Researchers Find How Disease-resistant Plants Recognize Bacteria
...associate professor of agronomy at Purdue, and his colleagues found that an enzyme called Pto kinase, a protein ...ne-for-gene disease resistance. But Martin and his colleagues at Purdue struggled to understand the molecular mechanism of disease resistance. One puzzle was why ...New Finding Suggests "HATs" Are Key To Gene Activation Puzzle
...unique assay developed at Rochester, Allis and his colleagues have located a new HAT that is part of atranscription complex, the group of proteins that binds to DNA and starts the process of transcribing DNA into RNA, themolecule that serves as a template for protein production. This is the first HAT discovered...Prostate Cancer May Be Predicted 10 Years Before Diagnosis
...chers at the National Institute on Aging (NIA) and colleagues at the Johns Hopkins University School of Medicine is published in the December, 1996, journal, Urology. PSA, an enzyme produced by the prostate gland, is found in high concentration in semen where it acts to liquefy the seminal fluid after ejaculat...ORNL Mice Helping Researchers Isolate, Identify Causes Of Cancer
...o learn thecause of the human disease. Justice and colleagues identified the diseasegene in mice and used the mouse gene to identify the human gene. Thisinformation has led to the discovery of the cause of clinical symptoms inhumans. Because of the genetic similarity between mice and humans, researchers hopeto ...Selenium Supplements Can Reduce Cancer Rates
...lorectal cancer. And in other studies at Cornell, colleagues of Combs' reported in 1995 that animals fed diets high in selenium had 50 percent fewer tumors than those fed diets of average selenium content. Combs is not recommending the use of oral supplements of selenium; however, he does emphasize the importa...Bog Beetle, Misidentified For 85 Years, Is 'Discovered' At Cornell
...s from North America, Europe and Asia, assisted by colleagues Smithsonian Institute in Washington and the Natural History Museum in Paris, the entomologists determined that this species, which can be found in many institutional insect collections throughout the Northeast, had never been given proper scientific ...ORNL Finds Common Genetic Cause For Epilepsy, Migraine
...) Oak Ridge National Laboratory (ORNL). Stubbs and colleagues at ORNL recently completed a study in which theyisolated, mapped and studied effects of the chromosome 8 Cacnl1a4 gene foundin mutant "tottering" mice, which have been studied extensively as modelsfor human epilepsy. The specific region of the mouse ...Researchers Corral Millions Of Microscopic Membranes
... if they were real. This enabled McConnell and his colleagues to perform key research regarding the nature of the interactions between cells. Groves began working with supported bilayers in 1994. His first discovery was that scoring supported membranes with a pair of tweezers caused them to separate permanently...... agency to work alongside the USGSpeople and their colleagues already in the field. We provided the data andthe science that were the basis for many immediate flood forecasts thathelped save lives and property; we provide maps that guided rescue andrebuilding efforts; and we continue to investigate the long-te...High Levels of Vitamin C Prove Toxic to HIV
... than normal cells. In addition, Dr. Golde and his colleagues were the first to prove, in 1993, that the same mo... This series of studies prompted Dr. Golde and his colleagues to ask whether HIV-infected cells also take in higher-than-normal levels of glucose and vitamin C. I......females by a little more than two days. Carey and colleagues conducted this nutrition-manipulation study to det...e span advantage of females over males. Carey and colleagues suspect that the early surge in deaths of femalesdeprived of protein occurred because the females we...New Study Shows Steps Leading To Colon Cancer
...he research published in Science involved Peifer's colleagues in the Netherlands as well as scientists at the Howard Hughes Medical Institute at Johns Hopkins University, Onyx Pharmaceuticals in Richmond, Calif., and the National Cancer Institute. He called it an example of how, when scientists collaborate and ...Prostate Cancer's Aggressiveness May Be Predicted Early By The Ratio Of Free To Total PSA
...chers at the National Institute on Aging (NIA) and colleagues at the Johns Hopkins University School of Medicine is published in the March, 1997, journal, Urology. "The ability to differentiate between an aggressive and non-aggressive form of prostate cancer when the disease is diagnosed early puts the physici...NIH Team Discovers Endocrine Tumor Gene
...scientists Drs. Stephen Marx and Allen Spiegel and colleagues have been treating and studying patients with MEN1...es for MEN1. Drs. Liotta and Emmert-Buck and colleagues of NCI's laboratory of pathology joined the collaboration to study tumors from MEN1 patients in orde...Project Shows Native Bacteria Can Destroy Widespread Pollutant In Groundwater
...toluene might lessen over time. So McCarty and his colleagues began looking for a site for a full-scale test. One of the biggest barriers they faced was the fact that they wanted to use toluene, which is itself a regulated compound. Unlike TCE, toluene is not carcinogenic, but drinking water standards specify a...Emory Researchers Advance Gene Therapy Studies For Metastatic Melanoma Treatment
...near future. Drs. Ansel and Armstrong and their colleagues in Emory's Melanoma and Pigmented Lesion Center are developing a new protocol using GM-CSF to treat patients with advanced melanoma in the very near future. "The most effective strategies for treating melanoma may well turn out to be those that com...Teens Shop "Healthy", But Trust Label Claims Too Much
...kage to the actual amount consumed. Achterberg and colleagues are currently working on an "easy rule of thumb" to simplify adapting the serving size on the package to actual use. The "easy rule of thumb" also should help shoppers to be more savvy about the front-of-the-label claims as well as to interpret...Children With AD/HD Have Significant Functional Disabilities Related to Attention Deficit
... by disruptive classroom demeanor. Lock and colleagues felt that if functional deficits of children with AD/HD could be documented outside of school, the results would support the hypothesis that the disorder is, in fact, a disability. To accomplish this, they used an assessment tool called the Wee-FIM...Duke researchers find existing drugs can stop fungus that attacks AIDS patients
...tof the division of infectious diseases; and their colleagues identifieda trait in the fungus Cryptococcus neoformans that allows it to infect people,and suggested a potential new drug target to stop the infection. The studies were funded by the Veterans Administration Research Centeron AIDS and HIV infe......longershipping and shelf life," said Rose. He and colleagues are currently testing this possibility in geneticallyengineered tomato plants. This work to date on the LeExp1 gene was supported by the Universityof California. New investigation of the action of the gene will be fundedby a UC Biotechnology-STAR g...