Tag: "researchers" at biology news
Mechanism For Disease Resistance Identified In Plants
...sistance has been identified for the first time by researchers
funded by the National Science Foundation (NSF). ...cterial speck disease" in tomatoes as a model, the researchers
confirmed a decades-old notion that disease resistance in plants is triggered by the interaction of ...
Researchers Find How Disease-resistant Plants Recognize Bacteria
...of the recognition mechanism, which was written by researchers
from the laboratory of Brian Staskawicz, professor...ece to the puzzle came from medical science, where researchers
found in the early 1990s that a bacterium, Yersinia pseudotuberculosis , infects cells not by invad...
New Finding Suggests "HATs" Are Key To Gene Activation Puzzle
...fRochester and National Institutes of Health (NIH) researchers
appear in the December 27 issue of Cell . "I...how theenzyme modifieshistones. The Rochester researchers
were joined by Xiang-Jiao Yang, Tetsuro Kokubo, and Yoshihiro Nakatani at the NIH.Researchers at Cam...
Prostate Cancer May Be Predicted 10 Years Before Diagnosis
...han current prediction methods. This discovery by researchers
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 w...
A Sensor, A Switch, A Zipper: Protein Engineers Design Potential Tool
... selective binding site such that when the researchers
added a small molecule, benzene, the two helices intertwined with a third to create a triple-helical coiled coil. This structural change could enable the protein to indicate the presence of benzene, which is a carcin...
ORNL Mice Helping Researchers Isolate, Identify Causes Of Cancer
...e a reputation for beingquiet, but they're telling researchers
at the Department of Energy's (DOE)Oak Ridge Natio...said. Molecular probesfor the retroviruses provide researchers
with "tags" to identify genes thatcause cancer. By studying the normal role of these genes that ulti...
New Nonviral Gene Therapy System Could Help Fight Cancer
...could be used to expressany gene, Wagner and other researchers
are particularly interestedin its cancer-fighting abilities. Cancer cells divide rapidly, and current gene therapytechniques can be used to inject genes into these cells. But not allcancer cells within a tumor divide at the same time. Current ca...
Selenium Supplements Can Reduce Cancer Rates
...e of Medicine, Arizona Cancer Center. In 1983, the researchers
recruited 1,312 randomized patients with histories... easy to diagnose and can be quickly treated. The researchers
set out to determine whether they could reduce the average recurrence rate with selenium supplements...
Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...rally clear lakes, Universityof California, Davis, researchers
have made a bottom-line discovery. Tinkering with...utrients upon the quantity of algae. The UC Davis researchers
looked at data reported in eight papers from 11experiments testing the impact of adding fish versus ...
Bigger Biology Tackled Through Keyboards
...the Jan. 17 issue of theweekly journal Science by researchers
from the University of California, Davis, and othe...omising advances in computational techniques allow researchers
to beginto account for the fact that neighboring individuals might behave differentlytoward each oth...
ORNL Finds Common Genetic Cause For Epilepsy, Migraine
.... -- Migraine and epilepsy have more in commonthan researchers
thought, says Lisa Stubbs, a genetics researcher a...so prove veryvaluable for testing drugs." Now that researchers
have identified the likely cause for migraine andepilepsy, the focus turns to how the mutation affec...
The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
...nds when exposed to chemical stains. This allowed researchers
to identify and sort out human chromosomes under the microscope not only by their size but also by their characteristic staining patterns. As staining techniques evolved, scientists used them to link chromosome changes to disease: Missing bands in...
Laser Microscope At Cornell Images Serotonin In Live Cells
...itters. The technology could be useful, then, for researchers
in designing more effective drugs for a host of di...zed on a computer monitor. For these studies, the researchers
used basal leukemia cells from rats. "This three-photon excitation produces very high energy corresp...
Researchers Corral Millions Of Microscopic Membranes
...cation techniques from electrical engineering, the researchers
have created a specially prepared surface that hol...s because it is ideally suited for automation. The researchers
believe this is the first time that microfabrication techniques have been applied to an entire biolo...
Penn State Wetlands Project Seeks Scientific Evaluation Criteria
...ding natural wetlands used as reference sites for researchers
and mitigation projects. A series of assessment techniques to help professionals evaluate restored or created wetlands have been developed during the study. "A wetland is an elusive thing to categorize," Brooks says. "The best way to describe o...
Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
...eday be practical. At Georgia Tech, for instance, researchers
have been working tointegrate multiple functions into single chips. Progress to date hasdemonstrated integrated image acquisition, processing and datacompression, including demonstration of optical-through- waferinterconnects. Drs. JoyLaskar , Na...
Scientists Determine 3-D Crystal Structure Of Cancer-Causing Protein
...re , Kuriyan, Sicheri andMoarefi collaborated with researchers
Michelle LaFevre-Bernt, B.S., and W. ToddMiller, Ph.D., from the State University of New York at Stony Brook to studythe interaction of Hck with an HIV-1 protein called Nef. The results of thisstudied confirmed the finding that SH3 plays an important...
Plants Need Vitamin C, Too
ITHACA, N.Y. -- By looking into the plant world, researchers
are expanding human appreciation of ascorbic acid ...or that people get it from the foods they eat, but researchers
at Boyce Thompson Institute for Plant Research Inc. at Cornell University have new information to ex...
Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...child is treated for strep throat, she said. The researchers
described their trait marker, D8/17, in the January issue ofthe American Journal of Psychiatry. Their study involves testing for thepresence of D8/17 in 27 young people with OCD and tics associated with strep,nine children with Sydenham's chorea, w...
Ten Years of Progress For Superfund Basic Research Program
A team of University of Cincinnati researchers
thatspans three colleges and five departments will report theirprogress in addressing some of the nation's most troublingpollution problems during a <AHREF="http://www.niehs.nih.gov/sbrp/97conf/">specialconference Feb. 24-26 inChapel Hill, N...
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