Micro-organisms help protect drinking water from MTBE contamination
...organisms may act as a"significant barrier" to the entry of MTBE into surface water systems. Thejournal is published by the American Chemical Society, the world's largestscientific society. The study initially appeared April 21 on the journal's Website. "Our results indicate that these micro-organisms ar...... but also precisely regulates which molecules gain entry into the cell, andwhen: No clathrin, no entry. Wh... -- say the receptor for insulin -- is notpresent, entry is barred. But even when the insulin protein successfully links up with its receptor, theresulting...USGS Advisory: DNA Fingerprinting Allows Non-Intrusive Study Of Grizzly Bears
...ORTERS PLEASE NOTE: Press credentials required for entry into the building....Vastly Different Virus Families May Be Related
...ome peptidesin clinical trials that will block HIV entry specifically by attaching to thisprotein." Lamb said that the goal would be to design small molecules that would makebetter drug candidates than peptides, which are large protein-like moleculesthat are difficult to deliver continuously throughout the...CU Research Team Unravels Mystery Of Larceny Among Tropical Ant Species
...lerts colony members to interlopers trying to gain entry to theirnest. Unlike most ant and bee guards, which kill would-be intruders, E. ruidum guards simply wrestle intruders away from the nest entrance and set them down. But the skirmishes -- similar to bar bouncers ejecting unruly patrons --ironically t...Researchers Identify Molecular Site That Is Key To HIV's Ability To Infect Cells Of Brain, Colon
...arget for therapies aimedat preventing the virus's entry into these tissues and perhaps others, as well.The...iruses, the researchers determined that HIV gained entry to cellsuniformly and efficiently through the CCR5 co-receptor alone. Some virusesgained entry throu...A New Encyclopedia Of Mouse Genes
...ological function of that sequence. TheESTs are an entry point." Another thing that scientists can do in mice is "knock-out," or inactive, agene to try to determine its function. Today, researchers routinely createknock-outs in yeast and in nematode worms, model organisms whose genomes are nowthoroughly se......at part of the process we couldpotentially prevent entry of the virus." Efforts to isolate viral receptors continue in the Kabat laboratory.Tailor has recently identified receptors for one of three forms (subgroup C) ofthe feline leukemia virus that causes fatal anemia in domestic cats, and fortyp...Molecular Doorway Holds Key To Gene Therapy
...s into the body. The new findings tell us that the entry of AAV intothe cell is facilitated by surface rece...usesmultiple cell surface receptors to mediate its entry into cells. HIV, herpessimplex, and adenovirus, a cold virus, also employ multiple receptors. ......EGF protein to a cold virus to speed the protein's entry into heart tissue cells. In Finland, scientists paired the gene therapy with angioplasty. "This is very exciting research but much more research is needed to verify and expand on these preliminary findings," adds Fuster. 2. "Super aspirin" does s...Cellular Target Of Leprosy, Deadly Viruses Found
...so appears that two hemorrhagic fever viruses gain entry to cells via the samemolecular handle. These disc...The discovery that DG is the bacterium's portal of entry may have clinicalimportance, said Campbell, because antibiotics can only treat the leprosyinfection,...Method May Be Key In Combating Diarrhea In Animals And Children
...h nobody has seen before, is either involved inthe entry of the virus into the host intestinalcell, or in holding the virus together," Mark Kuhlenschmidt said. "All of thelayers have to be present for the virus to beinfective. If you remove the outer layer, it doesn't work." The receptor is produced natura...Evidence Appears Strong To Bolster Concept Of Co-Evolution, Scientists Say
...including some that predatethe webworms' post-1900 entry intothe Midwest, University of Illinois entomologists May R. Berenbaum and Arthur R.Zangerl say they have strongevidence for both sides of the adaptation scenario. They published theirfindings in the Nov. 10 issue of the Proceedingsof the National Ac...Fully Endoscopic Brain Surgery At Cedars-Sinai Medical Center
... panoramic view of the brain. Because the point of entry isthrough a nostril, there is no scarring, the brain is undisturbed and both thetime required for the actual surgical procedure, as well as the overall recoverytime are dramatically reduced. Of the approximately 12 Skull Base Institute patients who ...Space Might Enhance Gene Transfer In Plants
...tems and leaf cells. This damaged area provides an entry point for the new genetic information, Bulasays, which can then be incorporated into the plant. The gene being introducedin this experiment has immune-strengthening properties. The process would allowuse of soybean material as a source of medicine to...Researchers Identify How AIDS Virus Kills Cells It Doesn't Infect
...is present on T helper cells andallows HIV to gain entry to a cell. Since CD8 cells aren't infected by the AIDSvirus, scientists weren't sure why they died during HIV disease. Scientists also knew that patients who carry a certain type of virus known as asyncytium inducing, or SI, strain usually succumb mo...Salamanders May Reveal Best Way To Manage Forests
...ds such as group selections, which requirerepeated entry into the stands." In a poster presentation, Knapp and Haas show the impacts of timberharvesting on surface activity in terrestrial salamanders. These creatures spendmost of their time in cool, moist underground environments, but they mustsurf......cells. This protein, called a herpesvirus entry mediator, is the third receptorfor HSV to be ident...eceptor for HSV-1 and -2, this newreceptor permits entry of other closely related forms of herpesvirus, porcinepseudorabies virus and bovine herpesvirus, int...Whitaker Foundation To Fund AAAS Science Journalism Awards Through 2001
...and technology. ## Editor's note: For a contest entry form, rules, and guidelines, please contactthe AAA...26-6440, or send an email to media@aaas.org . The entry form is also available at www.aaas.org/communications/awards.htm .......lls proliferate uncontrolled, so regulation of the entry into the cell division cycle by external hormonal and stress stimuli is a central theme of cancer research. In contrast to animals, plants appear to have strong preventive mechanisms to avoid this kind of uncontrolled ...