Tag: "explain" at biology news

Student science contest participation influences study, career choices, alumni say

... both the lab skills from professionals and how to explain her project and the science behind it to people who didn't have a technical background are among two of the important lessons she received. Her ABC experience also ignited an interest in medical research that has taken Desbiens to graduate...

Researchers determine genetic cause of Timothy syndrome

...ow at the appropriate time. This abnormality could explain the lethal cardiac arrhythmias in Timothy syndrome patients, said Keating. Further genetic analyses of the particular mutation also showed why it occurred in the same place in all instances of the disease. That analysis revealed that the pa...

Molecular motor implicated in tissue remodeling

...revealed by Goldberg and his colleagues might help explain how the enzymes that digest collagen serve constructive purposes. "The enzymes aren't loose and disorganized where they would just end up destroying the matrix," Goldberg states. "By mechanisms that we are exploring further, they create a relation be...

Scientists sequence genome of kind of organism central to biosphere's carbon cycle

...l pathways they use to metabolize their fats helps explain the ability of diatoms to withstand long periods with little sunlight even to overwinter and then start growing really rapidly once they return to sunlight," she says. Three or four microns in width as many as 70 could fit in the width of a human...

Cancer vaccine based on pathogenic listeria bacteria shows promise targeting metastases

...nduce the production of beta-interferon, which may explain this effect. "The unique ability of listeria to get into the cytosol is the key to its effectiveness," Cook added. "Listeria not only stimulates this additional innate immune response, but it also puts the antigen into exactly the pathway we want and...

Study: Emission of smog ingredients from trees is increasing rapidly

... to go in there with the rest." The study may help explain why ozone levels have not improved in some parts of the country as much as was anticipated with the enactment of clean-air laws, Purves said. Environmental technologies such as catalytic converters and hoses that collect fumes at gas pumps have subst...

Veterans with Gulf War syndrome have damage in specific, primitive portion of nervous system

... to increase at night in ill Gulf War veterans may explain their unrefreshing sleep." The tests were conducted on 40 members of a Naval Reserve construction battalion, also known as Seabees. Both ill and healthy veterans from the same battalion were tested for comparison. In addition, pure s...

Spun from bone

...at interacts with the enamel crystals. The results explain how 100 nanometer spheres of amelogenin cluster like bowling balls around developing enamel crystals, forcing the crystals to elongate into thin, weaved strands that endow enamel with the strength of steel. The discovery is a milestone for those who...

New fossil sheds light on old mystery

...d fossil of a newly discovered reptile species may explain the function of the extremely long neck for which some protorosaurs are known a feature that has puzzled scientists for decades. The Protorosauria is an order of diverse predatory reptiles that lived as far back as 280 million years ago. Scientist...

Economy of movement

...e case on the mysteries of movement, it could help explain why we settle for a particular, non-silly walk. ...

Scientists decipher genetic code of biothreat pathogen

...of virulence genes and an unstable genome that may explain the bacterium's ability to thwart the immune respo...ion of virulence genes and genomic instability may explain why some scientists consider this to be the ultimate bacterial pathogen," says William Nierman, the ...

Amyloid fibers sprout one step at a time

...abs, however, revealed that this process could not explain amyloid formation. Amyloid formation was also associated with the transient accumulation of intermediate molecules that have been implicated in causing disease. "The process of forming amyloids seems to be implicated in disease perhaps as much as th...

Cockroach-like robot leads new research effort

... to muscles to the skeleton to the whole body, can explain the control that makes movement possible. You have so many nerves and so many muscles, how in the world do you actually move forward?" Researchers from UC Berkeley, the University of Michigan, Princeton University, Cornell University and Montana ...

NSF announces six 'FIBR' awards to tackle some of biology's most challenging questions

...sms adapt to these newly acquired genes. To explain the complex signals and feedbacks among neurons, muscles, the skeleton and the whole body that make movement possible and prevent animals from falling over, another project will take a multidisciplinary approach to the study of live, simulated and ro...

Human chromosome 5 final sequence analysis released to public

...cated region on chromosome 5 could eventually help explain how spinal muscular dystrophy is inherited. Researchers had known that deletions in the gene for survival of motor neurons, (SMN) caused the disease, but people with the same deletion can have much more or less severe forms of the disease. It turns o...

Cell's gatekeeper for ammonia revealed in unprecedented detail

... the channel architecture is also expected to help explain how ammonia, carbon dioxide and other gases are taken in, transported between cells and excreted, the scientists said. The issue of Science also includes a "Perspective" article about the significance of determining the structure and its likely mode ...

Researchers discover why mutant gene causes colon cancer

...pt. 9 in the Journal of Biological Chemistry, they explain that APC controls the conversion of dietary vitamin A into retinoic acid. If this process is impaired, colon cancer can result. "For a long time, scientists believed they knew what the APC gene did that it regulated cell growth and division bu...

Adaptive changes in the genome may provide insight into the genetics of complex disease

...for the actionof natural selection, which may help explain why certain people are at riskfor a variety of con...y gene hypothesis' that was originally proposed to explain the highprevalence of Type 2 diabetes. The thrifty gene hypothesis argues thatgenetic variation tha...

New genetic hypothesis for the cause of autism

...ly and more speculatively, we propose that it will explain the majority of cases of autism." The oligogenic model does not entirely rule an environmental role in autism. "The epigenetic component of the oligogenic model can be considered in the context of possible environmental factors affecting the risk of...

A new protein is discovered to play a key role in cancer progression

...ed in the September 9 issue of the journal Nature, explain the link between these two proteins in the development of cancer and suggest that restoring their activity may provide a possible cancer treatment. "Through our discovery of the biologic function of PML and its essential role in maintaining TGF-b si...

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