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Tag: "general" at biology news

Doctors should stop prescribing antibiotics for the common cold, review advises

...he authors, was to determine if antibiotics reduce general cold symptoms such as sneezing, inflammation of th...e the most common reason for new patient visits at general practioners' offices, the review reports, and although the antibiotics do not work for that purpose,...

Researchers devise new technique for creating human stem cells

... need for human oocytes, it demonstrates that this general approach of cell fusion is an interesting one that should be further explored." The researchers also performed fusion experiments using pelvic bone cells as the somatic cells and a different human embryonic cell line, to demonstrate that their techn...

A new molecule discovered in the battle between plants and disease

...ther work on Pep1 and its receptor could lead to a general increase in the resistance of crops to pathogens, which could greatly benefit farmers. Already, the researchers have used the Pep1 gene to increase the resistance of Arabidopsis plants to a fungal pathogen called Pythium irregulare. These findings w...

For first time, brain cells generated in a dish

...rain Institute and senior author of the paper. Its general location was known, but it was an obscure species in a sea of cell types. "We've isolated for the first time what appears to be the true candidate stem cell," said Steindler, a neuroscientist and member of UF's Program of Stem Cell Biology and Regen...

Expanding forests darken the outlook for butterflies, study shows

...ey do prescribed burning in the national parks for general maintenance, but they also do it to increase the meadow areas, which animals such as sheep and elk like to inhabit. The offshoot is that it also helps smaller animals, such as the butterflies," Roland said. ...

Seaweed could make junk food healthier

...: "Bread is probably the best vehicle to reach the general population because most people eat it. Adding the seaweed extract could quadruple the amount of fibre in white bread." ...

Molecular miners find pain relief drugs from the sea

...ins, "It appears that cone snails have adopted the general strategy of including a pain-reducing component among the more lethal components of its venom." "That is, it first pacifies its victim before immobilising and eventually killing it. Witnesses to cone snail envenomation report that death by cone snai...

New bioinformatics technique for systematically analyzing key regions in DNA that help control gene activity

...echnique called rough sets to mathematically model general rules that could associate known binding sites and gene expression in yeast, which is one of the most widely studied organisms." From the analysis of gene activity under a variety of environmental conditions, the teams were able to develop a set of r...

No small feat: First ever gene therapy success for muscular dystrophy achieved

...ssful gene therapy approach that improved both the general health and longevity in mice with congenital muscular dystrophy," said Dr. Xiao. The most common form of CMD, and also one of the most severe, is due to a genetic mutation of laminin alpha-2, a protein that is essential for maintaining the structure...

Methamphetamine Abuse, HIV Infection Cause Changes in Brain Structure

...t, impaired driving performance, and problems with general activities of daily living, such as managing money,?says Dr. Jernigan. “The impact of methamphetamine on daily functioning is less well studied, although it is known that abusers of the drug have impaired decision-making abilities. These could potent...

India's smoking gun: Dino-killing eruptions

...cided with large volcanic events, said Chenet. The general rule is that massive volcanism like the Deccan Traps correlates with all major mass extinctions in Earth's history, she said. "In only one case is there evidence for both volcanism and impact," she said. And that is the K-T mass extinction that ende...

LIAI scientists make major finding on potential smallpox treatment

...cated in the U.S. by 1950 and vaccinations for the general public were ended in 1972. But in the aftermath of 9-11, new concerns have arisen that the smallpox virus could be used as a bioterrorist agent. Disease experts fear that samples of the smallpox virus may have fallen into the hands of terrorists a...

Tropical Deforestation affects rainfall in the U.S. and around the globe

...d on numerical simulations performed with a single general circulation model and that reproducing the experiment with other computer models using different atmospheric variables would be beneficial. Current research is attempting to answer why deforestation has such a major influence on precipitation pattern...

Scientists discover genetic pathway responsible for breast cancer cell growth

...ed on this gene. "The problem with cancer drugs in general has been that they are often untargeted, which is why patients experience side effects," notes Dr. Giguère. "The more focused the drugs the less side effects and the more chance you have to cure the disease." "Research targeting individual molecules...

Agricultural antibiotic use contributes to 'super-bugs' in humans

...als, retail meat and poultry, and within the human general population. This provides evidence that antibiotic resistant bacteria can move between animals and humans. The exact effects of agricultural antibiotic use on human health remain uncertain, they say, despite extensive investigation. "But the effects...

Survey Uncovers Surprising Attitudes Towards HIV Vaccine Research

...ed 18 years of or older randomly selected from the general population. An additional 1,501 U.S. adults interv...f men who have sex with men, and 18 percent of the general population believe that an HIV vaccine already exists but is being kept a secret. * Most subpopu...

How fish hear and make sounds at same time

...ther vertebrates -- including humans -- hear. The general pattern of connections between neurons in the auditory system is the same in all vertebrates, including mammals. While humans hear with the cochlea of the inner ear, the midshipman uses the sacculus, a part of the ear that in humans detects accelerat...

NHGRI expands effort to revolutionize sequencing technologies

...es" The objective of this project is to develop a general utility instrument to provide inexpensive sequencing that can also be used for projects to recognize genome variation. The group will design novel nanopores articulated with probes to sequentially, and directly, identify nucleotides in very long frag...

OHSU researchers discover potential mechanism to repair brain damage linked to Multiple Sclerosis

...d promote the return of myelin-forming cells. This general area of research is of particular interest to me in my attempts to counteract the white matter brain damage that is often associated with premature birth and can lead to a form of cerebral palsy (CP). Our early findings have shown that scar tissue in...

Stolen gene allows insect virus to enter cells

.... Studying baculoviruses also yields insights into general viral behavior. The current study examined how baculoviruses took the evolutionary leap needed to become the nasty bugs they are today. In the study, reported in the July 1 issue of the Journal of Virology, BTI researchers Gary Blissard and Oliver L...

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