Last update Scientists throw light on the mechanism of plants' ticking clock, 8 hours ago
Scientists from the University of York are part of an international team of researchers who have made a significant step in discovering the genetic mechanisms that plants use to fight for light.
8 hours ago
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Actin is the most abundant protein in the body, and when you look more closely at its fundamental role in life, it's easy to see why. It is the basis of most movement in the body, and all cells and components ...
Jul 24, 2014
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If two individuals have the same genetic predisposition for breast cancer, why does one person develop cancer while the other does not?
Jul 24, 2014
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Research published today in PLOS Pathogens reveals how viruses called bacteriophages destroy the bacterium Clostridium difficile (C. diff), which is becoming a serious problem in hospitals and healthcare institutes, due to its re ...
Jul 24, 2014
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In the food industr, ity is very important to ensure the quality and safety of products consumed by the population to improve their properties and reduce foodborne illness. Therefore, a team of Mexican researchers ...
Jul 23, 2014
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Proteins impart shape and stability to cells, drive metabolic processes and transmit signals. To perform these manifold tasks, they fold into complex three-dimensional shapes. Scientists at the Max Planck ...
Jul 23, 2014
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In contrast to their negative reputation as disease causing agents, some viruses can perform crucial biological and evolutionary functions that help to shape the world we live in today, according to a new report by the American ...
Jul 22, 2014
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When it comes to swimming, the bodies of some bacteria are more than just dead weight, according to new research from Brown University.
Jul 21, 2014
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The mystery of why mycobacteria—a family that includes the microbe that causes TB—are extraordinarily hardy organisms is being unravelled by University of Otago, New Zealand, research that offers new ...
Jul 21, 2014
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Cold-blooded animals cannot regulate their body temperature, so their cells are stressed when facing temperature extremes. Worse still, even at slightly colder temperatures, some biological processes in the ...
Jul 21, 2014
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Researchers have streamlined and simplified a process that uses extracts from seeds of Moringa oleifa trees to purify water, reducing levels of harmful bacteria by 90% to 99%. The hardy trees that are drought resistant are ...
Jul 21, 2014
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François Légaré's team at the INRS Énergie Matériaux Télécommunications Research Centre successfully imaged a chemical reaction with a spatial and temporal resolution greatly exceeding that obtained to date using microscopes. ...
Jul 21, 2014
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Recent advances in imaging technology are transforming how scientists see the cellular universe, showing the form and movement of once grainy and blurred structures in stunning detail. But extracting the ...
Jul 20, 2014
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(Phys.org) —Consider this a matter of scrambling down the family tree to its roots. Really old roots. Or perhaps it's more like blowing the dust off the family album—the human album—and opening to the first pages billions ...
Jul 18, 2014
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The identification of the genes and proteins involved in a biological process, as well as the way they interact, are essential for the understanding of that process. However, often little is known about the ...
Jul 18, 2014
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Molecular modification of DNA and the histone proteins it is bound to is one of the key mechanisms responsible for regulating gene expression. Polycomb-group proteins play an important role in some of these ...
Jul 18, 2014
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A fishing expedition of microscopic proportions led by University of Arizona ecologists revealed that the lines between virus types in nature are less blurred than previously thought.
Jul 17, 2014
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Not unlike looking for the proverbial needle in a haystack, a team of Michigan State University researchers have found a gene that could be key to the development of stem cells – cells that can potentially ...
Jul 17, 2014
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(Phys.org) —Evidence from human famines and animal studies suggests that starvation can affect the health of descendants of famished individuals. But how such an acquired trait might be transmitted from ...
Jul 17, 2014
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From fertilized egg to adult, the cells of the human body go through an astronomical number of divisions. During division of any of the body's roughly 30 trillion cells, DNA from the initial cell must be split precisely between ...
Jul 17, 2014
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Go ahead and call Rachel Dutton's research cheesy if you must. As far as she's concerned, it's anything but an insult. A Bauer Fellow at the Faculty of Arts and Sciences' Center for Systems Biology, Dutton ...
Jul 17, 2014
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A signaling pathway once thought to have little if any role during embryogenesis is a key player in the formation of the front-most portion of developing vertebrate embryos. Moreover, signals emanating from this region—referred ...
