New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics
...rialgrowth, the scientists said. Bacterial resistance to antibiotics has become an important health problemand one that has defied solution, since bacteria can so readily adapt tothe current generation of antibiotics. The researchers, who published their findings in the Nov. 10 issue of thejourn...Transgenic Rice Plants Resist Insects, Drought And Salt Damage
...ford to wait for domestic rice varieties to evolve resistance to insect pests or drought," said Ray Wu, Cornell ...cts, the Cornell scientists noted. Greater insect resistance can be easily achieved by adding genes that cause the plant to produce the Bt (Bacillus thuringiensi...DNA Techniques Allow Scientists To Become Pollution Detectives.
...he E. coli (present in fecal matter) forantibiotic resistance and looking at the DNA chains, we can tellif it is human pollution or animal pollution. Different animalswill have different E. coli and will have greater DNA patternsbecause there are more animal species. Humans have fewer DNApatterns." Tamplin and ...Researchers Find Possible New Route to Making Cancer Cells Vulnerable
...an transplantrejection also partially reverse drug resistance in certain cancer cells. Such resistance,...cientists have identified a new targetto stop drug resistance in cancer cells. The researchers believe the findingwill help scientists develop new compounds to pr...Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
... the base of the brain,is essential for the body's resistance to bacteria. But the possibilitythat the pituitary gland may actually receive the message of illness anddirectly issue response orders, offers a new window for research, Kelleysaid. The mission now, he added, is to determine what the receptors actual...Discovery Could Help Understand Breast-Cancer Therapies
...sistant human cells in an attemptto understand how resistance develops. "Understanding these pathways should provide insight that should helpin drug development for therapies that are more tissue selective,"she said. "These studies are of enormous importance for the effective,long-term treatment of breast canc...Gene Discovery Could Overcome Aluminum Barrier To Higher Wheat Yields Worldwide
...world find rice plants that have genes for greater resistance to zinc deficiency. Sulfides formed in rice paddies make zinc unavailable, which costs farmers million of dollars in lost yields annually. [Contact : Rufus Chaney, <a href="http://hydrolab.arsusda.gov/ecl/Welcome.html">Environmental Chemistr...Disease Resistance Mechanism Identified in Plants
A molecular mechanism for plant disease resistance has been identified for the first time by research...rchers confirmed a decades-old notion that disease resistance in plants is triggered by the interaction of proteins produced by both a resistance gene in the plan...Mechanism For Disease Resistance Identified In Plants
A molecular mechanism for plant disease resistance has been identified for the first time by research...rchers confirmed a decades-old notion that disease resistance in plants is triggered by the interaction of proteins produced by both a resistance gene in the plan...Researchers Find How Disease-resistant Plants Recognize Bacteria
...anisms. "By understanding the mechanism of disease resistance in plants, we hope to improve the stability of the...s, but the disease-causing microbe evolves and the resistance breaks down. By learning how the plants and microbes recognize one another, we hope to create crop p......ng research developments on topics such as genetic resistance to HIV, advances in cancer therapies, new cosmic distance measurements, and the impact of unemployment on segregated neighborhoods. The Association is the world's largest federation of scientists with more than 143,000 members and nearly...Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine
...the body fightcancer. Then they measured the rats' resistance to cancer cells. Doctors found that inserting into cells a gene to boost thecytokine interleukin-2 (IL2) along with the gamma-interferontreatment was a very effective combination, completely preventingtumors from forming in 8 of 11 rats. IL-2 st...Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine
...he body fight cancer. Then they measured the rats' resistance to cancer cells. Doctors found that inserting into cells a gene to boost the cytokine interleukin-2 (IL2) along with the gamma-interferon treatment was a very effective combination, completely preventing tumors from forming in 8 of 11 rats. IL-2 stim...New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...rn corn to produce hybridsthat share Tripsacum's resistance to the corn rootworm. That's theroot-eating juvenile -- or larval -- stage of an insect that costs cornfarmers $1 billion a year in crop losses and pesticide expenses. In preliminary experiments at Duke's Phytotron, a high-tech greenhousewhere she r...Natural Shelters on Leaves House Plant Bodyguards
...their research, comparing use of domatiato induced resistance as biological controls for spider mites in cotton.To jump-start the plant's defense mechanisms, they have previously inducedresistance in cotton plants experimentally with naturally occurring plantchemicals or by briefly introducing mites during the ...Two Parasitic Wasps Show Promise For Controlling Pest Flies
...al biological enemiesbecause of the flies' growing resistance to insecticides and increased concernsabout the health risk of pesticides....... and diseases, and in many cases, themechanisms of resistance in plants are unknown, said Roger N. Beachy, Ph.D., ofScripps Research Institute. Regulating these traits would be like trying toregulate the human immune system without knowledge of the genetic informationinvolved. Since all plants are resi...Resistance To Leptin Contributes To Obesity
...fully active. Ournew research directly shows that resistance to leptin can cause obesity,"explains senior autho...eeded in lean and NZO mice for weight loss, leptin resistance in the Aymice may result from a defect in the nerve pathway activated by leptin,"Friedman says. "In......particular diseases -- or themRNAs associated with resistance to specific drugs. In fact, an EGS already hasproved effective against hepatitis in animal experiments at Innovir LaboratoriesInc., which has an exclusive license from Yale to develop Professor Altman'spatented discoveries. Innovir is developing EG...Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...n-Salem. Howard and others studied insulin resistance as part of a broad-basedInsulin Resistance Atheros...search showed that amoderate difference in insulin resistance had as large an impact onatherosclerosis in whites and Hispanics as other major risk factors, such a...