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Tag: "eating" at biology news

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...holesterol, but the molecular chain of events from eating fats to the buildup of cholesterol and triglycerides in the blood were unknown. "What we have found is a missing link, a mechanism by which saturated fats and trans fats can do their dirty work," said Spiegelman, who carries out basic research on fa...

Termites feed through good vibrations

...says different termite species are known to prefer eating particular sizes of wood; certain drywood termites prefer small blocks, presumably to avoid competition. With Professor Joseph Lai and his students from the University of New South Wales at the Australian Defence Force Academy, Dr Evans investigated ...

Bacteria collection sheds light on urinary tract infections

... also commonly associated with illnesses caused by eating undercooked beef or drinking contaminated water. Without access to the large collection of bacteria strains from the Gastroenteric Disease Center, it would have been difficult for the researchers to carry out the research, according to DebRoy. The G...

Researchers reveal the infectious impact of salmon farms on wild salmon

...s greater than the fish can feed itself, literally eating the fish alive. Adult salmon can survive sea lice infection, but young salmon are much more vulnerable due to their small size. Under natural conditions, juvenile pinks and chum do not typically have to contend with sea lice because the adult salmon...

Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection

...ecies is still rare. "Fortunately, transmission by eating is very ineffective. There have been hundreds of thousands of bovine spongiform encephalopathy cases, for example, and lots of people exposed to tainted beef products, but very few cases of variant Creutzfeld-Jakob." He says there "must be protectiv...

Canadian youth 4th highest in international obesity study

...ng overweight decreased. "This does not mean that eating sweets in large quantities is recommended for young people," says Dr. Janssen, pointing out that the frequency of candy eating, rather than total amount consumed, was surveyed. While difficult to explain, the dietary results only underline the import...

First technology to remove prions that cause vCJD from blood launched

...ude of future cases. Variant CJD is transmitted by eating contaminated beef and may also be transmitted by a contaminated blood transfusion. Dr. Adrianno Aguzzi of the Institute of Neuropathology, University Hospital of Zurich, and one of the pre-eminent prion biologists in the world says, "There have been...

Red delicious, Northern Spy apples have most antioxidants, chemists find

...ally produce more health benefits,?Tsao said. “But eating any apple is better than eating no apple at all.?/p> Elsewhere, three recent studies by researchers at Cornell University in New...

Python a 'hearty' eater

...e March 3 issue of the journal Nature, the snake's eating habits make it a prime model of cardiovascular fitness. The heart has the amazing ability to adapt to altered physiological requirements, and, according to the authors, this cold-blooded snake may provide insights into how remodeling of the heart occ...

Six million Africans face famine because of locusts, drought

...farmers have started selling livestock cheaply and eating the seed corn they should plant during next month's expected rains, the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) said today. "The combined effect of drought and locust attack, particularly in the more northerly distr...

Nature provides inspiration for important new adhesive

...rpose, Li had another inspiration at lunch - while eating tofu. "Soy beans, from which tofu are made, are a crop that's abundantly produced in the U.S. and has a very high content of protein," Li said. Soy protein is inexpensive and renewable, but it lacks the unique amino acid with phenolic hydroxyl group...

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

... This is the human disease thought to be caused by eating food contaminated with prions that is 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 difficul...

Active Vaccine Prevents Mice From Developing Prion Disease

...curs spontaneously, and only rarely as a result of eating contaminated meat. "The potential use for a prion vaccine in humans is still theoretical," says Dr. Wisniewski. "But if, for example, there is ever a more significant outbreak of chronic wasting disease and if this disease were found to be transmiss...

Shark attack worries? Driving to the beach is more deadly

... about 90 worldwide - from an allergic reaction to eating peanuts. Despite several attacks in Florida recently - one that killed a 14-year-old girl - shark attacks remain very rare when you put it all into perspective, McEachran believes. "There are millions of people in the water at any given moment of t...

New HIV drug candidate developed in Sweden

... about 90 worldwide - from an allergic reaction to eating peanuts. Despite several attacks in Florida recently - one that killed a 14-year-old girl - shark attacks remain very rare when you put it all into perspective, McEachran believes. "There are millions of people in the water at any given moment of t...

Leprosy genome tells story of human migrations, French researchers report in Science

...dillos (which might have acquired the bacterium by eating infected human cadavers), and it can also grow in the footpads of mice. Cole and his international research team compared the genomes of seven strains of M. leprae taken from patients around the world and then grown in armadillos until the samples w...

Agilent Technologies introduces advanced zebrafish, mouse microarrays for stem cell and developmental biology research

... about 90 worldwide - from an allergic reaction to eating peanuts. Despite several attacks in Florida recently - one that killed a 14-year-old girl - shark attacks remain very rare when you put it all into perspective, McEachran believes. "There are millions of people in the water at any given moment of t...

Excess liver gene protects against high-fat diet

... fat in the liver can modulate the consequences of eating a high-fat, Western diet, new research published in the May issue of Cell Metabolism reveals. Mice with an excess of liver X receptor (LXRa), when fed a diet high in fat, remained free from the high cholesterol and blood vessel plaques exhibited by ...

Bacteria feed on smelly breath (and feet)

...of methylated sulphides and strains of these odour eating bacteria, including Brevibacterium and Methylobacterium, which are also part of the normal foot microbial flora. The results of this study will assist future investigation into the detection of the levels of methylotrophic bacteria and their possibl...

Bees, Brains and Addiction

...tion to this region of the brain that it can forgo eating and ultimately starve to death. The neurobiology and evolutionary basis of the brain circuitry that processes information about rewards is the focus of study by Terrence Sejnowski, a professor of biology at both the Salk Institute and UCSD. He told ...

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