Pheromone receptors need 'escorts'
... recognition of other animals. The studies in mice add "a novel and unexpected layer of complexity to the process of pheromone detection," the researchers wrote in an article published in the March 7, 2003, issue of the journal Cell . The article was published online on March 4, 2003. The findings also ...Berkeley scientists create first 3-D map of protein universe
...gy Research Scientific Computing Center (NERSC) to add the rest of the some 20,000 and counting known protein structures to their map. They also plan to set up a Website where researchers can submit for inclusion new protein structures they have solved. Working with Kim on this protein universe mappin...Bt toxins found to kill parasitic roundworms
...pests that infect animals and plants," the authors add in their paper. "In particular, the effectiveness of Cry5B, Cry14A and Cry21A against the free-living stage of an animal parasite, N. brasiliensis, is promising. Although it remains to be seen whether these toxins are effective against other parasite...First draft of 'periodic table' of protein structures helps visualize nature's universe of proteins
...ives that nature never used. Kim's next goal is to add to the map the less common folding motifs or building blocks. In fact, his group has already added many more folds and has found that they occupy the same "envelope" of the four elongated clusters in fold space, suggesting that this "map" constructed...Brain imaging study sheds light on inner workings of human intelligence
...s actively in mind. Every few seconds, they had to add another word or face to this list, and drop the oldest item from the list. But before they forgot the old item completely, they had to indicate whether the new item they were adding exactly matched the oldest item they were dropping. Their brain acti...Why we are what we eat: New links between our biology and food choices
... of heart disease. Johns has found that the Masaii add different roots and barks to their soups and milk, and chew other plant materials as gum. Tests in the lab have revealed that some of these plants contain high levels of antioxidants, compounds that may lower cholesterol and lipid levels in the bloo...24-Wk data from CONTEXT trial comparing GW433908/ritonavir QD & BID to Lopinavir/ritonavir BID
...ry submission of 908. The 24-week CONTEXT results add to the 48-week results of the NEAT trial, also presented today in Boston, and 48-week data from the SOLO trial, presented in November 2002 at the 6th International Congress on Drug Therapy in HIV Infection in Glasgow, United Kingdom. Efficacy Result...U-Iowa scientists gain insight on how enzyme uses oxygen to produce useful chemicals
...can bind oxygen (to iron) in a side-on fashion and add it on to naphthalene, a hydrocarbon molecule. The discovery is a result of the first three-dimensional imaging of naphthalene dioxygenase, a member of the family of enzymes called Rieske dioxygenases. The findings could help lead to the development o...48-wk resistance data comparing GW433908 boosted & unboosted with nelfinavir
... boosted with ritonavir is encouraging. These data add to 48-week safety and efficacy results of the NEAT trial and 24-week safety and efficacy data from the CONTEXT trial, also presented this week, and 48-week data from the SOLO trial, presented in November 2002 at the 6th International Congress on Drug...Risk of future Exxon Valdez declines 92% since risk assessment, safety measures, says O.R. study
...nimum required bridge crew on board escort tugs to add additional error-capture capability. The International Maritime Organization has approved a change to the tanker route through central PWS, reducing the number of course changes required. The shipping companies have made long-term plans for qualit...Jefferson Lab experiment generates THz radiation 20,000 times brighter than anyone else
...trated, terahertz light can potentially extend and add widely to the wave-based technologies that have defined the last 150 years: from the telegraph, radio and X-rays to computers, and cell phones. Up to this point, no other method of generating terahertz waves had yielded more than two-thousandths of ...Alcohol's effects on testosterone
...ssen suggested that future research build upon and add to previous findings regarding alcohol's effects on testosterone. "It would be important to determine whether lower dosages of alcohol, which do not induce rapid pronounced intoxication and ataxia, would also produce the acute increase in testostero...Expanding the genetic code--TSRI scientists synthesize 21-amino-acid bacterium
...vel amino acids into proteins. They just needed to add the novel amino acid to the culture and grow the cells. Using this method, Schultz and his colleagues last year incorporated the unusual amino acid O-methyl-L-tyrosine into proteins with fidelity greater than 99 percent, which is close to the transla...Smaller households fuel global housing boom and threaten biodiversity, study finds
... reduction in household size alone is projected to add 233 million households to hotspot countries between 2000 and 2015,'' Daily said - a trend that could have a particularly damaging effect in biologically sensitive ares such as the Wolong Nature Reserve in China, where the growth in new homes had led ...Effects of global warming already being felt on plants and animals worldwide
...r adjusting the bag limits for hunters so we don't add insult to injury in the coming years. Because anticipation of changes improves our capacity to manage, it behooves us to increase our understanding about the responses of plants and animals to a changing climate." Other co-authors of the Nature study...In mutually beneficial relationship, slowest-evolving species gains upper hand
... King finding is something of an anomaly that will add to the body of knowledge in evolutionary biology. "I don't think natural selection is going to select for species that evolve slowly. It would be interesting and counterintuitive if that happened, but I don't expect that to happen," he said. "Our wor...Virginia's champion trees make history
...about natural history and forest ecology, but they add beauty to our landscape, as well as health, and even economic values. The Virginia Big Tree Program offers recognition to the commonwealth's rich natural heritage. In fact, Virginia is ranked 4th in United States champion trees," said Jeff Kirwan, Ex...Binge drinking among Jewish and non-Jewish college students
...dence. [However,] although these findings may not add to the literature on alcohol dependence , they do provide evidence that ADH2*2 also relates to a measure of heavy alcohol use in a combined sample of Jewish and non-Jewish whites." Luczak and her colleagues will continue to examine drinking behavior...IFDC innovative technology increases farmers' agricultural productivity, maintains resource base
...ather than mucuna because the cowpeas not only may add nitrogen to the soil but also provide needed revenue. This year the rains came later so she applied fertilizer later and in a smaller dosage. When the rains come later, these farmers prefer to reduce their risks and try to apply smaller dosages of ...Ultrasound shown to be potentially safe, effective way to kill bacteria
...to image internal organs in the human body. They add that the technology could potentially sterilize medical and surgical equipment, food materials, the air duct systems of buildings, airplanes even the space station. The research team includes Dr. Kelli Hoover, assistant professor of entomology; Mah...