Fungus knocks a frog down but not out, raising questions about amphibian declines
... hit by this pathogen it is wiped out. It doesn't appear to be that simple. "In Central America and Eastern Australia, the same pattern has occurred the frog populations have been healthy and all of a sudden there is a crash and some species are wiped out entirely. In Eastern Australia several spe...HHMI researchers Richard Axel and Linda Buck win 2004 Nobel Prize
..., allowing her to zero in on a group of genes that appear to code for the odorant receptor proteins. Her first assumption--based on bits of evidence from various labs--was that the odorant receptors look a lot like rhodopsin, the receptor protein in rod cells of the eye. Rhodopsin and at least 40 other rece...Low dose radiation evades cancer cells' protective 'radar'
...cancer cells into ignoring the damage signals that appear on its radar could succeed in making radiation more effective in wiping out the disease," says DeWeese. This research was funded by the National Cancer Institute. Research participants from Johns Hopkins include Spencer Collis, Julie Schwaninger, Alf...Is Interleukin-6 the 'holy grail' of exercise mediation?
... quickly, while in endurance activity IL-6 doesn't appear until later. Activation of the IL-6 gene seems to be enhanced when muscle glycogen content is low, while carbohydrate supplementation during exercise has been shown to inhibit the release of IL-6 from contracting muscle. What does seem consistent is ...Old bones unearth new date for giant deer's last stand
...shoulder height with antlers spanning 3.5 metres - appear to have made their final stand in the Ural mountains on the boundary of Europe and Asia, possibly the last haven for a species which was being progressively wiped out by climate change and the spread of ice sheets, according to the study by UCL Profe...New risks for bladder cancer identified by MIT team
... chemicals in the same chemical family that do not appear to be human carcinogens. Because they are chemically similar to their three noxious cousins, they could potentially lead to safer alternatives for the latter. Authors of the paper from MIT are Tannenbaum, Paul L. Skipper, a BE principal research ...Emory chemists develop bacteria that may help decaffeinate coffee
... and graduate student Shawn Desai, is scheduled to appear in the Oct. 27 edition of the Journal of the American Chemical Society. Bacteria are terrific chemists, but they normally synthesize only molecules they need for their own survival, says Gallivan. His research team is interested in making bacteria sy...'Junk' DNA may be very valuable to embryos
...ot be just the "junk DNA" once thought, but rather appear to be a large repository of start sites for initiating gene expression. Therefore, more than one third of the mouse and human genomes, previously thought to be non-functional, may play some role in the regulation of gene expression and promotion of g...Researchers provide road map for generating B cells from stem cells
...t." At each stage, different markers or receptors appear on the cell surface, which helps the researchers monitor a cell's progress and enables the cell to reach the next stage. "To make real use of stem cells we will have to assemble genetic regulatory networks such as this for each cell type we want to g...UF scientists have bionanotechnology recipe to find elusive bacteria
...m and for early disease diagnosis. The study will appear this week in the Proceedings of the National Academy of Sciences . "Our focus is the development of a bionanotechnology that combines the strengths of nanotechnology and biochemistry to generate a new type of 'bionanomaterial,' which has some uniqu...FSU scientist links iron imbalance to Parkinson's disease
... in a Mouse Model of Parkinson's Disease" and will appear in an upcoming edition of Experimental Neurology. Levenson is an associate professor of nutrition, food and exercise sciences in FSU's College of Human Sciences and a faculty member in both the Program in Neuroscience and graduate program in molecula...Acoustics meeting in San Diego
...ce at the receiver. Any subtle defect, which may appear in the material, changes the route of the ping-ponging wave and affects the refocusing of the time reversed echo that allows it to find hidden defects. (3aPA12) VIEWING THE COMPLETE MEETING ABSTRACTS To read the full meeting abstracts of the paper...UNC scientists identify sticky protein in sickle cell red blood cells
...ten require hospitalization. The new findings appear in the Oct. 8 issue of the Journal of Biological Chemistry. The work of Dr. Julia Brittain provides new clues to better controlling stickiness of sickle red blood cells, said Dr. Leslie Parise, professor and vice chair of pharmacology at UNC's Scho...Gladstone researchers resolve key Huntington's disease mystery in Nature cover story
...ormal deposits of mutant huntingtin protein, which appear in the brains of all Huntington's disease patients, aren't the cause of neuronal death. Scientists know that mutant huntingtin protein is responsible for the disease, but they have not known in what form it wreaks its havoc. They haven't known, for i...Tips from the Journals of the American Society for Microbiology
...tection against the influenza virus. The findings appear in the October 2004 issue of the Journal of Virology. Annual flu epidemics continue to pose major health problems worldwide despite yearly vaccination efforts. Studies indicate protection offered by the current vaccine to be sh...Amphibians in dramatic decline; Up to 122 extinct since 1980
...n-line by Science Express this afternoon, and will appear within the next few weeks in the journal Science . Over the past three years, scientists analyzed the distribution and conservation status of all 5,743 known amphibian species which include frogs and toads, salamanders, and caecilians. Of these, 1,...Researchers find protein that makes long-term memory possible
...the National Institutes of Health. Their findings appear in the October 15 issue of Science. The protein is known as mBDNF, which stands for mature brain-derived neurotrophic factor. It appears to chemically alter neurons, boosting their ability to communicate with one another. "Most of what we ...Using fruitflies to examine alcohol tolerance
...erature suggests that rapid and chronic tolerance appear likely to represent early and later versions of the same set of brain adaptations to alcohol. The second finding of interest concerns mutant flies with a defective ability to produce octopamine. By testing flies with mutations for many other genes,...Scientists identify new cause of obesity
...that cause even subtle changes in this protein now appear sufficient to increase food intake, ultimately leading to obesity. "Clearly, this receptor is crucial to the body's highly sensitive ability to balance food intake and energy expenditure," Vaisse said. In the on-going UCSF Genetics of Human Obesity S...Excess dietary fat accelerates breast cancer by altering the activity of a group of genes
...ment of the disease, while blue fish and olive oil appear to delay its development. A research team headed by Dr. Eduard Escrich, lecturer in the Departament de Biologia Cellular, de Fisiologia i d'Immunologia at the UAB and head of the Grup Multidisciplinari per a l'Estudi del Cncer de Mama (Multi-discipl...