Last update Researchers find protein necessary for fertility performs different roles ..., Jan 30, 2015
The protein necessary for fertility in both sexes performs distinctly different roles in male and female gametes, according to a groundbreaking study, which included researchers from the University of Georgia ...
Jan 30, 2015
5 / 5 (3)
0
Human taste receptors are specialized to distinguish several distinct compounds: sugars taste sweet, salts taste salty, and acidic compounds taste sour. Now a new study from MIT finds that the worm Caenorhabditis el ...
Jan 30, 2015
4.7 / 5 (3)
1
Building a protein is a lot like a game of telephone: information is passed along from one messenger to another, creating the potential for errors every step of the way. There are separate, specialized enzymatic ...
Jan 29, 2015
5 / 5 (4)
1
In a discovery that may lead to new treatments for sleep disorders, jet lag and other health problems tied to circadian rhythms, researchers at Dartmouth's Geisel School of Medicine have identified a determinant ...
Jan 29, 2015
5 / 5 (2)
1
Researchers at the RIKEN Center for Developmental Biology in Japan have succeeded in inducing human embryonic stem cells to self-organize into a three-dimensional structure similar to the cerebellum, providing ...
Jan 29, 2015
5 / 5 (3)
0
Researchers working in part at the Department of Energy's SLAC National Accelerator Laboratory have discovered that a key protein for cell health, which has recently been linked to diabetes, cancer and other ...
Jan 29, 2015
4 / 5 (1)
0
Daniel Chitwood, Ph.D., assistant member, and his research group at the Donald Danforth Plant Science Center's in St. Louis, in collaboration with the laboratory of Neelima Sinha, Ph.D., at the University ...
Jan 29, 2015
5 / 5 (3)
1
Researchers at the BBSRC-supported Babraham Institute have mapped the physical structure of the nuclear landscape in unprecedented detail to understand changes in genomic interactions occurring in cell senescence and ageing. ...
Jan 29, 2015
5 / 5 (2)
0
Stress is unhealthy. The cells use therefore a variety of mechanisms to deal with stress and avert its immediate threat. However, certain stressful situations leave marks that go beyond the immediate response; ...
Jan 28, 2015
5 / 5 (8)
10
Antibiotic-resistant infections are on the rise, foiling efforts to reduce death rates in developing countries where uncontrolled use of antibiotics and poor sanitation run amok. The epidemic of "superbugs," ...
Jan 28, 2015
4.8 / 5 (5)
0
Mitochondria produce ATP, the energy currency of the body. The driver for this process is an electrochemical membrane potential, which is created by a series of proton pumps. These complex, macromolecular machines are collectively ...
Jan 27, 2015
5 / 5 (1)
0
A team of biologists from NYU and Harvard has identified new details in a cellular mechanism that serves as a defense against stress. The findings potentially offer insights into tumor progression and neurodegenerative diseases, ...
Jan 26, 2015
5 / 5 (1)
2
Defective cilia can lead to a host of diseases and conditions in the human body—from rare, inherited bone malformations to blindness, male infertility, kidney disease and obesity. Scientists knew that somehow ...
Jan 26, 2015
5 / 5 (1)
0
Scientists at Heidelberg University have discovered an unusually elastic protein in one of the most ancient groups of animals, the over 600-million-year-old cnidarians. The protein is a part of the "weapons system" that the ...
Jan 26, 2015
5 / 5 (2)
0
Researchers have identified a population of "progenitor" cells in the skin that are solely responsible for the generation and maintenance of touch-sensing Merkel cells. The study appears in The Journal of ...
Jan 26, 2015
4.5 / 5 (2)
0
It has been assumed that the increased transmission of sexually-transmitted diseases in the case of mating promiscuity is influential in shaping the immune system of mammals. Results published in the scientific ...
Jan 23, 2015
5 / 5 (2)
0
Workhorse molecules called heat-shock proteins contribute to refolding proteins that were once misfolded and clumped, causing such disorders as Parkinson's disease, amyotrophic lateral sclerosis, and Alzheimer's ...
Jan 22, 2015
4 / 5 (5)
0
A miniscule cluster of estrogen-producing nerve cells in the mouse brain exerts highly specific effects on aggressive behavior in both males and females, according to new research by UC San Francisco scientists.
Jan 22, 2015
5 / 5 (6)
0
(Phys.org)—A study conducted by researchers affiliated with three major institutions in France has found that dying cells appear to cause more changes to surrounding tissue than has been previously thought. In their paper ...
