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Biologists probe the machinery of cellular protein factories
...ed he was right. "It was a completely heterodox view when we first proposed it, but it is now the accepted paradigm," said Noller, who directs the Center for Molecular Biology of RNA at UCSC. "Our latest results confirm that the ribosomal RNA is really the key to ribosome function. The proteins are als...Does missing gene point to nocturnal existence for early mammals?
...time wholly nocturnal creatures. "The classical view of how the eye sees is through photoreceptive cells in the retina called rods and cones," explained Dr Jim Bellingham, who led the research at The University of Manchester. "But, recently, a third photoreceptor was discovered that is activated by ...Pressured by predators, lizards see rapid shift in natural selection
Countering the widespread view of evolution as a process played out over the course of eons, evolutionary biologists have shown that natural selection can turn on a dime -- within months -- as a population's needs change. In a study of island lizards exposed to a new predator, the...New HIV statistics indicate increasing toll of AIDS on African American community
... NMAC's chair emeritus. "There is a danger that we view AIDS as a problem that only affects Africa when it remains a real and growing danger in our own backyard. That kind of complacency is killing people and it has to stop. This plan of action shows us the path forward to reversing this national dispar...Does natural selection drive the evolution of cancer?
...rests and meadows, oceans and streams. This is the view of researchers in an emerging cross-disciplinary field that brings the thinking of ecologists and evolutionary biologists to bear on cancer biology. Insights from their work may have profound implications for understanding why current cancer therap...Scientists get best look ever at water-life connection
...terium, Staphylococcus. The key to getting a good view of the interaction was to precisely locate an optical probe on the protein surface. They inserted a molecule of the amino acid tryptophan into the protein as a probe, and measured how water moved around it -- a technique Zhong began to develop when h...Innovative movies show real-time immune-cell activity within tumors
... cells, and killing them. Insights from this new view of the body's on-board defenses against cancer may open the way for improved immunotherapies to treat the disease. With a series of movies made under different experimental conditions, the researchers resolved important questions about the mechanis...To elude bats, a moth keeps its hearing in tune
...detection by moths" The authors point out that, in view of the vast diversity of bat calls, this is to be expected. ...Proteins anchor memories in our brain
...eins as "self." The research confirms an emerging view that autoimmunity can start in this cradle of the immune system, and not only at the sites where autoimmune diseases emerge, such as the pancreas in the case of type 1 diabetes, or the joints in rheumatoid arthritis. The discovery, from a mouse mod...Autoimmune disease triggered if T cells miss a single protein early on
...eins as "self." The research confirms an emerging view that autoimmunity can start in this cradle of the immune system, and not only at the sites where autoimmune diseases emerge, such as the pancreas in the case of type 1 diabetes, or the joints in rheumatoid arthritis. The discovery, from a mouse mod...'Nymph of the sea' reveals remarkable brood
...kable discovery provides an unequivocal and unique view of parental brood care in the invertebrate fossil record, it allows gender to be determined in an animal as old as the Silurian period of geological time, and indicates a remarkably conserved egg brooding reproductive strategy."...International team analyzes human genetic variation in key immune region
... other genomic efforts, to provide a comprehensive view of genetic variability in the human MHC. ...Most widely used organic pesticide requires help to kill
... report's authors, Jo Handelsman, of the long-held view of Bt's mode of killing. "What was proposed as a hypothesis in one paper became cited as proven in another and no one seemed to go back to the original literature until now." Handelsman is a Howard Hughes Medical Institute Professor in the UW-Madis...Better sludge through metagenomics
...ossibilities of the wastewater environment, with a view to understanding how the system works and predicting and averting failures or crashes. "This is a first step in a much broader strategy employing a systems biology approach to the study of microbial communities with the goal of designing predictive...USC team reveals structure of APOBEC family protein
...of Southern California have provided the first 3-D view of a protein from an enzyme family that, through its ability to mutate genes, can both help and hinder human health. Reporting in the Dec. 24 online edition of Nature, a USC team led by Xiaojiang Chen revealed the "unusual" crystal structure of the...When nerve cells can't make contact
...nimal model will be possible." From the point of view of the geneticist, the scientists in Göttingen have the best known animal model for autism worldwide. However, there is a limitation: only very few cases of autism are caused by neuroligin mutations and, with few exceptions, nobody knows which geneti...Killing brain tumors from within: A 'Trojan horse' approach
