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Tracking down the cause of mad cow disease

This release is available in German . The cause of diseases such as BSE in cattle and CreutzfeldJakob disease in humans is a prion protein. This protein attaches to cell membranes by way of an anchor made of sugar and lipid components (a glycosylphosphatidylinositol, GPI) anchor. The ...

K-State professor's USDA research shows mad cow disease also caused by genetic mutation

MANHATTAN, KAN. -- New findings about the causes of mad cow disease show that sometimes it may be genetic. "We now know it's also in the genes of cattle," said Juergen A. Richt, Regents Distinguished Professor of Diagnostic Medicine and Pathobiology at Kansas State University's College of Veter...

Federal testing for mad cow disease a failure, law review editor says

The U.S. Agriculture Department's mad cow disease-testing program is wholly inadequate and the agency's refusal to let processors do their own testing further undercuts the safety of American beef, a University of Illinois scholar writes. Eating meat from cattle infected with bovine spongiform en...

Successful cell engineering may lead to mad cow prevention, say researchers

Researchers at Texas A&M University have successfully "knocked down" the expression of possible disease-causing genes in a cloned goat fetus, perhaps paving the way for breeding disease resistance in other animals, even those genes that might cause bovine spongiform encephalopathy (BSE), common...

Skimmed milk -- Straight from the cow

Herds of cows producing skimmed milk could soon be roaming our pastures, reports Cath O’Driscoll in Chemistry & Industry, the magazine of the SCI. Scientists in New Zealand have discovered that some cows have genes that give them a natural ability to produce skimmed milk and plan to use this ...

Study shows Chronix technology using serum DNA can identify early presence of disease

...ers were able to identify specific signature sequences in serum DNA before clinical symptoms appeared in animals experimentally infected with BSE (mad cow disease). "These new results add to the growing body of scientific data validating the value of serum DNA as an early indicator of disease, and al...

DNA blueprint for healthier and more efficient cows

...notate and analyse the genome of a female Hereford cow called L1 Dominette. The scientists discovered ... "One of the surprises in the analysis was that cow and human proteins have more in common than mouse ...species. One of the major findings was that the cow has significant rearrangements in many of its immu...

Bovine genome provides clues to possible new developments

... Center and published in two reports that appear today in the journal " Science ." The researchers used the complete sequence from a single Hereford cow and comparative genome sequences for six more breeds, looking for changes called single nucleotide polymorphisms SNPs markers that can help research...

Sequencing the cow's genetic code -- a new agricultural era dawns

...equence the bovine (cow) genome, a female Hereford cow named L1 Dominette. Sequencing the bovine genome i...d Evgeny Zdobnov at UNIGE, has determined that the cow genome is made up of at least 22'000 protein-codin...alled alternative splicing. "The sequencing of the cow genome allowed us to determine that this diversifi...

Magnetic nano-'shepherds' organize cells

...the University of Massachusetts, who developed a method for coating the magnetic nanoparticles with bovine serum albumin (BSA), a protein derived from cow blood. BSA is a stable protein used in many experiments because it is biochemically inert. In these experiments, the BSA shielded the cells from the t...

Turtles no longer turned into souvenirs

...hanks to a widespread government-led action launched in November 2008. The Dominican Republic has encouraged the trade of alternative products such as cow horn or bone to present an alternative to shops trading with these turtles. "We warmly congratulate the Government of the Dominican Republic on the...

Iron is involved in prion disease-associated neuronal demise

...her neurodegenerative conditions, prion disorders are sporadic, inherited, and infectious, and affect both humans and animals; common examples are mad cow disease in cattle, scrapie in sheep, and Creutzfeldt-Jakob disease in humans. The causative agent is a misfolded protein referred to as PrP-scrapie th...

Texas-sized tract of single-celled clones

... HOUSTON -- (March 11, 2009) -- A Rice University study of microbes from a Houston-area cow pasture has confirmed once again that everything is bigger in Texas, even the single-celled stuff. The tests revealed the first-ever report of a large...

Antibody key to treating variant CJD, scientists find

...d through the consumption of cattle products contaminated with Bovine Spongiform Encephalopathy (BSE) a brain disorder in cows, commonly known as Mad cow Disease. Prion diseases can develop when a naturally occurring brain prion protein called, PrP, comes into contact with infectious prions. This co...

