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Tag: "focused" at biology news

Shutting down the HIV assembly line

...n infectious viral particle." Spearman's team has focused on a protein called "Gag," the major HIV structura... that Gag is present in the late endosome and have focused on particle assembly at that point, none have tackled how the Gag protein gets there in the first pl...

Undesirable expatriates: Preventing the spread of invasive animals

...en Europe and North America. Jeschke comments, "We focused our study on larger vertebrates because there are better historical records about their introductions, which were often done purposefully for human use." While motivations vary-- some animals make great pets, others have valuable pelts-- humans have...

A little stress gives beneficial oomph! to immune system

...the immune system. While Dhabhar and his team have focused on the effects of acute stressors, other researchers have found that chronic stress may substantively weaken the immune system. Leukocytes are always present in the body, but most remain dormant until an immune response is activated by wounding or i...

Supercomputers to focus brains on AIDS dilemma

...ations by McCammon's group. These simulations have focused on the catalytic domain of HIV-1 integrase, and relied on the large-scale computational resources of the San Diego Supercomputer Center (SDSC) at UC San Diego. In 1999, related results from traditional x-ray crystallography studies of the structure o...

Brain May Be Less Plastic Than Hoped

...tivity. With the monkey's eyes held open, the team focused various grid and circle patterns on the animal's retina, centered on the fovea—a small depression in the retina where vision is most acute—and covering the blind spot. They made baseline measurements of the cortical quiet zone two to three hours afte...

Finding hidden invaders in a Hawaiian rain forest

..., Carnegie's ecological remote sensing program has focused on the area as the ideal outdoor research laboratory for devising the next generation of aircraft and spacecraft observations. Now we've added a major focus on the application of our techniques to invasive species problems in the Hawaiian Islands. It...

A New Species of Monkey is Discovered in Tanzania: The First in Africa for More Than 20 Years

...st Dr. Carolyn Ehardt’s research project, which is focused on conservation of the critically endangered Sanje mangabey endemic to these mountains. First sighted by Richard Laizzer and observed by research biologist Trevor Jones, while working as field assistants for the project, the monkey was then identifi...

Breakthrough isolating embryo-quality stem cells from blood

...ol known as optical tweezers in which the light is focused to a sharp point to grab hold of a cell. In contrast, the optical stretcher uses un-focused light. This allows laser beams strong enough to detect stretching to be used without killing the cell. According to Dr Michael Watts, an expert in haematolog...

Mouse with designer liver has enhanced glucose tolerance, insulin response

...rnham Institute's Signal Transduction Program, has focused his efforts on a recently discovered protein called Gab1. Gab1 has a structure that is similar to other proteins in a family known as Insulin Receptor-Signaling, or IRS, proteins. IRS proteins relay signals initiated by insulin receptors and thus pla...

Gov't Creates Gene Database of Normal Human Tissues

...provide scientists studying and treating NB with a focused set of genes to explore. ...

Where bacteria get their genes

...d from its parent. In their study, the scientists focused on the best-studied group of bacteria, the Gamma-Proteobacteria. It includes many human pathogens, including Salmonella, Shigella, pathogenic E. coli, and Pseudomonas. Ochman's team compared the bacterial species by analyzing their genomic sequence ...

Owl genomics presents a HEPATOCHIP for diagnosis of non-alcoholic steatohepatitis

...H treatment. ### OWL Genomics, a biotech company focused on providing leading-edge applications in human health with innovative and pioneer technologies within the international scientific community, provides the first product in early diagnosis and therapeutic targets in hepatic diseases. OWL Genomics is...

Alcohol consumption disrupts breastfeeding hormones

...nell has been the nation's leading research center focused on understanding the senses of smell, taste and chemical irritation: how they function and affect our lives, from before birth through old age. Using a multidisciplinary approach, scientists collaborate in the areas of: sensation and perception, neur...

Scientists identify genes responsible for 'black rot' disease in vegetables

...nese National Human Genome Center at Beijing) have focused their efforts on characterizing the genes responsible for Xcc pathogenicity. In their study published today, the investigators describe the identification of 75 different genes responsible for Xcc virulence. These genes appear to belong to 13 differe...

Venom doc tracks down snake bioweapons

...es that his findings will further research efforts focused on the use of snake toxins for therapy and treatment of diseases, including cancer, arthritis, and heart disease. "There is something peculiarly fascinating in the use of a deadly toxin as a life-saving medicine," Fry says. "The natural pharmacology ...

Pair of cancer genes found to drive both cell migration and division

...mselves. "Scientists studying cell migration have focused on the front of the cell and what drives it, while cell division researchers have concentrated on the furrow within the dividing cell," says Devreotes. "But we've found that when you look at the whole cell, there are a lot of similarities between div...

15 generations of untrained jocks, couch potatoes show big physiological adaptations

...o your genes. Exercise research traditionally has focused on the effects of training, rather than underlying genetic mechanisms. But physiologists wondered what would happen if they took a single strain of rats ?meaning they all had the same basic genetic background ?and bred two separate lines purely on th...

Leprosy genome tells story of human migrations, French researchers report in Science

...til the samples were large enough to analyze. They focused on genetic sequences known to be dynamic -- to move around, copy themselves or disappear -- and thus most likely to reflect evolutionary change, but found strikingly little variation. Next, the researchers looked for mutations known as "single nucle...

$5.1 billion would save 6 million children

...f death in children younger than age 5 years. They focused on preventive interventions that could be put in place during 18 visits with a primary care provider from one month before birth until the child reaches age five. In their cost analysis, the researchers also ensured that treatment for the major cause...

Protein synthesis can be controlled by light, opening way for new scientific, medical applications

...n in a living system. While previous studies have focused on releasing molecules that activate biological events, little has been done in the area of regulating the inhibition of biological processes. "Ultimately, we want to understand the role local protein synthesis plays in biological systems such as ne...

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