Jan 22, 2015
5 / 5 (2)
0
A primary challenge in the biosciences is to understand the way major evolutionary changes in nature are accomplished. Sometimes the route turns out to be very simple. An example of such simplicity is provided ...
Jan 22, 2015
not rated yet
0
Females of the malaria-spreading mosquito tend to obtain their blood meals within human dwellings. Indeed, this mosquito, Anopheles gambiae, spends much of its adult life indoors where it is constantly expose ...
Jan 22, 2015
5 / 5 (3)
0
Back-to-back studies from researchers at the Gladstone Institutes have exposed new battle tactics employed by two deadly viruses: hepatitis C (HCV) and the Kaposi's sarcoma-associated herpesvirus (KSHV). Published in the ...
Jan 22, 2015
5 / 5 (1)
0
The ribosome is the protein-making "factory" within cells responsible for knitting together amino acids into polypeptide chains that form proteins.
Jan 22, 2015
5 / 5 (2)
0
The creation of genetically modified and entirely synthetic organisms continues to generate excitement as well as worry.
Jan 21, 2015
4.4 / 5 (8)
3
Scientists from Yale have devised a way to ensure genetically modified organisms (GMOs) can be safely confined in the environment, overcoming a major obstacle to widespread use of GMOs in agriculture, energy production, waste ...
Jan 21, 2015
4.2 / 5 (5)
0
More news
Other news
Diseases transmitted by mosquitoes have contributed to the death and suffering of millions throughout human history, earning the mosquito the title as the world's most dangerous animal. Even today, several ...
A study of long-lived mutant C. elegans by scientists at the University of Massachusetts Medical School shows that the genetically altered worms spend a greater portion of their life in a frail state and ex ...
We perceive our environment mostly with our eyes: the visual system delivers about 80 percent of the information processed in the brain. The retina contains all the neurons responsible for transmitting visual ...
Rockefeller University scientists have analysed soils from beaches, forests, and deserts on five continents and discovered the best places in the world to mine untapped antibiotic and anticancer drugs. The findings, published ...
Second messengers are small molecules that transmit signals in the cell. A single second messenger typically interacts with several signalling proteins. "Even though this may give the impression of promiscuity, the interactions ...
Russia on Sunday carried out its first space launch of the year, using its commercial Proton rocket to send a British satellite into orbit.
A researcher at Missouri University of Science and Technology has discovered a bacterium that can produce hydrogen, an element that one day could lessen the world's dependence on oil.
Troy Bradley might have been exhausted and a bit dehydrated, but the words printed on his T-shirt said it all: "Failure is not an option."
NASA on Saturday launched a new Earth-observing satellite that aims to give scientists high-resolution maps showing how much moisture lies in soil in order to improve climate forecasts.
Peripheral nerve injury (PNI) is a common consequence of traumatic injuries, wounds caused by an external force or an act of violence, such as a car accident, gun shot or even surgery. In those injuries that require surgical ...
Japan on Sunday successfully launched a back-up spy satellite, its aerospace agency said, after cancelling an earlier lift-off due to bad weather.
Nepal's success in turning tiger-fearing villagers into their protectors has seen none of the endangered cats killed for almost three years, offering key lessons for an anti-poaching summit opening in Kathmandu ...
Carl Djerassi, the chemist widely considered the father of the birth control pill, has died.
Here are key dates in the current Ebola epidemic, the worst ever outbreak of the haemorrhagic fever which first surfaced in 1976 in the Democratic Republic of Congo (DRC).
Chile's President Michelle Bachelet on Saturday pressed ahead with plans to decriminalize abortion in certain cases, a decades-old taboo in one of Latin America's most socially conservative countries.
Transcription factor Twist1 is involved in many processes where cells change shape or function. Thereby, Twist1 is crucial for embryonic development, but has also been implicated in cancer progression. However, the precise ...
A leading microbiologist has warned of the increasing threat that killer fungi poses to humans and the environment.
Lubbock is known for many things. Some of them are reasons to celebrate, like being the home of Buddy Holly. Some portray the city in negative ways, like dust storms.
To survive and fulfill their biological functions, cells need to take in material from their environment. In this process, proteins within the cell pull inward on its membrane, forming a pit that eventually ...
A group of white blood cells known as B cells, which play a key role in the human immune response, need a protein-targeting signal called mannose 6-phosphate (M6P) in order to proliferate, differentiate, ...
Scientists at the Mechanobiology Institute (MBI) at the National University of Singapore (NUS) have discovered the molecular mechanisms responsible for the formation of the adherens junction at the nanoscale ...