Common soil mineral degrades the nearly indestructible prion

...d pathogens that lack both DNA and RNA, prions are believed to cause such fatal brain ailments as chronic wasting disease (CWD) in deer and moose, mad cow disease in cattle, scrapie in sheep and Creutzfeldt-Jakob disease in humans. In addition to being perhaps the weirdest infectious agent know to scienc...

Superglue from the sea

...nt to get those pieces aligned as well as possible." In lab tests using cow bone pieces from groceries, the synthetic sea-worm glue a first-generation... To test the strength of the synthetic glue, Stewart cut cow leg bones from grocery stores in cubes measuring 0.4 inches on a side, sand...

MSU technology that converts plant fibers to biofuel commercialized

...hnology that uses enzymes from a microbe in a cow's stomach to create plants that can be more efficiently turned into biofuel. Enzymes that allow a cow to digest grasses and other plant fibers can be used to turn fiber from other plants into simple sugars. Mariam Sticklen, MSU professor of crop and so...

Drinking water in Gaza Strip contaminated with high levels of nitrate

...tants of this area between the Mediterranean, Egypt and Israel are reliant on being self-sufficient. The fields are mostly fertilized with chicken and cow dung. Artificial fertilizers account for only around a quarter of the fertilizer used. Because of the area's geology and the semi-arid climate, it is ...

American Chemical Society's Weekly PressPac -- Aug. 6, 2008

... Test to protect food chain from human form of Mad cow Disease Journal of Agricultural and Food Chemist...g against possible spread of the human form of Mad cow Disease. The study is scheduled for the August 13 ...ne spongiform encephalopathy," better known as Mad cow Disease. "No currently available method enables th...

UNH receives $380,000 grant to study organic dairy as closed ecosystem

...he grant. "The goal is to see whether we can have a closed-nutrient-cycle and energy-independent organic dairy." In a closed system, for instance, cow manure fertilizes the fields on which the herd grazes. Sawdust from woodlands on UNH's 300-acre farm in Lee might be utilized for animal bedding, whic...

Prions show their good side

... Prions, the infamous agents behind mad cow disease and its human variation, Creutzfeldt-Jakob Disease, also have a hel...in the May 5th issue of the Journal of Cell Biology. Diseases such as mad cow result when the prion protein adopts an abnormal conformation. This infecti...

Unmanned aircraft to study Southern California smog and its consequences

...d soot and other forms of black carbon. These aerosols are primarily the products of diesel combustion, agricultural biomass burning, use of wood- and cow dung-burning stoves in rural homes and the use of coal in home heating. Ramanathan and his team linked the brown cloud to an observed acceleration ...

American Chemical Society's Weekly PressPac -- April 30, 2008

... insulin-producing cells of the pancreas and trigger diabetes, she says. MTS ARTICLE #2 FOR IMMEDIATE RELEASE Relation of Time of Introduction of cow Milk Protein to an Infant and Risk of Type-1 Diabetes Mellitus DOWNLOAD FULL TEXT ARTICLE http://dx.doi.org/10.1021/pr800041d CONTACT: Marc...

New computer applications allow to classify Iberian pig meat automatically

...ve addressed the histological quantification by artificial vision of 6 animal species : White pig of the Large White hybrid breed, Iberian pig, lamb, cow of the Galician Blonde breed, Kobe ox and pigeon. The designed application permitted to quantify automatically the intramuscular connective tissue and...

Deadly dose: Rensselaer heparin expert helps uncover source of lethal contamination

...ogical heparin is currently developed by purifying the scrapings of pig and cow intestines. "This contamination is unfortunately a sign that the way we ...on animals, we open ourselves up for spreading prions and diseases like mad cow disease through these animals. And because most of the raw material is impo...

Cow stomach holds key to turning corn into biofuel

...ording to Michigan State University scientists. The enzyme that allows a cow to digest grasses and other plant fibers can be used to turn other plant fi... The fact that we can take a gene that makes an enzyme in the stomach of a cow and put it into a plant cell means that we can convert what was junk before...

