Bacterial Toxin Surprises Scientists
...f amino acids across the membrane. This is unexpected because most protein channels thread themselves across the membrane seven or more times. The mystery has led some researchers to consider a hypothesis previously thought unlikely--that the channel walls are not made ex...Scientists Identify Retrovirus-Like Components In Corn Genome
...in corn appear to be retrovirus-like parasites, an unexpected finding because other organisms with such matter in their genomes, such as humans, are susceptible to retroviral diseases. Active retroviruses have never been seen in plants. "Despite the fact that more than half its genome consists of this retroviru...NIH Team Discovers Endocrine Tumor Gene
...tary endocrine tumors, as well as to the growth of unexpected cancers. There is, for example, an unknown gene implicated in some forms of breast cancer also located at 11q13, which NCI researchers plan to explore, according to Dr. Liotta. A tumor suppressor gene acts like a set of brakes on abnormal cell...Researchers Find Production Point Of Key Protein In Fragile X Syndrome
...nd that the synthesis of a key protein occursin an unexpected location in the brain. Scientists from four universities report that the fragile X protein isproduced in synapses junctions through which nerve cells communicate.The discovery is backed by a second study that shows when the gene thatinitially ...One Chimp Can Perceive States Of Awareness In Others
...e how ignorant or informed their peers are aboutan unexpected situation. The finding, made by a team of researchers at Ohio State University'sComparative Cognition Project, suggests that chimps share with humans theability to perceive the knowledge state of a peer, and perhaps the intentionto protect that...UC Geologist "Flip-Flops" On Understanding Of Crinoid Life Style
...xplain the 85 million-year-oldCretaceous crinoid's unexpected buoyancy. It's a model that beganwith a few random thoughts. "In thinking about this, I got to thinking about insects likewater striders," said Meyer. "There are aquatic insects that liveon the surface of the water and use surface tension. They walk ...Strange South American Fossil Mammals Found In Madagascar And India
...ered on the island of Madagascar and in India. The unexpected discoveries were announced in this week's issue of the journal Nature by an international team of researchers. The team was funded by the National Science Foundation (NSF) and led by paleontologist David Krause of the State University of New Yor...At Life's Most Sensitive Stage, Embryos Cope With Stress
...fmann said. Lindquist's research has uncovered two unexpected ways that embryos restrictheat shock proteins. Her lab studies the fruit fly Drosophila, which has adramatic response to high temperatures - within an hour of exposure to heat, thefly1s cells are flooded with a thousandfold increase in the heat shock...Recovery From Mass Extinction Is Unexpectedly Diverse
...issueof the journal Science. "These are completely unexpected results," said Jablonski, Professor inGeophysical Sciences at the University of Chicago. He found that regionsdiffered greatly from each other not only in terms of which species diversifiedand how quickly, but also in the ratio of surviving local spe......l of 29 patients and inthe process found two other unexpected results of the therapy. Patients with premature atherosclerosis -- an inflammatory disease of theblood vessels of the legs which usually strikes young men -- respond well to thegene therapy. Isner says this finding is intriguing since th...First Evidence That Localized Arthritis Gene Therapy Heals Distant Diseased Joints
...esearchers have made the unprecedented and totally unexpected finding that localized gene therapy for arthritis produces healing effects on distant joints affected with the disease. Results of this landmark study, conducted in a rabbit model of rheumatoid arthritis, appear in the April 15 issue of the Proceedi...... University of Georgia isuncovering intriguing and unexpected clues about marine bacteria. Mostinteresting may be the dominance of bacteria from the so-called "marine alphagroup" in the near-shore waters and estuaries of the Georgia coast. As much as30 percent of the bacteria in the area belongs to a single gro...Precursors To Red Blood Cells Form Earlier Than Previously Thought
...r the liverdevelops," Palis said. This finding was unexpected since recentscientific theories have proposed that definitive red blood cellprecursors arise inside the embryo. Hematopoietic stem cells, which give rise to all circulatingblood cells, are present in the bone marrow of the adult, thecord blood of the...Biggest Acoustics Meeting Ever
...ng Noise in the Transportation Landscape In an unexpected discovery, researchers have found that highway noise barriers with jagged edges arebetter at shielding sound than those with smooth walls. Penelope Menounou and her colleagues at theUniversity of Texas ( menounou@mail.utexas.edu ) have come up with a...Scientists Discover Proteins Which Help Set The Body's Clock
...rchers working on the humangenome project found an unexpected gene. This gene proved similar to a gene thatencodes photolyase, an enzyme involved in repairing DNA damaged by ultravioletlight. Photolayse is found in many organisms, Sancar said, "but I knew for afact that humans did not have it." Intrigued, Sanca...Can Contaminated Aquifers Restore Themselves?
...mmonly found insewage, nitrate and ammonium, in an unexpected way. Treated sewage carriedoxygen below the infiltration beds, where microbes used it to convertammonium to nitrate in a process called nitrification. Biological activityin the aquifer now is high enough to consume most of the oxygen flowing inwith...Researchers Demonstrate That COX-2 Inhibits Angiogenisis In Tumor Cells
...t the angiogeniceffects. "It was really an unexpected finding," DuBois said. "There's long been a question about how aspirin reduces the risk fordeveloping colon cancer, and in this model system, we found two ways in whichthat might be happening. If we can better understand the mechanism involve...HIV Infected Adults In UCSF Study Show Evidence Of Thymus Activity
...nerGreene, MD, PhD, added, "These are exciting and unexpected results that havepotential implications for immune restoration following the control of HIVinfection." The study was funded by the National Institutes of Health and the University ofCalifornia San Francisco. In large part, it was made possible by the...Space Grown Insulin Crystals Provide New Data On Diabetes
...ease into the human body. With some ofthe new and unexpected findings, researchers may be able to improve how insulinis released from its inactive-stored state to its active state. This couldgreatly improve the quality-of-life of people who are on insulin therapy bycutting down on the number of injections the...Scientists Make Progress Toward Gene Therapy For HIV Infection
... time (4 to 18 weeks) after transfer. "This was an unexpected finding," Dr. Walker says. "Transferred cells wereassumed to be short-lived. The fact that they live for weeks to months providesa rational basis for transfusing genetically altered cells to fight HIVinfection." To trace the infused cells, Dr. Walk...