Don't stand so close to me: A new view on how species coexist
...n to affect patterns of diversity such as how many similar species we see." Dr. Vincent Jansen, author of the...to prevent Darwinian demons from evolving. Rather, similar species are allowed to coexist....Commandeering cellular machinery: recognition mechanism to detect small molecules
...a molecule known as LG335. (LG335 is structurally similar to Targretin, a pharmaceutical developed to bind RXR. However, LG335 does not effectively bind unmodified RXR.) Though the goal was 32,768 variants, the method actually produced approximately 380,000 samples which would have been impossible to test...Amgen investigational therapy, AMG 162, increased bone mineral density with twice yearly injection
...G 162, at all doses, also increased total hip BMD, similar to or greater than that resulting from FOSAMAX®...ased the BMD of the lower spine by 4 to 7 percent, similar to the 5 percent increase in the FOSAMAX® group, after 12 months of treatment. AMG 162 also had......risons of genetic differences among lice to find a similar population bottleneck in the group of head lice that infested early Homo sapiens, but no such bottleneck in the population of the lice on the archaic human species. That means archaic humans didn't go through the same population shrinkage and thus mu...A treatment, not a cure: Calcium silicate neutralizes an acidic stream
...medy for acid stomach, people reach for Tums, or a similar calcium-based acid reducer. When attempting to increase pH-levels in acidic streams, scientists have historically used various forms of limestone, a natural source of calcium carbonate. Its neutralizing effects are short-lived, however, and can gener...Fungus knocks a frog down but not out, raising questions about amphibian declines
...Later investigation showed that infected frogs had similar survival to uninfected frogs. "This shows that frog populations can persist with an endemic infection of the chytrid fungus," said Retallick. "The presumption until now has been that when a population is hit by this pathogen it is wiped out. It...HHMI researchers Richard Axel and Linda Buck win 2004 Nobel Prize
...cteristic, snake-like shape. They also function in similar ways, by interacting with G proteins to transmit s...so allowed researchers to "pull out" the genes for similar receptor proteins in other species by searching through libraries of DNA from these species. Odorant...How roots control plant shoots
...d as seeds. Most plants are believed to have genes similar to those in thale cress, which is related to broccoli, cauliflower, Brussels sprouts, cabbage and mustard. Scientists already knew that a variety of hormones cytokinin, abscisic acid and derivatives of compounds called carotenoids play a role whe...Pine cones lead to a fundamental change in clothing
...t is hot and shut out air when it is cold. This is similar to a system used by pine cones to open up and emit seeds. The University of Bath and the London College of Fashion are jointly researching the material, which they think could be in everyday use by people within a few years. The project has bee...Intelligent clothing inspired by pine cones
...t is hot and shut out air when it is cold. This is similar to a system used by pine cones to open up and emit seeds. The University of Bath and the London College of Fashion are jointly researching the material, which they think could be in everyday use by people within a few years. The project has been chos...Good news: As you age, leg blood vessels adapt so you can still exercise without fainting
...s and funding: The researchers will be conducting similar experiments in women (both on estrogen replacement and not). They plan to study the mechanisms underlying age-related changes in vascular responsiveness to sympathetic stimulation; and to examine the importance of sympathetic outflow in regulating v...Research out this week helps us understand basics of how neurons communicate
... of how something works. In some ways, the body is similar to a broken car. When something goes wrong, you can't fix it if you don't know how it works."...September/October 2004 Annals of Family Medicine tip sheet
...that diagnoses collected at two points in time are similar to those collected across the course of a year, the authors suggest that a sampling strategy using any quarter of the year but spring (when the diagnoses of pregnancy and coronary artery disease are significantly lower) could be used to understand th...Irwin Rose wins 2004 Nobel Prize in Chemistry
...In addition, it is now known that other modifiers, similar to ubiquitin, are used by the cell to regulate proteins in many ways. These findings are playing a key role in the development of drugs to fight illnesses such as cancer and cystic fibrosis. "The basic science faculty at the College of Medicine a...New study will tackle three major killer diseases
...ated geographically, which means they share a more similar environment: there is less variety in occupations, diet and other factors compared with most other areas of Scotland. The stability of the population also allows family trees to be traced back as many as eight generations, which will enable researche...Muscle-building hand-grips aid systolic blood pressure, carotid AD, endothelial function
...me of the underlying mechanisms. Both studies used similar methodology and isometric handgrip (IHG) exercise three times a week for eight weeks at 30% of maximal voluntary contraction. IHG's effect on carotid distensibility Adrienne Visocchi led a group studying whether arterial distensibility (AD, or the...... in the next several months. The bovine genome is similar in size to the genomes of humans and other mammals, containing approximately 3 billion DNA base pairs. In addition to helping medical researchers learn more about the human genome and thereby develop better ways of treating and preventing disease, th...Bovine genome sequence available
...cts to market specifications."The bovine genome is similar in size to the genomes of humans and other mammals, containing approximately three billion DNA base pairs. The sequencing of the bovine genome will also help medical researchers learn more about the human genome and thereby develop better ways of...Botulism bug says no to nitric oxide, provides key to molecule's role in human cell signaling
...e know that this bacterial version of SONO is very similar to soluble guanylyl cyclase. "If you know the structure of a protein, then you can develop therapeutics targeted to detect specific binding pockets on the molecule," Raman said. "That may allow us to control sGC activity in the absence of nitr...... 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 scientist, and Jinping Gan, a former graduate student. Their ...