Learning About Evolution Critical For Understanding Science
...actical consequences, such as how bacteria develop resistance to antibiotics. A failure to teach effectively about evolution will rob students of a precious opportunity -- to understand how life on Earth has developed and to appreciate their own place in the world." The guidebook does not attempt to refute the...Scientists Discover A Secret Of Bacterial Communication
...mune system than they are asindividual cells. This resistance presents a difficult problem for physicians, but recent researchhas revealed a way in which the biofilm fortress might be attacked. Dr. E.P.Greenberg, University of Iowa professor of microbiology and UI colleague,Matthew Parsek, together with investi...Researchers Discover How Ulcer Bug Becomes Antibiotic-Resistant
... the proportion may be as high as 80 percent. This resistance is the most common reason for treatment failure, r... The researchers discovered that metronidazole resistance results frommutation in a gene called rdxA. This gene codes for one of the nitroreductaseenzymes tha...Environmental Technology Breakthroughs Forecast -- Year 2008
...ng crops will require lesspesticide due to greater resistance to pests. Other crops will be engineered touse their nutrients efficiently, requiring less fertilizer or water whileproviding higher yields. And, crops with several new features -- such assoybeans that taste better, use less fertilizer and resist p...How Do Bacterial Cells Respond To pH?
...riology. In the medical sphere, the mechanisms of resistance to acidic pHare important in the understanding of the passage of human pathogens through theacid of the stomach. In agricultural science, soil acidification from natural,industrial and agricultural causes is posing problems for the nodulation oflegu......h bacteria establish aninfection in the host. With resistance to antibiotics an increasing publichealth threat, ...ome patients totake a proper dosage of medication, resistance to antibiotics is becoming anincreasing risk to public health. In May, 1997, the Centers for Disease...National Network Provides Update On Devastating Corn Disease
...cross environmentswhich tells us that hybrids with resistance to local fungal populations willhave a resistant reaction at other locations as well. This is key for cornbreeders. Using resistant hybrids in combination with crop rotation willdefinitely restrict yield losses." Although the fungus which causes th...Jellyfish Help To Make Sugar Smarter
...ts environmental impact through genes that confer resistance to pests and diseases. While the gene is being trialled as a marker for genetic improvement of sugarcane, it may also prove useful in research by CSIRO Tropical Agriculture to improve other crops such as sunflowers, barley and mung beans. The...Birds Sing The 'Story Of Their Lives,' Theorize Duke Biologists
...hers cited studies showing male birds withsuperior resistance to disease or parasites withstood insults better and coulddevote a larger proportion of their energies to ornament, making their selectionby a female a wise choice. Other studies reviewed by the Duke biologists showed that the quality orcompl...Some AIDS Patients May Show Resistance To Sulfa Drugs
...authors believe this could signal the emergence of resistance to these medications---called sulfa drugs. Sulfa ... . "It is possible that the mutations may lead to resistance to sulfa in pneumocystis." Kazanjian conducted the study in collaboration with Steven Meshnick , Ph...Antimicrobial Resistance: Issues And Options
...cientists discovered a pathogen that had developed resistance to penicillin. Since that time, antibiotic resistance has risen dramatically, posing a threat to public health, increasing medical costs, and fueling a re...Researchers Unable To Document Existence Of Transient HIV Infection In Infants
...few years ago,she and colleagues were studying the resistance of HIV to the AIDS drug, AZT. Intheir research, they encountered the case of a mother who had had two positivecultures for HIV, and her baby, who had tested positive three times. Duringlater testing, HIV could not be found in their blood specimens. "...DFG To Fund Six New Research Units
...roperty: They conduct electric current without any resistance and hence without any lossesdue to heat radiation. Helium, which is gaseous at room temperature, becomes superfluid atextremely low temperatures so that it flows up container walls and out of the containerwithout any frictional loss. In the research ...New Vancomycin Structure May Point To Path For Overcoming Antibiotic Resistance
... "Once a few bacteria become resistant, the resistance factors can becomewidespread among pathogens," say... though we can be quitecertain that the vancomycin resistance problem will get much worse rather thango away, adequate funding to solve the problem will probably ...Northwestern Researchers Develop Rapid Diagnostic Test To Detect Antibiotic-Resistant Bacteria
...ly isolation prevents the VREfrom exchanging their resistance with other bacteria," Stosor said. Gary A. Noskin, M.D., associate professor of medicine, Lance R.Peterson, M.D., professor of pathology, and Michelle A. Tornatore, researchtechnologist, of Northwestern University Medical School, and F.C. Ten...Peas With Built-In Weevil Resistance
...und in the common kidney bean which has a natural resistance to these seed-eating weevils. "This gene produces a protein that blocks the normal digestion of seed contents by weevil larvae, so they don't grow and develop into adults," Dr Higgins says. "Weevils can reduce yields by 25 to 30 per cent," sa...New Model Makes It Possible To Predict Emergence Of Antiviral Drug Resistance
...odel forpredicting the emergence of antiviral drug resistance and for identifying thekey factors that generate d...tial use of the new methodology for predictingdrug resistance in many infectious diseases prone to antibiotic or antiviralresistance, including HIV. "The methodol...Study Shows Athletes Get No Kick From Nasal Strips
...ers measured air flow, nasal ventilation and nasal resistance under two conditions -- wearing a nasal strip acro... no effect on the switch point, or on nasal-airway resistance or nasal ventilation during high-intensity exercise, and did not enhance performance of any of the s...Plant Pathologists Collaborate Worldwide To Combat Sorghum Ergot
...al cooperation with fungicidal control, host-plant resistance andecology of ergot is extremely important." An ongoing interchange and the latest ergot research findings will be featuredat the National Sorghum Ergot Conference, June 24-26, 1998 at the Omni Hotel, inCorpus Christi, Texas. For more information on...New Gene Therapy Technique Results In Efficient Gene Delivery
...cells, theresearchers introduced a gene conferring resistance to the antibiotic neomycininto the viruses. They added the gene-carrying viruses to the cells and thenexposed the cells to neomycin. To their surprise, the researchers sawcolonies--demonstrating cells had become resistant to neomycin and thus had bee...