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Tag: "cow" at biology news

Bacteria collection sheds light on urinary tract infections

...TI causing bacteria and found that a sample from a cow matched well with the E.coli found in humans. The team also found that the E.coli causing the infections is resistant to antibiotics. The possibility that these multidrug-resistant bacteria could have an animal origin has major public health implicat...

Strongest proof yet found for prion hypothesis

...e yet that infectious misformed proteins cause mad cow disease and other mysterious brain disorders Rese...afflict both human beings and animals, include mad cow disease, new-variant Creutzfeldt-Jakob Syndrome, scrapie, kuru and chronic wasting disease. This co...

Research into how prions act in the brain could hold the key to defeating diseases

...s also responsible for the epidemic of BSE or 'mad cow disease' in cattle. Research has already found that the highly-infectious prions are misfolded proteins that spread rapidly in the brain and are very difficult to destroy. It is not known what causes the proteins to develop in this abnormal way and ...

Active Vaccine Prevents Mice From Developing Prion Disease

... of a brain disease in mice that is similar to mad cow disease. The new findings, published online this w...e for these diseases -- which include scrapie, mad cow disease, and chronic wasting disease -- is on the horizon, many research groups in both the United S...

It's electric: Cows show promise as powerplants

...icroorganisms found in the fluid are also found in cow dung, which may prove to be a good source for gene...act, in a related experiment, the researchers used cow manure directly to create energy for a fuel cell. Using cow dung as an energy source isn't a new id...

Beyond genes: Lipid helps cell wall protein fold into proper shape

...h as cystic fibrosis, Alzheimer's disease, and mad cow disease. The paper in today's Journal of Biologic.... "In cystic fibrosis, Alzheimer's disease and mad cow disease, the dysfunctional proteins are associated with membranes," Dowhan said. Membrane proteins ...

Unweaving amyloid fibers to solve prion puzzles

...Creutzfeldt-Jacob disease--the human analog of mad cow disease. But even though amyloids are common and implicated in a host of conditions, researchers haven't been able to identify their precise molecular structures. Conventional techniques used to image proteins, such as X-ray crystallography and nucle...

Variant prion protein causes infection but no symptoms

...s such as Creutzfeldt-Jacob disease in people, mad cow disease in cattle and chronic wasting disease in deer and elk. Now, new research suggests that a variant form of abnormal prion protein--one lacking an "anchor" into the cell membrane--may be unable to signal cells to start the lethal disease process...

New results validating Pall prion reduction filter disclosed at ISBT Congress

...ease through infected blood. In the U.S., a second cow just tested positive for BSE. "Considering the lengthy, asymptomatic incubation period of vCJD in people, no one can accurately determine the magnitude of the next wave of an outbreak. Nor do we know how many people may be harboring the infectious p...

Prions rapidly 'remodel' good protein into bad, Brown study shows

...oteins that cause fatal brain ailments such as mad cow disease and scrapie in animals and, in rare cases, Creutzfeldt-Jacob disease and kuru in humans. Because similar protein self-replication occurs in neurodegenerative diseases, the findings, published in the latest issue of Nature, may also help expl...

Oldest dated evidence of cattle in southern Africa found

...ught to southern Africa and from where. A domestic cow bone, dated to about 2000 years ago was excavated ...f the Kalahari. The discovery of the 2000 year old cow and sheep bones are important because of the long held view that the Kalahari was a comparatively is...

Retinal scans eyed for New Mexico show cattle

... six-month period. To make the digital record, the cow is held in what's known as a squeeze chute and the scanner's eye-cup, specially molded for a cow's face, is held to each animal's eye. The scanner senses when the eye is open, automatically makes an image, and downloads the data to a computer databa...

Common practices at petting zoos put visitors at risk

...st strongly associated with illness were feeding a cow or goat, touching a goat and stepping in manure or having manure on your shoes. Not surprisingly, simple handwashing after visiting the petting zoo, including lathering with soap and washing hands before eating and after visiting the petting zoo, we...

Wisconsin scientists find a way to make human collagen in the lab

...youth. Catgut, the biodegradable sutures made from cow or horse intestines and used in surgery to minimize scarring, is also a form of collagen. But for such a commonplace and useful protein, collagen has defied the efforts of biomedical researchers who have tried mightily to synthesize it for use in ap...

Cracking the genetic code for control of gene expression

...uence for several species, for example mouse, dog, cow and chicken, in the recent years. But without a code or 'grammar' to reveal the message behind the sequence, the genomic DNA is merely a list of millions and millions of base pairs, A's, C's, G's and T's one after the other. Based on the universal c...

New test to detect rare proteins in blood

...tant molecules, such as the prion protein (for mad cow disease with Mansun Sy at Case Western University) and TNF-alpha (for autoimmune diseases), and will be developing tests for other cancer markers including lung cancer and colon cancer. All proteins tested so far with FACTT have been detected with an...

History of human cannibalism eats away at researchers

...cause fatal neurodegenerative diseases such as mad cow disease. These diseases are cumulatively known as transmissible spongiform encephalopathies (TSEs) and in humans, include CJD (Creutzfeldt-Jakob disease) and kuru. Kuru is confined to a human population in Papua-New Guinea and is transmitted by c...

A case of mistaken molecular identity

.... Through a series of tests, the team showed that cow rhodopsin, which is similar to the human protein, reacts with antibodies produced by Chagas patients. "We showed that the same antibodies that attack heart cells can also interfere with rhodopsin," Levin said. "This is important, because it enlarge...

Innocuous intestinal bacteria may be reservoir for resistance

...f non-pathogenic, commensal bacteria isolated from cow manure contain the same antibiotic-resistance genes as those found in multi-drug resistant Salmonella strains found on the same farm. In addition, isolation of antibiotic-resistant Salmonella appears to be associated with whether or not commensal ba...

Completed genome set to transform the cow

...ase this week of the most complete sequence of the cow genome ever assembled. Developed by an internati...ers with a more complete picture of the genes in a cow and how variations in the DNA code influence desirable production traits. "We can use this data t...

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