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Tag: "not" at biology news

Researchers publish first marsupial genome sequence

...novations leading to the human genome sequence lie not in protein-coding genes, but in areas that until r...rtant it is to understand all of the human genome, not just the fraction that contains genes that code for proteins. We must identify all functional elemen...

Tissue engineered scaffolding allows reproduction of cartilage tissue

...acement tissue wrongly-sized for implantation, did not occur in the study. The scaffolding allowed the newly grown cartilage to maintain its volume during cultivation and post-procedure. "The cell-derived scaffold could provide a favorable environment for cartilage cells to maintain their characteris...

Dealing deadly cancers a knockout punch

...mits these approaches. Since reovirus typically is not pathogenic in humans nor associated with severe to...city in clinical studies, its co-administration is not expected to increase a treatment's overall toxicity. Dual Mechanism Reovirus works by enterin...

Study offers clues to 'Broken Heart Syndrome'

... has clogged arteries or unstable plaques that are not visible on coronary angiography. These findings will help guide long-term treatment. "Because we don't yet know what causes this phenomenon, we don't know what the best long-term management should include," he said. "As we gather more information...

HIV survival improves if patients stay in care

People with HIV who drop out of care do not live as long as those who remain under a doctor's treatment, said Baylor College of Medicine and Veterans Affairs researchers in a report published in the June 1 issue of Clinical Infectious Diseases and available on line. "In an era when highly ac...

High-dose anticlotting drug cuts heart attack, death risk in half

...g, or thrombosis. In addition, the higher dose did not increase the risk of serious bleeding. "This research has important clinical and cost implications," said Giuseppe G. Biondi-Zoccai, M.D., an assistant professor of cardiology at the University of Turin, in Turin, Italy. "The goal of antithromboti...

Magnetic computer sensors may help study biomolecules

...NIST experiments demonstrated that the spin valves not only can trap magnetic particles, but also can be used as the pivot point for rotating strands of particles when a rotating magnetic field is applied. According to the researchers, these experimental results, combined with computer modeling, suggest ...

Confirmed -- deforestation plays critical climate change role

...Amazon and Indonesia as carbon sinks, that they do not release the carbon back into the atmosphere as has been suggested," Dr Canadell says. "However, it also demonstrates the need to avoid higher levels of global warming, which could slow the ability of forests to accumulate carbon." He says that wh...

DOE JGI sets 'gold standard' for metagenomic data analysis

...high-throughput metagenome analysis. And last, but not least, it will stimulate the development of new co...fragments. On many occasions, this information is not taken into account, depriving the analysis of valuable information embedded in that sequence. The...

Researchers attach genes to minichromosomes in maize

...y advances could be done in agriculture that would not otherwise be possible, from improved crops to inexpensive pharmaceutical production to other applications in biotechnology,?said Birchler, professor of biological sciences in the MU College of Arts and Science. A minichromosome is an extremely sma...

Parasites' impact goes beyond host to affect ecosystem

...rtidal zone of the North Atlantic, is that you may not be infected by a parasite. But the better news is,...g/papbyrecent.shtml ), suggests that parasites can not only substantially affect their hosts ?altering their growth, behavior, nutritional status, reproduc...

DNA-damage test could aid drug development

...n assay that directly predicts toxicity in humans, not animals, and you could obtain human bone marrow that's left over from medical procedures." "If you could change the micronucleus assay to have a human cell readout, that would be pretty amazing," says Samson. Down the road, she suggests, such a te...

100 percent of pregnant women have at least one kind of pesticide in their placenta

...he baby" According to María José López, "we do not really know the consequences of exposure to disruptive pesticides in children, but we can predict that they may have serious effects, since this placenta exposure occurs at key moments of the embryo’s development". The research group to which Marí...

Asexual worm quickly adapts to soil contamination

...rtant cause of stress in natural populations. This not only has consequences for the size, dynamics and structure of the population but it can also lead to genetic changes and adaptations. Doroszuk investigated the long-term effects of pollution on the bacteria-eating nematode Acrobeloides nanus. This as...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

..., and how does the immune system know that you are not sleeping properly"" said Schneider. "How do those ...t better when sleep is disrupted, although clearly not the two microbes they tested in the current study. "We think that is the reason flies do this," said...

Female-led infanticide in wild chimpanzees

...ire in chimpanzees. What drives the behavior is not yet clear, but may stem from demographic shifts th... of infanticide indicate that deadly aggression is not a gender-specific trait in this species. ...

Thymus transplants gives hope to babies with fatal immune disease

... deaths were caused by various infections and were not a result of the surgery itself, she said. "Thes...wasn't for Dr. Markert and her team, my baby would not be here right now," Harding said. "They really fought for my baby to get the transplant." Whether...

Heavy multivitamin use may be linked to advanced prostate cancer

While regular multivitamin use is not linked with early or localized prostate cancer, ta...than seven times a week, compared with men who did not use multivitamins. The association was strongest in men with a family history of prostate cancer and...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...in from vocalizing while hunting so that prey will not be alerted to their presence. When they begin fee...est that more feeding occurred at night when it is not possible to observe them visually. This acoustic information is a valuable supplement to traditional...

Spud origin controversy solved

.... “The results of these studies are of interest not only to evolutionists but also for breeders. Years of effort were made to artificially recreate the European potato from Andean landraces yet it may have originated from Chile,?said Spooner. “If the true origin of the European potato was from Chile, ...

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