Joslin study refutes recent report that bone marrow can replenish female oocytes
...e marrow or peripheral blood cells were capable of generating new oocytes in the ovaries of recipient mice. The Joslin study will appear in an upcoming issue of Nature and on the journal's Web site on June 14, 2006. "It was a very important study to do," says Amy J. Wagers, Ph.D., Investigator in Developmental...US gov't approves multi-million $ wild bird avian flu surveillance network
... the same time, the conservation community will be generating sound science to inform all parties on where wild birds may be a key factor, and where the focus should be more on the movements of poultry and poultry products, for example."...Policy makers draw up list of 'top 100' ecological questions
...rs. Narrowing this gap would be very beneficial in generating policies that are based on sound science. Conversely, it is desirable that research should be more clearly directed at issues that influence policy." The list of 100 questions is the outcome of two days of discussion between 654 environmental policy ...Gut reaction: Researchers define the colon's genome
...rchers created DNA libraries based on the samples, generating a total of 65,059 and 74,462 sequence reads, respectively, from the two subjects. They found evidence for several hundred bacterial phylotypes, most falling into two divisions of bacteria known as Firmicutes and Actinobacteria. In addition, a microbi...The results are in: Bacterial parasite strives for balance in host infection
...ductive ends. In the case of P. ramosa, that means generating transmission-stage parasites, or spores. In keeping with the tradeoff hypothesis, the researchers predicted that the parasite should castrate early to optimize the appropriation of host resources, and produce intermediate levels of virulence to keep...Mice lacking key immune component still control chronic viral infections
...e says. "This suggests there's an alternate way of generating CD8 T cells." The researchers believe a closely related stand-in for MHC Class I makes it possible for mouse CD8 T cells to recognize and fight the virus. "It would be reasonable for there to be backup plans, particularly given that some viruses ha...New approach to vaccine development provides potent, long-lasting immunity
...m them to attack the foreign invader, subsequently generating the appropriate immune response. As the other studies have found, and the Pitt team confirms, skin-derived dendritic cells play a lesser role when other vectors are used, merely serving as the transport system to the lymph nodes, where another popul...Researchers look to nature for design inspiration
...e snails, while others do not. Streelman's team is generating three-dimensional X-rays of the jaws to allow them to compare species and see the microscopic architecture that reinforces the jaws while the fish crush their prey. Using a technique commonly used by engineers to model mechanical properties, Finite E...Scientists develop ENDEAVOUR − a computer program for identifying disease genes
...These days, scientists are not only concerned with generating new data but also with deciphering the existing data, and thus being able to see the forest for the trees. ENDEAVOUR To decipher these genetic data, scientists have developed the computer program ENDEAVOUR. Drawing on various databases, ENDEAVOUR g...CRed calls for radical rethink of UK energy policy
... generation would be far cheaper than building new generating capacity, particularly nuclear power. It would als...eventually be saved cheaper than constructing new generating stations individuals and communities as well as businesses become engaged ownership of energy use,...Diverse tropical forests defy metabolic ecology models
...rs on metabolic ecology had just come out and were generating a lot of excitement '" as well as considerable skepticism. And we thought, hey, we have an unprecedented opportunity to test these predictions, and to see whether these patterns are really similar across all these forests," remembers Muller-Landau. ...Lactic acid not athlete's poison, but an energy source - if you know how to use it
...ls, the basic chemical reactions producing ATP and generating lactate comprise the glycolytic pathway, often called anaerobic metabolism because no oxygen is needed. This pathway was thought to be separate from the oxygen-based oxidative pathway, sometimes called aerobic metabolism, used to burn lactate and oth...Rutgers team's coal-to-diesel breakthrough could drastically cut oil imports
...l duo revamps the Fischer-Tropsch (FT) process for generating synthetic petroleum substitutes, invented in 1920 but never developed to the point of becoming commercially viable for coal conversion. The FT process recently gained national attention through the efforts of Brian Schweitzer, governor of coal-rich M...'Resonance' may explain virologic failure in STI drug therapy
...atical models can be extremely useful as tools for generating hypotheses," Blower said. Resonance is the oscillation that results when a system with natural periodicity is affected by an external force that is itself moving at an appropriate frequency, resulting in a strong fluctuation. A swing pushed in the sa...2006 annual meeting of the Society for the Study of Reproduction
...ch topics as pheromones, obesity and reproduction, generating sperm from human testicular stem cells, and new concepts of puberty....Diabetes and cancer: Alpha connection
...esearchers for over a decade but a new approach to generating mouse models, has allowed investigators from the Ludwig Institute for Cancer Research's (LICR) UCL Branch and the UCL Centre for Diabetes & Endocrinology to solve the mystery and yield important information for planned clinical trials with PI3K inhib...Oh, what a feeling - dancing on the ceiling!
...achines, which use micropatterned polymer feet for generating adhesion"....Plants give pests sock in the gut
... The research has potential global implications in generating a cheap and highly effective way of controlling crop pests. Other authors of the paper include Tibor Pechan, Srinidi Mohan, Renuka Shivaji, Lorena Lopez, Alberto Camas, Erin Bassford, Seval Ozkan, Peter Ma, all at Mississippi State University; and...Evolutionary biology research techniques predict cancer
...etically diverse tumors have a high probability of generating mutant cells that will flourish and spread, allowing the tumor to transform and grow. In the future, in addition to serving as a biomarker for cancer risk, he adds, measures of genetic diversity might help doctors assess the success of cancer prevent...Carnegie scientists fine-tuning methods for Stardust analysis
...rom the coma of comet Wild-2. The team is already generating preliminary data. For the latest news on Stardust, as well as other studies on interstellar dust particles and meteorites, see a series of talks and posters at the NASA Astrobiology Science Conference (AbSciCon) 2006 at the Ronald Reagan Building in ...