'Wildcat Power Cord' repairs cruciate ligament in dairy cow's knee

... MANHATTAN, KAN. -- An 8-year-old Jersey dairy cow is back at her Kansas farm thanks to a decade of r...d," he said. "If they could perfect this so that a cow could be kept in production, that would be worth q...ents and technicians. The next day, the Jersey cow was led across the hospital's video synchronizatio...

Black carbon pollution emerges as major player in global warming

...ower altitudes. Between 25 and 35 percent of black carbon in the global atmosphere comes from China and India, emitted from the burning of wood and cow dung in household cooking and through the use of coal to heat homes. Countries in Europe and elsewhere that rely heavily on diesel fuel for transporta...

Dinosaur from Sahara ate like a 'mesozoic cow'

... skull armed with hundreds of needle-shaped teeth, said Sereno. Barely able to lift its head above its back, Nigersaurus operated more like a Mesozoic cow than a reptilian giraffe, mowing down mouthfuls of greenery that consisted largely of ferns and horsetails. Details of the dinosaurs anatomy and li...

NIH recognizes Clemson nanotechnology for molecule tracking

...damage to healthy tissue. Other possible targets of investigation include plaques and fibrils in the brain associated with Alzheimer's disease and mad cow disease. For the last decade, scientists around the globe have worked to develop and refine highly fluorescent nanoparticles that light up when bat...

Scientists unveil structure of molecular target of many drugs

...in detailed images of GPCR proteins. Theyve succeeded only once before, in 2000, when a research group determined the structure of a visual pigment in cow eyes. Part of the job was easier then, because the pigment protein is abundant. One of the major challenges in the new study was getting enough of the...

Heaps of climate gas

... The cow as a killer of the climate: This inglorious role of our four-legged friends, peaceful in itself, is well-enough recognised, because, with their digest...

NIH awards researcher $1.5 million 'new innovator' grant for fruit-fly studies of prion proteins

...ive one of the awards, won his grant with an original proposal to study prion diseases a group of deadly, brain-destroying disorders that include mad cow disease and its human version, Creutzfeldt-Jakob disease using genetically modified fruit flies and laboratory mice. I was totally surprised when ...

Clemson scientists shed light on molecules in living cells

...ill says other possible targets of investigation include the formation of plaques and fibrils in the brain associated with Alzheimer's disease and mad cow disease. Graduate students Changfeng Wu, Craig Szymanski, Jennifer Grimland and Yueli Zheng contributed to the study, which the National Science Found...

Thermochemical process converts poultry litter into bio-oil

...as land application and feeding to cattle, are under pressure because of pollution of water resources due to leaching and runoff and concern about mad cow disease contamination in the food chain. There are also concerns that poultry litter can harbor such diseases as avian influenza. While avian influenz...

Cellular message movement captured on video

...ogenic potential of the sexually transmitted virus. Chien and Hu obtained cells for their most recent study from the inner membranous lining of a cow aorta. They added genetically engineered proteins tagged with red and green fluorescence markers to the bovine aortic endothelial cells, grew them in ...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...tissue and eggs, or oocytes, as well as human-like cow ovarian tissue and eggs. They start with repr...n. They also are retrieving and maturing eggs from cow ovaries donated by a local slaughterhouse. Bull sperm will be used to test the viability of cow eggs afterward but human eggs will not be fertiliz...

Vaccine prevents prion disease in mice

...ral vaccine can prevent mice from developing a brain disease similar to mad cow disease, according to research that will be presented at the American Acade...n Boston, April 28 ?May 5, 2007. Prion diseases, which include scrapie, mad cow disease, and chronic wasting disease, are fatal and there is no treatment o...

Scientists identify prion's infectious secret

...have known for decades that certain neurodegenerative diseases, such as mad cow disease or its human equivalent, Cruetzfeldt-Jakob disease, result from a k...stigate this process in mammalian prions, such as those responsible for mad cow and Cruetzfeldt-Jakob diseases, as well as in other non-prion proteins that...

Mimicking how the brain recognizes street scenes

...er model has two paradoxical goals. It needs to create a representation for a particular object that is very specific, such as a horse as opposed to a cow or a unicorn. At the same time the representation must be sufficiently "invariant" so as to discard meaningless changes in pose, illumination, size, p...
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