A team of researchers at the University of Bern has managed to considerably prolong the lifespan of flies by activating a gene which destroys unhealthy cells. The results could also open new possibilities ...
Organization is key to an efficient workplace, and cells are no exception to this rule. New evidence from Johns Hopkins researchers suggests that, in addition to membranes, cells have another way to keep ...
(Phys.org) —The quintessential feature of a black hole is its "point of no return," or what is more technically called its event horizon. When anything—a star, a particle, or wayward human—crosses this ...
If you listen to climate change skeptics, Earth's surface hasn't warmed appreciably in the last 15 years, and any "record" set last year is just the result of the planet doing what the planet naturally does.
Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial ...
In 1938, Orson Welles narrated a radio broadcast of "War of the Worlds" as a series of simulated radio bulletins of what was happening in real time as Martians arrived on our home planet. The broadcast is ...
Researchers at the University of Southampton have proposed a new fundamental particle which could explain why no one has managed to detect 'Dark Matter', the elusive missing 85 per cent of the Universe's ...
A new study finds that many U.S. adults—roughly one in five—are deeply religious, know a lot about science, and support many practical uses of science and technology in everyday life, but reject scientific explanations ...
The American public and U.S. scientists are light-years apart on science issues. And 98 percent of surveyed scientists say it's a problem that we don't know what they're talking about.
Whose Internet is it anyway?
With the Large Hadron Collider (LHC) preparing to restart in a few months, data from its first run has already been bearing fruit.
Researchers have for the first time provided strong evidence for what conspiracy theorists have long thought - oil is often the reason for interfering in another country's war.
(Phys.org)—Like Einstein, the philosopher Karl Popper was a realist who was deeply bothered by some of the odd implications of quantum mechanics. Both Popper and Einstein disliked the idea in Heisenberg's ...
A Sun-like star with orbiting planets, dating back to the dawn of the Galaxy, has been discovered by an international team of astronomers.
A new study by a team of physicists at Rice University, Zhejiang University, Los Alamos National Laboratory, Florida State University and the Max Planck Institute adds to the growing body of evidence supporting ...
There's a lot to like about Windows 10, the next version of Microsoft's flagship operating system. But the tech giant has also worryingly left unanswered a lot of important questions about the software.
"If you walk into a cocktail party and say, 'I don't believe that time passes,' everyone's going to think you're completely insane," says Brad Skow, an associate professor of philosophy at MIT.
The Earth's crust under Iceland is rebounding as global warming melts the island's great ice caps, a University of Arizona-led team reports in an upcoming issue of Geophysical Research Letters.
A see-through zebrafish and enhanced imaging provide the first direct glimpse of how blood stem cells take root in the body to generate blood. Reporting online in the journal Cell today, researchers in Bos ...
Researchers at the Stanford University School of Medicine have discovered the stem cell in mice that gives rise to bone, cartilage and a key part of bone marrow called the stroma.
Ludwig Maximilian University of Munich researchers have discovered a previously unknown chemical language used by many bacterial species to coordinate their activities, and show in a model organism that such ...
Every summer, the news reports on a bacterium called Vibrio vulnificus found in warm saltwater that causes people to get sick, or die, after they eat raw tainted shellfish or when an open wound comes in con ...
Case Western Reserve and University Hospitals (UH) Case Medical Center researchers and physicians have discovered that the molecule known as coenzyme A plays a key role in cell metabolism by regulating the actions of nitric ...
NASA's Dawn spacecraft has returned the sharpest images ever seen of the dwarf planet Ceres. The images were taken 147,000 miles (237,000 kilometers) from Ceres on Jan. 25, and represent a new milestone for ...
Imagine the following scenario: a woman and a man are having a conversation. She is interested in the conversation, and is friendly, smiling and warm. He interprets her behavior as sexual interest.
Common psychiatric disorders such as schizophrenia, bipolar disorder and major depression share genetic risk factors related to immune function and DNA regulation, according to new findings by a large collaborative ...
Research at Swinburne University of Technology has shown that it is possible to predict the masses of black holes in galaxies for which it was previously thought not possible.
Earth's magnetic field is crucial for our existence, as it shields the life on our planet's surface from deadly cosmic rays. It is generated by turbulent motions of liquid iron in Earth's core. Iron is a ...
At first glance, you many not guess that this feature on Mars is an impact crater. The reason it looks so unusual is that it likely is a triple impact crater, formed when three asteroids struck all at once ...
Find more Cell & Microbiology news articles via sort by date page
