Tag: "genetically" at biology news
A healthy internal clock keeps weight off
...group of mice whose internal biological clocks are genetically
disrupted. Researchers at Northwestern University ...group of mice whose internal biological clocks are genetically
disrupted. Researchers at Northwestern University and the Howard Hughes Medical Institute have ident...
Alzheimer's cognitive decline slowed
...e suggested that Alzheimer's disease patients with genetically
modified tissue inserted directly into their brain...UCSD's John M. and Sally B. Thornton Hospital, the genetically
modified tissue was implanted deep within the brains of the eight patients who had volunteered for t...
DNA solves mystery of Gibraltar's macaques
...e population was founded with individuals from two genetically
distinct populations in Algeria and Morocco." Key ...eal that the Algerian and Moroccan populations are genetically
very distinct and that there are major genetic differences even within Algeria," Modolo said. "Mixin...
Molecular models advance the fight against malaria
...hout risking human infection. When the researchers genetically
transferred mutations into the yeast surrogates, the yeast acquired resistance to atovaquone just as the malaria parasites had done. The team was then able to apply computerized modeling techniques to illustrate exactly how the drug interacted with t...
Researchers identify protein crucial for survival of Lyme-disease bacterium
... the site of infection. In the study, researchers genetically
altered the Bb bacterium to make a "knockout" form that lacked a gene that codes for the protein BptA. Without the protein, bacteria were unable to utilize the blood on which the tick feeds when it bites a victim. "As far as we can tell, Bb bacteri...
National Academies news: Stem cell guidelines released
... also should state that cells might be manipulated genetically
or transplanted into animals for preclinical testing. Donors also need to be told that although research involving their stem cells may have commercial potential, donors will not share in any financial benefit. Research on existing anonymous or code...
Genetically modified rice in China benefits farmers' health, study finds
New Brunswick, NJ--Farmers growing genetically
modified rice in field trials in China report high...health of farmers." China began doing research on genetically
modified agricultural crops in the 1980s. Although it has aggressively commercialized "Bt cotton," ...
VIB top scientist receives major research grant & VIB presents 2004 results
...estinal diseases, including Crohn's disease. Using genetically
modified bacteria, the scientists introduced therapeutically active proteins into patients' intestines, where they could operate in a targeted manner. This promising research is now being clinically tested. In addition to its relevance to health care...
Researchers feed tiny pills of RNA to planarians to identify genes essential for regeneration
...ne researchers have established the planarian as a genetically
sound model for human biology, to take its place alongside Drosophila (fruit flies), C.elegans (another worm), zebrafish, and mice. The study, to be published in the May issue of Developmental Cell, employed the first large-scale use of RNA interfer...
New insight into Huntington's disease pathology
...f Medicine at UCLA, have found. Their studies with genetically
altered mice have revealed evidence for a new effe...nson's diseases. In their studies, the researchers genetically
engineered mice in which they could selectively trigger production of the mutant, toxic HD protein e...
Researcher gets NSF grant to create mutant maize lines
...e range of interests and goals will have access to genetically
unique seeds. For instance, researchers could use these lines to identify genes that make starch that is easier for enzymes to digest. Since ethanol is produced from maize starch, such a refinement could lead to cheaper ethanol. In terms of nutrition...
Story tips from the Department of Energy's Oak Ridge National Laboratory, May 2005
...ir up, or hybridize, with target microorganisms of genetically
identical species in natural microbial communities...ical for detecting unknown microorganisms that are genetically
related to bacteria known to be useful for remediation of contaminated ecosystems. The research team...
Mosaic mouse technique offers a powerful new tool to study diseases and genetics
...g a "genetic mosaic mouse"--a rodent whose body is genetically
engineered to produce small clusters of cells with...overy makes us feel that cerebellum wiring is more genetically
determined than previously thought." Powerful approach In a companion article published in the sam...
Microbes yield secrets of survival
...rchers are finding, exhibit very similar behavior genetically
evolving, specializing and cooperating in ways that allow them to adapt to extreme conditions of temperature, acidity, toxicity and pressure. In the first comprehensive study of gene expression in a microbial community from an "extreme" natural envir...
Animal study: Compounds in cranberries may have heart-healthy effects
...s to relax and open blood vessels in pigs that are genetically
susceptible to developing atherosclerosis, or clog... they fed cranberry juice powder to pigs that were genetically
predisposed to develop high cholesterol and atherosclerosis, just as some humans are. "When these pi...
...rticles such as iron), effectively identifying the genetically
modified cells. This method grew out of a joint vision that originated 10 years ago in collaboration with the late Dr. Yoav Citri. Ferritin's advantage is that it is visible in MRI without the need for an additional contrast material. This techniqu...
PNAS highlights for the week of May 16 - 20
...esistance Researchers report the development of a genetically
engineered crop providing long-term resistance against many insect species. The Bt gene, which has already been incorporated into potatoes, cotton, and corn, enables a plant to produce an insecticide. But researchers fear that heavy use of commercial...
Columbia University researchers create mouse model that develops a human-like lymphoma
...cal center. Dr. Dalla-Favera and his research team genetically
engineered mice to produce a mutant BCL6 gene, showing the specific role of this gene in its pathogenesis and displaying most of the critical features of the corresponding human tumor. These findings expand on Dr. Dalla-Favera's identification of th...
Mother birds increase progesterone to hatch females
...cell division that divides the sex chromosomes and genetically
determines the sex of an offspring -- produces significantly more females. "For years, behavioral biologists have been trying to figure out how the females of a few species, such as the Seychelles warbler, the zebra finch and tree swallow, adaptivel...
Sugar beet virus mutation requires Texas touch
...nger needed. "We're trying to find out why this genetically
mutated pathogen is ableto overcome the resistance in the plant," he said. "We're looking at newcrosses by seed companies and challenging them with each of these twoviruses, as well as a combination of the two." By measuring the effect of the dise...
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