...hat the project has great potential, especially in view of the fact that over-expression of EGF receptors is involved in over 25 % of all types of cancers. The strategy developed to combat GBM can also be applied to other types of receptors found on cancerous cells, he added. Last year, Prof. Levitzki...Parental genes do what's best for baby
...at The University of Manchester say the prevailing view that maternal and paternal genes compete for supremacy in their unborn offspring fails to answer some important questions relating to child development. In fact, rather than a parental power struggle, the researchers suggest that certain offspring...Inheriting a tendency to brain infection
... his opinion, scientists will increasingly need to view common infectious diseases through the lens of such primary immunodeficiencies. "Understanding the genetic basis of the failure of the immune system should make it possible to devise novel ways to make it succeed," he said. Since the mid-1950s,......ightly separated from the dodder seedlings, out of view so to speak, in a set-up designed to block possible light cues. The researchers observed a growth response toward the tomato plants similar to that in their first experiment. Finally, to firmly establish that volatile chemicals from the host plant ...Other Tagspill 2pill 3pill 4pill 5pill 6pill 7pill 8pill 9pill 10abortion 2abortion 3abortion 4abortion 5test 2test 3test 4test 5test 6test 7test 8test 9test 10lung 2lung 3lung 4lung 5lung 6lung 7lung 8lung 9lung 10simple 2simple 3simple 4simple 5simple 6simple 7simple 8simple 9simple 10predicted 2predicted 3predicted 4predicted 5predicted 6predicted 7predicted 8predicted 9predicted 10room 2room 3room 4room 5Other Contentsfissionfissionbinarybinarybinarybinarybiochemicalbiochemicalbiochemicalbiochemicalbiochemicalbiochemicalbiochemicalbiochemicalbiogenesistissuestissuestissuestissuestissuestissuestissuestissuesbiologicsbiologicsbiomassbiomassbiomassbiomass
(Date:12/2/2009)PHILADELPHIA People who smoke their first cigarette within minutes after waking up have much higher levels of cotinine, a by-product of nicotine when processed by the body, than those who wait to smo
(Date:12/2/2009)PHILADELPHIA Assurance of a cancer-free status did not prompt people participating in a long-term computerized tomography (CT) lung-cancer screening program to pick up their cigarettes again, researc
(Date:12/2/2009)Researchers from the University of Georgia College of Veterinary Medicine have made an "unexpected" dual discovery that could open new avenues for treating Ichthyophthirius multifiliis, or "Ich", a de
Breaking Biology News(10 mins):Increased nicotine levels detected in those who light-up earlier 2Repeat negative CT scan for lung cancer does not encourage ex-smokers to resume the habit 2UGA researchers lead team in discovery involving devastating freshwater fish parasite, 'Ich' 2UGA researchers lead team in discovery involving devastating freshwater fish parasite, 'Ich' 3E Cigarettes Pose a Health Hazard FDA Warns 52474 1E Cigarettes Pose a Health Hazard FDA Warns 52474 2E Cigarettes Pose a Health Hazard FDA Warns 52474 3FDA Acts to Protect Public Health from Electronic Cigarettes 52470 1FDA Acts to Protect Public Health from Electronic Cigarettes 52470 2FDA Acts to Protect Public Health from Electronic Cigarettes 52470 3Medifast Independent Director Lt Gen Dennis McCarthy Confirmed as Assistant Secretary of Defense for Reserve Affairs 52466 1Medifast Independent Director Lt Gen Dennis McCarthy Confirmed as Assistant Secretary of Defense for Reserve Affairs 52466 2Medifast Independent Director Lt Gen Dennis McCarthy Confirmed as Assistant Secretary of Defense for Reserve Affairs 52466 3(Date:12/4/2009)Late recurrence is a risk for some pediatric cancers, particularly Ewing sarcomas and tumors of the central nervous system, according to a new study published online December 4 in the Journal of the
(Date:12/4/2009)Case Western Reserve University researchers, from the School of Medicine,s Department of Nutrition, discovered two new metabolic pathways by which products of lipid peroxidation and some drugs of abus
(Date:12/4/2009)Dental tourism is a phenomenon that was started by people that were looking for an alternative to the high price of dental work in the US, Canada, and other countries. In their search for lower priced
(Date:12/4/2009)Move a response to pressure from federal regulators to crack down on abuse of opioid medications , , FRIDAY, Dec. 4 (HealthDay News) -- The makers of 24 different prescription painkillers on F
(Date:12/4/2009)Research and surveillance urged for at-risk patient groups , , FRIDAY, Dec. 4 (HealthDay News) -- Some childhood cancers, particularly Ewing sarcomas and central nervous system tumors, carry t
Breaking Medicine News(10 mins):Health News:Case Western Reserve researchers' new pathway discovery published as 'Paper of the Week' 2Health News:Mexican Dental Vacation Sees a Rush Of New Patients: Recession A Factor 2Health News:Mexican Dental Vacation Sees a Rush Of New Patients: Recession A Factor 3Health News:Makers of Powerful Painkillers Present Safety Plans 2[0] News brief -- childhood cancer survivor study report: Late recurrence is a risk for some cancers[0] Case Western Reserve researchers' new pathway discovery published as 'Paper of the Week'[0] Mexican Dental Vacation Sees a Rush Of New Patients: Recession A Factor [0] Makers of Powerful Painkillers Present Safety Plans [0] Certain Childhood Cancers More Likely to Recur
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