compounded for these organizations due to industrial control systems that operate differently from sector to sector and from standard IT systems. NetAnchor provides strong authentication using the patented Uniloc Physical Device Recognition (PD...

A new mouse model provides insight into genetic neurological disorders

...e effects of the GARS gene mutation. This variability in the mouse disease symptoms is also seen in humans, and may help shed light on how CMT and HMN differently affect individual patients' symptoms. ...

Plant Min protein sits tight and rescues E. coli

... HL1 mutant (MinDE) was rescued by the plant AtMinD gene, even though the dynamic MinE protein was absent. The Arabidopsis homologue AtMinD behaved differently from its E. coli counterpart in that it did not oscillate between poles, instead taking a stand at the pointed ends (puncta) of the poles of E. col...

Uniloc Unveils Industry-First Authentication Technology for Comprehensive Protection of Critical Infrastructure

...on-critical applications and protect valued assets. The situation is compounded for these organizations due to industrial control systems that operate differently from sector to sector and from standard IT systems. NetAnchor provides strong authentication using the patented Uniloc Physical Device Recognition (PD...

Sugar, spice and puppy dog tails: Developing sex-typed personality traits and interests

...nality traits and interests tells us that sex-typed characteristics develop differently in girls and boys. The study, by researchers at The Pennsylvania State Univ...nturousness. The research also found that interests and traits developed differently in first-born children than in children born second. For example, second-bo...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

...Underwater Icelandic Sage: Return of the Right Whale Clogged Pipes Make a Special Sound Listening to Levees 1) WIMPS HEAR DANGEROUS NOISES differently Scrawnier people are more likely to perceive an approaching sound as closer than it actually is. This connection between physical fitness and the b...

Differences among exercisers and nonexercisers during pregnancy

...ely to fit exercise into their day. Non-exercisers may suffer from a perception that they lack time to exercise, when they need to manage their time differently to fit more physical activity into their day. According to Dr. May, "if a pregnant mother does some type of physical activity while watching TV o...

Smoke from cigarettes, cooking oil, wood, shift male cardiovascular system into overdrive

... Women did not have a strong sympathetic response to the pollutants, a healthier response in the face of frequent exposure. That men would respond differently is not a surprise: women tend to have stronger parasympathetic responses, which are more protective of the cardiovascular system, Ms. Evans said. ...

Differences among exercisers and nonexercisers during pregnancy

...ely to fit exercise into their day. Non-exercisers may suffer from a perception that they lack time to exercise, when they need to manage their time differently to fit more physical activity into their day. According to Dr. May, "if a pregnant mother does some type of physical activity while watching TV o...

Smoke from cigarettes, cooking oil, wood, shift male cardiovascular system into overdrive

... Women did not have a strong sympathetic response to the pollutants, a healthier response in the face of frequent exposure. That men would respond differently is not a surprise: women tend to have stronger parasympathetic responses, which are more protective of the cardiovascular system, Ms. Evans said. ...

Synthesizing the most natural of all skin creams

...fferent arrangements as the temperature changes. The result is that VC fulfils different functions inside and outside the womb, just as butter behaves differently in the oven and on the table. Again, the ESRF's synchrotron light was used to illuminate the corneocytes and lipids together and look for any clumps o...

Texas-sized tract of single-celled clones

...is discovery is important for our understanding of microbial social evolution because the processes of selection, cooperation and competition play out differently when populations are geographically mixed as opposed to being isolated in patches," said study co-author Joan Strassmann, the Harry C. and Olga K. Wie...

HIV adapts to 'escape' immune response

...s controlling immune response," said Richard Kaslow, M.D., a professor in the UAB School of Public Health and a co-author of the study. "If HIV adapts differently in genetically distinct hosts, the challenge ahead in vaccine design is formidable," he said. The researchers looked at different DNA variations of...

New book expands field data available on orangutans

...rstand variation," Wich said. "That's why looking at one taxon is a very useful approach." Having such data available in one source "makes us think differently about conservation issues," he continued. "If all orangutans were all the same, maybe saving a population here and a population there is enough to con...

Forget the freezer: Research suggests novel way to control water behavior

...s, such as ethanol, is that they contain water when first obtained from the plants. Being able to design surfaces that interact with water and ethanol differently might provide a new method to remove the water. "Since much of biology involves water under confinement, perhaps the greatest utility of this work ...

When acute hepatitis develops into chronic hepatitis

...tic analysis, they showed how the genes in these immune cells are regulated differently according to the development of the disease. These new results can help doc...nstrated that more that one hundred genes in effector T cells are regulated differently in an immune reaction to acute hepatitis B than to a chronic case. "The ...

Artificial cells, simple model for complex structure

...es cannot occupy the same area and so they draw inward, filling some of the empty space and making themselves smaller. Compacted macromolecules act differently than uncompacted molecules. The rates of reaction of crowded macromolecules can differ dramatically from those of the same molecules in unlimited spac...
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