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Tag: "fully" at biology news

Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps

...ted genes, as well as genes with functions not yet fully known. In addition to comparing the rhesus with the chimp and human genomes, the group also studied genetic variation in macaque populations, and developed a set of 'single nucleotide polymorphisms' or SNPs (single base DNA differences) that can ...

Shedding new light on proteorhodopsin

...of it like a capacitor. If a capacitor is already fully charged and you connect a battery to it nothing happens. However, if you drain the capacitor and then connect a battery, a current will flow." To observe proteorhodopsin in action and measure its effects, Liphardt and his co-authors genetically e...

Researchers discover gene crucial for nerve cell insulation

...nsin. Until this discovery, researchers did not fully understand the complex genetic process that enables Schwann cells, found in the peripheral nervous system, to coat nerves with myelin. The Newly Discovered Role of EGR2 During this study, the scientists found that EGR2 produces a protein that...

Darwin's famous finches and Venter's marine microbes

... of sequences now, but it may be decades before we fully understand it all." Just like the famous ornithologist John Gould who had to classify the Galápagos finches before they led Darwin on the right track, Manning and many others have been busy during the last couple of months wading through roughly 7...

Ancient amphibians evolved a bite before migrating to dry land

...ibians evolved a bite before emerging onto land as fully terrestrial animals." ...

Breakthrough in understanding type-2 diabetes as key genes identified

...d in our work more intensively, to understand more fully the disease processes involved, devise therapies for those affected and to try to prevent future cases," he added. ...

Carnegie Mellon University research shows how sensory-deprived brain compensates

...the other side. "These findings show us that a fully functioning set of whiskers on one side of the body dramatically inhibits the ability of a single whisker to remodel the brain," said Barth. "This finding suggests that we could boost the brain's plasticity if we 'turn off' sensory input from the opp...

Biologists prove critical step in membrane fusion

...induced to hemifuse with target cells ?rather than fully fuse ?there is the potential to control the timing of drug delivery. ...

A case of mistaken identity for the ivory-billed woodpecker?

...ludes that Luneau's video shows a bird that is not fully identified, and probably a Pileated Woodpecker. His analysis of the fresh Pileated Woodpecker video footage showed that its wings did reach 8.6 beats per second during an escape flight. He also found that as Pileated Woodpeckers fly away from the cam...

Scientists find new genetic clue to cause of Alzheimer's disease

...nal public and private organizations. "We do not fully understand what causes Alzheimer's disease, but we know that genetic factors can play a role," says NIA director Richard J. Hodes, M.D. "Scientists have previously identified three genes, variants of which can cause early onset Alzheimer's, and one t...

Some caterpillers just don't want to grow up

...available data, the effect seems to be too weak to fully explain the large proportion of caterpillars delaying development. Based on a simple model expansion, the scientists predict that added benefits achieved by slow-developers after emergence would also tip the balance in favor of slow development. It i...

Discovery of an HIV inhibitor in human blood points to new drug class

...eveal a new target for inhibiting HIV that remains fully active against viral strains that are resistant to other drugs," said study author Frank Kirchhoff of the University of Ulm in Germany. "That's a big advantage." Kirchhoff's group also provided evidence that HIV-1 does not easily develop resistanc...

Study uncovers a lethal secret of 1918 influenza virus

...e genetics process that enables scientists to make fully functioning viruses. "In 1918, the existence of viruses had barely been recognized. In fact, the influenza virus wasn't identified until 1933. Thanks to recent technological advancements, we are now able to study this virus and how it wreaked hav...

Scientists unlock mystery of embryonic stem cell signaling pathway

...ignals the cells to keep dividing and to remain as fully potent stem cells. “This way, you can essentially maintain the stem cell’s growth and potency for as long as you want,?Kahn says. The studies of IQ-1 and its effects reported in the newly published PNAS paper were performed at the University of Washi...

Active ingredient in common Chinese herb shown to reduce hypertension

...ne IIA or danshen work in hypertension are not yet fully understood, these results contribute to the effort to bring complementary and alternative medicine and allopathic care closer together in the treatment of hypertensive patients. ...

Antibody signal may redirect inflammation to fuel cancer

...onse can drive some precancerous tissues to become fully malignant, UCSF scientists report discovering an apparent trigger to this potentially deadly process. Typically, the "innate" immune system's Pac-Man-like white blood cells, or leukocytes, engulf and destroy invading microbes when receptors on thei...

Bird sex is something else

...ppears that most genes on the Z chromosome are not fully dosage-compensated, at least at the transcriptional level. The study challenges current thinking about the role and mechanisms of dosage compensation in species with heteromorphic sex chromosomes. "Unlike mammals, birds have an ineffective dosage ...

A steady, high-fat diet is bad, but the news gets worse

...-fat meal is unhealthy, more research is needed to fully understand how the mechanisms work. "Telling people to never eat something is probably not a good way to promote a better diet," he says. "At the same time we do have an epidemic of obesity in North America and it’s important that people try to make ...

Tears reveal some of their deepest secrets to researchers

...film," said Nichols, adding that researchers don't fully understand the function of oleamide, or the other lipids in the meibum. "Oleamide appears to be a predominate lipid in tear film," she said. "It's there for a reason, but we're not sure yet what that reason is." Nichols and her team are current...

Novel computed imaging technique uses blurry images to enhance view

...re blurry, ISAM descrambles the light to produce a fully focused, three-dimensional image." ISAM effectively extends the region of the image that is in focus, using information that was discarded in the past. "We have demonstrated that the discarded information can be computationally reconstructed to q...

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