New protein plays espionage role in bacterial attack on plants
...ect sense that the host disease resistance protein thats going to perceive this invader is inside the cell, Dangl explains. He and his biology department colleagues -- post-doctoral fellow David Mackey, graduate student Ben F. Holt III, and research analyst Aaron Wiig -- studied how the wild mustard plant ...Scientists seek women who suffer from PMS
...utes to a worsening of symptoms during stress, but thats speculation because we havent measured that directly yet, Girdler said. The study published last year involved measuring allopregnanolone levels in women diagnosed as having premenstrual dysphoric disorder and also in others known not to have it, sh...New technology may benefit health care, bioterror defense
...ntity of the base it just read," Hardin says. "And thats something we just dont have now. This process would eliminate many time-consuming intermediary steps, and in addition, would require the use of only a single molecule of DNA to read." Having quick and easy access to a persons entire genetic informa...Undergraduate unraveling genetic mysteries in fruit flies
...a gene mutation led to the production of a protein thats shorter than it should be, so it couldnt function properly, Comeaux said. Thats why the salivary gland, and, more importantly, the fly itself didnt develop properly. The research also yielded new insights into how a developing salivary gland moves in...Researchers discover mechanism of plant resistance to pathogens
...e. Theres a conserved region in the flagellin thats present on a wide range of bacterial pathogens, so plants are very effective at detecting pathogens. Highlighting the conservation and similarity of immune systems in plants and animals, bacterial flagellin can also trigger innate immune response th...Worm neuron research may lead to powerful model for Parkinson's study
...k we can do that in the worm more efficiently, and thats one of our future goals." To expand their ability to visualize the effects of chemical exposure in their model, the team also foresees introducing a second color into their transgenic worms. "We are developing the use of different colors of repo...Compounds rejuvenate rats, may aid humans
...est studies offer hope. Carnitine is an amino acid thats involved in fatty acid transport into mitochondria. It's a natural compound produced in the cell and obtained in the diet through meats and vegetables. Previous research showed that rats fed this compound had improved mitochondrial function and overa...'Summer of the Shark in 2001 more hype than fact, new numbers show
... Last year was anything but an average year, but thats because it was more like the summer of the media feeding frenzy, he said. The number of attacks remained nearly identical in both the United States (55 in 2001 compared with 54 the previous year) and Florida, the nations leader, where they decrease...New research sheds light on earth's largest animals
...llow it by boat to stay within five miles, because thats how far the signal traveled, Mate said. If it got out of range, that was it. And we could only track one animal at a time. Now we receive data on 1520 blue whales simultaneously, as well as several other species," he added. "The technology is gettin...Excessive growth of bacteria may also be major cause of stomach ulcers
... regulated by the acid concentration. It turns out thats not the case, because treating these animals with ...vergrowth or the Helicobacter infection, because thats going to potentially create other problems. Antibiotics should be used to treat such bacterial overg...... been measured at 22 60 lbs per square inch. And thats just barnacles. Blue mussels know how to make 21 ...using copper-based paints since the mid-1980s, but thats not true throughout the world. Meanwhile, Dr. Paul Armistead, manager of ONRs Polymer Chemistry pro...Like storm clouds, natural disasters carry a silver lining, biologist says
... several years back, are considered disasters, but thats complete poppycock, the UNC biologist said. Fires release trapped nutrients that have been bound up in trees for many decades and return them to the soil, he said. They also open up the forest to let much more light in. Suddenly, you have a big surge...Scholar: hurricanes helped shape Cuban culture, history
...izing and transporting people during hurricanes -- thats why only five people perished during Michelle recently....Illuminating how plants adapt to light
... genetic basis of natural variation in plants, but thats pretty much true for all organisms, and certainly also true for humans, Weigel said. In humans, these variations include susceptibility to disease and how they react differently to medications. We hope these studies will help us find general principl...New clues to how RNA exits the nucleus
... all these other RNA binding proteins on mRNA. And thats something that we need to understand next. According to Steitz, one of the keys to understanding mRNA export is discovering why cells appear to need alternative export pathways. Our guess is that cells need multiple pathways to be able to adapt to di...Researchers discover precise olfactory map
...t receptors is being combined in the cortex, while thats not true in the nose or the olfactory bulb," she said. "There, the information from different receptors is segregated in different neural structures. So, we may be seeing the beginning of processing of the combinatorial receptor code that we know exi...Crater makes an impact on three sessions at GSA
What happens when a rock from space thats more than a mile wide slams into the Earth at supersonic speed? Scientists from the U.S. Geological Survey (USGS) and its partners are learning as they analyze evidence they are recovering from cores drilled during the past two summers into the Ches...... Pennsylvania have developed a prototype fuel cell thats the first to run on a readily available liquid fuel source, in this case ordinary diesel fuel. The work nudges fuel cells closer to viability, offering the promise of compact, portable power sources that offer much more bang for the buck than combus...How brain cells remember their birth order
...uld maintain hunchback expression permanently. And thats one way the daughter cells can have a molecular memory of their birth order. This order of genes is critical for normal brain development, because when one of the first genes in the sequence (hunchback, for example) is artificially turned on continuo...UF researchers: beach mice face high probability of extinction
...a high probability of extinction within 100 years thats probably a normal function of their biology, Wooten said. Its just that now, with so few populations, that fluctuation poses a threat to the species. The problem is that hurricanes have the potential to wipe out mouse populations -- thanks to coastal...