Jul 17, 2014
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Rice University scientists have succeeded in analyzing transmembrane protein folding in the same way they study the proteins' free-floating, globular cousins.
Jul 16, 2014
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A team of researchers has devised a Pac-Man-style power pellet that gets normally mild-mannered cells to gobble up their undesirable neighbors. The development may point the way to therapies that enlist patients' ...
Jul 15, 2014
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Cancer's no game, but researchers at Johns Hopkins are borrowing ideas from evolutionary game theory to learn how cells cooperate within a tumor to gather energy. Their experiments, they say, could identify ...
Jul 15, 2014
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A new theoretical framework outlined by a Harvard scientist could help solve the mystery of how bacterial cells coordinate processes that are critical to cellular division, such as DNA replication, and how ...
European researchers have recovered a genome of the bacterium Brucella melitensis from a 700-year-old skeleton found in the ruins of a Medieval Italian village.
Who would have thought of mosquitoes being put to work to help decrease and control the mosquito population? University of Kentucky professor and researcher Stephen Dobson and his former graduate student, ...
Many animals exhibit segmental patterns that manifest themselves during development. One classical example is the sequential and rhythmic formation the segmental precursors of the backbone, a process that ...
Regeneration is one of the most tantalizing areas of biological research. How are some animals able to regrow body parts following injury? Why can't humans do the same thing? Can scientists learn the secrets ...
The world's largest solar boat, the catamaran PlanetSolar, will embark on a Greek mission to find one of the oldest sites inhabited by man in Europe, an organiser said Monday.
Researchers at Yale School of Medicine have pinpointed a mechanism in part of the brain that is key to sensing glucose levels in the blood, linking it to both type 1 and type 2 diabetes. The findings are ...
(HealthDay)—Elementary school students seem to be satisfied with the healthier school lunches being offered to them, according to a new study of school officials.
Heat stroke is 10 times more likely than cardiac events to be life-threatening for runners during endurance races in warm climates, according to a study published today in the Journal of the American College of ...
A German chemistry professor started on Monday a gruelling four-week solo swim down the Rhine river for the benefit of science and the environment.
Fifteen years ago, MIT professor John Essigmann and colleagues from the University of Washington had a novel idea for an HIV drug. They thought if they could induce the virus to mutate uncontrollably, they could force it ...
People with dementia are more likely to get implanted pacemakers for heart rhythm irregularities, such as atrial fibrillation, than people who don't have cognitive difficulties, according to researchers at the University ...
Dr. Nicole R. Fowler and her fellow reserachers have found that patients with dementia were more likely to receive a pacemaker then patients without cognitive impairment.
An electronic screening tool that starts with a single question to assess the frequency of substance misuse appears to be an easy way to screen teenagers who visited a physician for routine medical care.
Millions of people in the United States have a circulatory problem of the legs called peripheral vascular disease. It can be painful and may even require surgery in serious cases. This disease can lead to severe skeletal ...
CRISPR, a system of genes that bacteria use to fend off viruses, is involved in promoting antibiotic resistance in Francisella novicida, a close relative of the bacterium that causes tularemia. The finding contrasts with p ...
Scientists at the Helmholtz Zentrum München, the Ludwig-Maximilians University of Munich (LMU) and the Technische Universität München (TUM) have moved an important step closer to understanding molecular ...
We are all creatures of habit, and a new MIT study finds ocean bacteria are no exception.
Imagine the open ocean as a microbial megacity, teeming with life too small to be seen. In every drop of water, hundreds of types of bacteria can be found. Now scientists have discovered that communities ...
Scientists have identified a protein that is essential to the survival of E. coli bacteria, and consider the protein a potential new target for antibiotics.
Researchers from the University of Southern California and the Oak Crest Institute of Science have discovered the link between antibiotics and bacterial biofilm formation leading to chronic lung, sinus and ...
A research team led by Dr. Hirokazu Komatsu has developed for the first time a method for imaging cesium distributions in plant cells. Prior to this work, imaging of cesium distributions in plant cells had ...
Working with a gene that plays a critical role in HIV infection, University of Maryland researchers have discovered that some human genes have an alternate set of operating instructions written into their ...
UT Southwestern Medical Center cancer researchers have found a molecule that selectively and irreversibly interferes with the activity of a mutated cancer gene common in 30 percent of tumors.
