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Tag: "badly" at biology news

Vitamins: Science doesn't always match policy

... critical. Dose-response assessments of safety are badly needed for updating recommended safe and tolerable Upper Intake Levels," he says. Rosenberg also endorses a suggestion that multivitamins should be composed of clusters of vitamins and minerals that are presently supported by research to benefit ...

Trojan horse strategy defeats drug-resistant bacteria

...e a promising new way to treat infections. "We badly need new approaches to fight bacteria," said Singh. "The gallium strategy isn't ready for clinical use yet," he added. "However, we think this approach is promising, and we can't afford to leave any stone unturned."...

Wolves are suffering less from inbreeding than expected

...tes that inbreeding is not affecting the wolves as badly as expected. The results show that it is the most genetically variable wolf individuals that are recruited into the breeding population. An important consequence of this action of natural selection is that the negative effects of inbreeding are accum...

How does a zebrafish grow a new tail?

...rts, spinal cords, eyes or arms and legs have been badly hurt. Scientists have discovered some of the genes and cell-to-cell communication pathways that enable zebrafish to restore their tail fins. "The ability to regenerate body parts such as those that are damaged by injury or disease," said Dr. Ran...

Survivors of childhood polio do well decades later as they age

... in the normal population -- they're not doing too badly compared to their peers. This tells us that the cause for the decline in muscle strength in polio survivors may be aging alone." Polio is a contagious, viral illness that peaked in the United States in 1952, when 3,000 people died of the disease....

World Trade Center identifications pushed forensic DNA technology

...re commingled, that fire and water at the site had badly degraded many specimens, and that, as time progressed, the quality of DNA retrievable decreased dramatically. Until Septenber 2001, crime labs across the country generally used STRs ?short tandem repeats ?in forensics work. STRs are biological mark...

Discovery of new molecular tools for biosynthesis could lead to advances in use of pectin

...nd quantity of wall polysaccharides is crucial and badly needed. "The work [described in the UGA paper] represents a significant advance, as it is the first functional identification of an Arabidopsis pectin homogalacturonan galacturonosyltransferase [GAUT1] using biochemical and functional genomic approa...

The Amazon in 2050: Implementing the law could save a million square kilometers of rainforest

...ue forest ecosystems and entire watersheds will be badly degraded over the next 45 years if we don't rapidly increase our capacity to govern this dynamic region. By developing the first empirically-based, policy sensitive model of Amazon deforestation to assess forest losses within major watersheds, eco-r...

Tadpole soon to help in the fight against cancer and lymphedema

...ess Prox1 than normal tadpoles. This resulted in a badly developed lymphatic vessel system, because of which the tadpoles showed signs of lymphedema. It did not have any effect on the blood vessel system. With these results the VIB researchers are the first to prove that tadpoles are perfect model organis...

Why do aneurysms form? New studies suggest leading role for white blood cells

...onitoring of known AAAs, this kind of treatment is badly needed." Upchurch and his colleagues performed the research in the Conrad Jobst Vascular Research Laboratories, part of the Section of Vascular Surgery in the U-M Medical School. They were funded by the National Institutes of Health, the Lifeline Fo...

Nanoparticles carry cancer-killing drugs into tumor cells

... further tests that these cells react particularly badly to TRAIL. This proves that the missing receptor and not the missing signal can contribute significantly to tumor growth. Silenced Genes Further tests proved why there was such a small number of receptors. Prof. Krainer: "There can be two reasons for...

Missing Receptor Molecule Causes Tumor Growth

... further tests that these cells react particularly badly to TRAIL. This proves that the missing receptor and not the missing signal can contribute significantly to tumor growth. Silenced Genes Further tests proved why there was such a small number of receptors. Prof. Krainer: "There can be two reasons for...

Achilles heel of the herpes virus possibly found

...a lifetime. New medicines for herpes infection are badly needed; currently, antiviral drugs can quell symptoms of an outbreak, but not eliminate the virus. And, there's increasing evidence that HSV may damage the nerve cells in which it hides between outbreaks, possibly contributing to neurological disease...

Tsunami-damaged coral reefs should be left to recover naturally, say scientists

...eefs in places such as Thailand and Sri Lanka were badly affected by the tsunami that happened in December last year. The damage was mainly caused by the backwash ?waves returning to the sea that sucked back debris from the shore such as trees, cars, sediment and parts of buildings, which broke and overtur...

Research shows smoking adds a decade to reproductive age of IVF patients

...d 16% of non-smokers. Overweight women also fared badly with a 33% lower chance of a live birth from their first treatment cycle. As with smoking, the unfavourable effect of overweight was largest in women with unexplained subfertility. Only 14% had a live baby compared with over 18% for normal weight and...

Taking the piste out of Alpine vegetation

...oody plants and early-flowering species being most badly affected. Machine grading of ski slopes caused most damage to vegetation, with machine-graded slopes having five times more bare ground than ungraded pistes. And, say the researchers, this damage is long lasting. They found pistes that had been mach...

The secret lives of whales

...amples from whales. “Our goal is to determine how badly contaminated oceanic fish are with persistent organic pollutants (POP’s),?says Payne, “What we are working on may be the worst public health crisis that humanity has ever faced. That’s because 70% of all humanity (4.2 billion people) depends on seafo...

U-M scientist to talk about tissue engineering at AAAS

...s into a damaged area, like a jaw bone damaged too badly to simply heal on its own. A tiny scaffold helps direct the engineered cells to the right place, then dissolves once the cells begin to generate to fill in the wound. "In certain kinds of defects, the body cannot heal itself and the body needs a jum...

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