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Tag: "describe" at biology news

Modeling the restless brain

...xtensive anatomical and physiological data sets to describe the macacque's brain, allowed Sporns and Honey to collect data on all the activity that occurred during their simulations. Sporns said he wants to create a similar large-scale computer model of the human brain that will allow them to study larger...

Largest synthetic gene ever built offers insights into anti-malarial drug resistance

... from malaria. Earlier this year, they also helped describe how the gene PfNHE likely contributes, and this turns out not to be as vital as PfCRT. Now, based in part on this study, they know that PfMDR1 is dependent on mutated PfCRT, and probably doesn't act independently. "The contribution of PfMDR1 to a...

In mice, drug protects against diabetes and atherosclerosis

...ers from HSPH, Bristol-Myers Squibb, and elsewhere describe how a designer compound mimics many of these protective effects in mice, conferring substantial immunity to diabetes, heart disease, and other metabolic problems. This immunity takes place even if the animals are severely obese or have high amounts o...

Brightening prospects of using fluorescent nanotubes in medical applications

...l of the American Chemical Society on June 7, they describe a method that can successfully produce large batches of highly fluorescent nanotubes. “Nanotubes have a number of characteristics that make them particularly suitable for use as contrast agents in cells and tissues,” says Tobias Hertel, the associ...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...hich you also need to be red.” McGraw and Ardia describe their findings in “Do carotenoids buffer testosterone-induced immunosupression" An experimental test in a colorful songbird,” in the current issue (June 6, 2007) of Biology Letters, a journal of the Royal Society, London. The researchers experime...

Fat fish put obesity on the hook

...2007 print issue of The FASEB Journal, researchers describe the first genetic model of obesity in a fish. Having this model should greatly accelerate the development of new drugs to help people lose weight and keep it off. According to corresponding author Roger Cone, “Being able to model human disorders lik...

Scientists discover 5 new species of sea slugs from the Tropical Eastern Pacific

... the Natural History Museum of Los Angeles County, describe five newly discovered species of nudibranchs, two of which Hermosillo collected in Panama, in Volume 22 of the American Malacological Bulletin. __IMAGE_2 Nudibranchs—a group of mollusks lacking outer shells—have developed sophisticated chemical d...

How to look at dinosaur tracks

...l.? With this in mind, Milàn and Loope sought to describe and categorize different levels of preservation. For example, dinosaur tracks may still exist as true tracks, that is, the original prints left in the ground by the dinosaur. True tracks preserve many of the anatomical details of the foot, such as nu...

Ecology in an era of globalization

... Jorge Durand (Universidad de Guadalajara, Mexico) describe the impacts of human migration and population grow...in the context of globalization." The researchers describe the economic, environmental and social factors that will play a major role in the future of ecosyste...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...ts. PROGRAM HIGHLIGHTS The following items describe some highlights from among the many papers being g...a State University ( u-hansen@indstate.edu ) will describe the basic science of each instrument family: strings, brasses, woodwinds, piano and percussion. Orch...

From the deep -- Researchers find new species of sea anemone

...a Gusmão, a doctoral student in Daly's laboratory, describe A. pearseae in detail in a recent issue of the Journal of Natural History. The two assigned the anemone to the genus Anthosactis primarily due to the roughly uniform length of A. pearseae's tentacles ?a characteristic common to this group of about se...

Scientists discover new life in the Antarctic deep sea

...orting this week in the journal Nature, scientists describe how creatures in the deeper parts of the Southern Ocean - the source for much of the deep water in the world ocean ?are likely to be related to animals living in both the adjacent shallower waters and in other parts of the deep ocean. A key quest...

Uniform language for describing genes of pathogenic and beneficial microbes

...unced a major expansion of a lingua franca used to describe the activities of genes in living organisms. The ...xpansion provides terms that scientists can use to describe the complex events that occur when a pathogenic or beneficial microbe encounters its host. Understan...

Deconstructing brain wiring, one neuron at a time

...rch 1 issue of the journal Neuron, the researchers describe how they modified the deadly rabies virus, turning it into a tool that can cross the synaptic space of a targeted nerve cell just once to identify all the neurons to which it is directly connected. "We've wanted to do this for a very long time a...

Researchers wake up viruses inside tumors to image and then destroy cancers

...ncologists from Johns Hopkins Medical Institutions describe how they used two agents already on the market ?one of which is the multiple myeloma drug Velcade ?to light up tumor viruses on a gamma camera. The technique is the first in the new field of in vivo molecular-genetic imaging that doesn't require tran...

Researchers develop marker that identifies energy-producing centers in nerve cells

... in various neurological diseases. The researchers describe how this marker works in mice in the December 20, 2006, issue of The Journal of Neuroscience. The marker gives scientists the first-ever opportunity to distinguish between energy-producing structures, called mitochondria, in neurons, from mitochondr...

2 brains -- 1 thought

...Göttingen, have developed a mathematical method to describe the set of all networks that exhibit a given dynamics. With this, they provide researchers with a tool which can be used to investigate the correlation between structure and function of a neuronal network. A common approach in scientific research ...

Ancient genes used to produce salt-tolerant wheat

...lished in the journal Plant Physiology researchers describe the two genes -- known as Nax1 and Nax2. The genes work by excluding salt from different parts of the plant: one from the roots, the other from the leaves. The discovery of the two genes is the subject of international patents. "The two genes orig...

UC Davis researchers use heated nanoprobes to destroy breast cancer cells in mice

...age to surrounding healthy tissue. The researchers describe their work in the March issue of the Journal of Nuclear Medicine. "We have demonstrated that the system is feasible in laboratory mice. The next step will be clinical testing in patients," said Sally DeNardo, a professor of internal medicine and rad...

Mine runoff continues to provide clues to microbial diversification

...at paper, Banfield, Hettich and colleagues at ORNL describe the bacterial community that thrives in what amounts to sulfuric acid. Their work set the stage for the latest development because it provided the first large-scale proteome dataset for a real-life microbial community with a limited number of members...

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