A team of researchers from Warwick Business School and Boston University have developed a method to automatically identify topics that people search for on Google before subsequent stock market falls.
Physicists have identified the "quantum glue" that underlies a promising type of superconductivity—a crucial step towards the creation of energy superhighways that conduct electricity without current loss.
When you're expecting something—like the meal you've ordered at a restaurant—or when something captures your interest, unique electrical rhythms sweep through your brain.
Reactions among minerals and organic compounds in hydrothermal environments are critical components of the Earth's deep carbon cycle, they provide energy for the deep biosphere, and may have implications ...
(Phys.org) —A team of researchers with team members from China, the U.S. and Japan has created a computer model that shows that the moon is not solid all the way through—instead, it shows a liquid layer ...
China's PC giant Lenovo last week offered a peek at its Google Glass-competing smart glass prototype, further details of which are to be announced in October. Lenovo's glasses prototype is not an extreme ...
The study, published in the Proceedings of the National Academy of Science, investigated the extent to which improvements in living conditions and educational opportunities over a person's life affect cognitive abilities and th ...
A new discovery of two additional coral communities showing signs of damage from the Deepwater Horizon oil spill expands the impact footprint of the 2010 spill in the Gulf of Mexico. The discovery was made ...
Running for only a few minutes a day or at slow speeds may significantly reduce a person's risk of death from cardiovascular disease compared to someone who does not run, according to a study published today ...
A team of researchers with members from several countries working together in Rome, Italy, has come up with a new explanation of how it is that starlings are able to fly in a flock in a way that makes them ...
An evolutionarily ancient and tiny part of the brain tracks expectations about nasty events, finds new UCL research.
Research conducted at the Florida campus of The Scripps Research Institute (TSRI) has discovered links between a set of genes known to promote tumor growth and mucoepidermoid carcinoma, an oral cancer that affects the salivary ...
A new study by researchers in the Department of Psychology at the University of York shows that it is possible to accurately predict first impressions using measurements of physical features in everyday images of faces, such ...
Most cells do not divide unless there is enough oxygen present to support their offspring, but certain cancer cells and other cell types circumvent this rule. Researchers at The Johns Hopkins University have now identified ...
Babies can learn what to fear in the first days of life just by smelling the odor of their distressed mothers, new research suggests. And not just "natural" fears: If a mother experienced something before pregnancy that made ...
When a cell divides, it must first make a copy of its DNA, a fundamental step in the life cycle of cells that occurs billions of times a day in the human body. While scientists have had an idea of the molecular tools that ...
Scientists searching for new drug and vaccine targets to stop transmission of one of the world's deadliest diseases believe they are closer than ever to disrupting the life-cycle of this highly efficient ...
Scientists from the Spanish National Cancer Research Centre (CNIO) have discovered that NANOG, an essential gene for embryonic stem cells, also regulates cell division in stratified epithelia—those that ...
In the search for a renewable energy source, systems using algae look like a good bet. Algae can grow quickly and in high concentrations in areas unsuitable for agriculture; and as they grow, they accumulate ...
Researchers from North Carolina State University and the University of Minnesota have found for the first time that genetically identical strains of bacteria can respond very differently to the presence of ...
A new study from scientists at the University of Miami Rosenstiel School of Marine and Atmospheric Science and colleagues confirms rising levels of water vapor in the upper troposphere – a key amplifier ...
An elusive state of matter called superconductivity could be realized in stacks of sheetlike crystals just a few atoms thick, a trio of physicists has determined.
A powerful new tool that can help advance the genetic engineering of "fuel" crops for clean, green and renewable bioenergy, has been developed by researchers with the U.S. Department of Energy (DOE)'s Joint ...
Rice University researchers are using magnetic beads and DNA "springs" to create chains of varying flexibility that can be used as microscale models for polymer macromolecules.
(Phys.org) —Midsummer has found the physics community in a contemplative if not esoteric mood as Physicists discuss quantum pigeonhole principle—if you take three pigeons and put them in two holes, then yo ...
Imagine trying to measure a tennis ball that bounces wildly, every time to a distance a million times its own size. The bouncing obviously creates enormous "background noise" that interferes with the measurement. ...
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