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Tag: "increase" at biology news

Tibetan antelope slowly recovering, WCS says

...r chiru, more than expected. This may indicate an increase in some places for this endangered species, accord...hybridization with domestic yak. The group saw an increase in wild asses, too, though they are persecuted by nomads who believe they compete with livestock for...

Super-fermenting fungus genome sequenced

...Wisconsin. “We are now engineering these genes to increase ethanol production.?Jeffries said that yeast strains like Pichia have evolved to cope with the oxygen-limited environment rich in partially digested wood that is encountered in the gut of insects, from where the sequenced strain was originally isolat...

Stanford-led study closes in on genes that may predispose some people to severe depression

...fy specific genes where there are variations that increase the risk of severe depression, including closer study of the suspicious area of chromosome 15. ...

Biodiesel study targets cleaner air, cleaner engines

...il fuels, provide great environmental benefits and increase market opportunities for Canadian oilseed producer...research results ?expected in early May ?will help increase demand for biodiesel, which in turn will increase market opportunities for recycled materials and oi...

New success in engineering plant oils

... could decrease the likelihood of desaturation and increase the level of saturated fats in the plant seeds. ...A-interference (RNAi) to see if they could further increase the level of saturation in plant seed oils. The Brookhaven scientists performed their experiments...

BMI not accurate indicator of body fat

...aid. "Is there something unique about BMI that may increase a person's risk of chronic disease, unrelated to fatness? Are people with high BMIs but low fatness as much at risk of heart disease as other people? The answer is no one knows." In their research, Ode and Pivarnik used carefully measured height a...

Transfusion expert urges wider use of filtered blood

...several cost-benefit analyses show that an upfront increase of $25 to $35 for each unit of filtered blood is offset by savings from less use of antibiotics, reduced patient time in the ICU, and shorter lengths of hospital stays overall. One study, in fact, estimated that the savings in treating heart surgery ...

Helium helps patients breathe easier

...th chronic obstructive pulmonary disease (COPD) to increase their exercise capacity by an average of 245 per cent. COPD is a disease of the lungs caused by smoking and includes the conditions of emphysema and chronic bronchitis. This was the first study to demonstrate that helium-hyperoxia (40 per cent ox...

Aspirin discovery may improve cancer treatments

...e research showed that salicylates caused an early increase in the phosphorylation of eIF2Ą in normal mouse cells, but not in cells deficient in PERK. Aspirin was shown to activate PERK. Moreover, although aspirin inhibited protein synthesis in normal cells, this did not occur significantly in cells deficien...

Mutation improves memory, may lead to memory-enhancing pill

...t had the opposite effect—leading ultimately to an increase in the memory-blocker's concentration—showed signs...ent. "There are very few examples where you can increase memory, especially by deleting genes," said study author Nahum Sonenberg of McGill University in Mon...

Action video games sharpen vision 20 percent

..."After just 30 hours, players showed a substantial increase in the spatial resolution of their vision, meaning...as amblyopic patients, may also be able to gain an increase in their visual acuity with special rehabilitation software that reproduces an action game's need to...

Researchers identify gene involved in dog size

... is genetically programmed in humans. We also will increase our data set of genes likely to play a role in diseases such as cancer, in which regulation of cell growth has been lost,?said Ostrander, noting that the role of the IGF-1 gene family in prostate cancer susceptibility has already been well establishe...

Major gene study uncovers secrets of leukemia

...t could help us continue our successful efforts to increase the survival rate of ALL." One potential strategy for eliminating leukemic cells would take advantage of the discovery that mutations in the B-cell differentiation pathway are predicted to prevent progenitors from changing into normally functioni...

Researchers learn what sparks plant growth

...s knowledge will ultimately lead to our ability to increase yield, while decreasing the need for fertilizer and pesticides."...

Human's ecological footprint in 2015 and Amazonia revealed

...ombined with population growth, will substantially increase the human footprint on the planet. Researchers ...st. According to the study, the greatest absolute increase will occur with China and India, where both population and economic growth, represent 37 percent of ...

Power-boosting signal in muscle declines with age

...rats infused with a stimulatory chemical showed an increase in muscular AMPK activity not seen in old rats, th...s fed the AMPK-stimulating chemical also showed an increase in AMPK and a 38% increase in mitochondrial density, they reported. In contrast, older animals' AMPK...

Tropical forests -- Earth's air conditioner

...lt, the main climate effect of these forests is to increase the absorption of sunlight, which can overwhelm the cooling effect of carbon storage. However, Caldeira believes it would be counterproductive to cut down forests in snowy areas, even if it could help to combat global warming. "A primary reason we...

Female chimps keep the bullies at bay

... forced copulation, harassment and intimidation to increase their reproductive success. The opportunity for males to coerce females is reduced when females avoid synchronizing their estrous cycles, because with fewer females in estrous at the same time, mating competition between males intensifies. As a res...

New details on how the immune system recognizes influenza

...an swap gene segments between strains, which could increase the ability of an avian virus to be transmissible to humans. In addition, only a handful of the epitopes are known to be associated with protective immunity. Most of the influenza virus epitopes in the database are those recognized by a type of im...

It's OK for men with high blood pressure to have a drink or two, new study finds

...ower risk of heart disease. But, since alcohol can increase blood pressure, would the same be true for men who have high blood pressure? The new study, published in the January 2, 2007, issue of Annals of Internal Medicine, is based on data from the Health Professionals Follow-Up Study. It found that men w...

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